2919 jobs found

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes - 4/5 days weekly onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £87,200 DOE + bonus scheme Come and put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Role description: You will develop innovative solutions to complex and emerging technical challenges within advanced radar systems, applying broad systems engineering expertise to guide design, resolve issues and ensure technical rigour. Your role includes performing detailed system analysis , managing design trade offs and leading the decomposition and governance of requirements using approved toolsets such as IBM DOORS Next. Acting as a central technical authority, you will drive system level decision making, lead analytical activities and mentor team members while collaborating with multidisciplinary specialists to shape integrated design solutions. You will also direct system integration, oversee test planning and execution, and define acceptance strategies that clearly demonstrate system performance across diverse operational scenarios to stakeholders. Core duties: Developing novel solutions to evolving technical challenges and emerging issues for complex Radar Systems that our customers and end-user communities are facing Applying a breadth of knowledge, skills and experience of Systems Engineering principles , techniques and governance to steer and develop technical solutions and resolve engineering issues Conducting system design analysis to manage trade-offs of system parameters to characterise and specify robust product design Leading the decomposition of requirements to system and sub-system level and manage these in an approved toolset such as IBM DOORS Next Be a technical focus point with a holistic understanding of the system solution, leading analysis activities and system design decisions and providing guidance to own team Collaborating with specialists across different engineering disciplines including electronics, electrical, mechanical, software and radar subject matter experts to direct and realise overarching system design solutions Directing and undertaking system integration, test planning and execution Defining and articulating system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Essential skills: Experience of systems design, integration & test An understanding of Systems and Product lifecycles from concept through to delivery An understanding of a range of Engineering disciplines (Software, Mechanical, Electrical) An understanding of Radar Systems is desirable, although not essential if other complementary skills demonstrate a capacity to understand new technologies quickly and effectively Good inter-personal skills with the ability to communicate to all levels within the organisation and externally Experience of presenting both technical and non-technical information in a formal setting Degree (or equivalent) qualified in an engineering or science discipline The Radar Systems Engineering team: You will be working as a Principal Systems Engineer within our close-knit multi-function radar team of inter-disciplinary engineers, evolving our radar portfolio of existing and brand-new radar products to address emerging and future threats. Join us and help shape the future of Radar technology! Our workplace in Cowes is an easily accessible commute from Southampton with a regular foot passenger ferry and BAE shuttle service from the ferry terminal to site. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 17th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Portsmouth Naval Base - On site Salary: Up to £58,000 depending on skills and experience + 10% bonus Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: In this position you will be applying Systems Thinking to understand the wider problem space, manage constraints and emergent behaviours, and balance key trade offs while shaping Architecture & Interfaces that define how systems work and interact. You will deliver strong Requirements Leadership and Management by capturing, decomposing and agreeing requirements, maintaining traceability and managing change. The role will champion Model Based Systems Engineering (MBSE) by modelling system behaviour, structure and interfaces, ensuring modelling standards are followed, and generating controlled outputs that support design, verification and validation. In addition, you will also apply Problem Decomposition & Complexity Management to break down multi domain challenges , visualise dependencies and maintain structured decision records throughout delivery. You will contribute to Lifecycle Delivery & Systems Integration by tailoring lifecycle processes, planning integration when required, and preparing for design and test reviews. Service Hub Collaboration will be a requirement, involving close engagement with Asset Management Service Hubs to tailor and deliver systems engineering capabilities and services. Through strong Technical Expertise & Leadership , you will lead reviews, manage risks and issues, ensure governance and safety expectations are met, and deliver work packages to cost, schedule and quality. You will also mentor and coach engineers, promote systems engineering best practices and exemplify BAE Systems behaviours and ways of working. Essential skills: You'll have strong experience of applying systems engineering across the lifecycle, including requirements management , architecture definition, integration, MBSE and V&V You'll have experience of using high level design methodologies and architectures (e.g. UAF, NAF, TOGAF, SysML, UML) and practical capability in MBSE, using tools such as Enterprise Architect to model system behaviour, structure and interfaces. Additionally, you will have experience using requirements and interface management toolsets (e.g., DOORS), maintaining traceability and controlling system interfaces You'll have knowledge of applying Systems Engineering standards and principles including ISO 15288 You'll have exposure to system integration and verification activities to ensure functional and performance needs are met You will be Degree level qualified (or have equivalent experience) in a STEM or systems related discipline, with desirable awareness of maritime or ship systems. You must be working towards CEng or operating at that level of capability The BAE Systems Warship Technical Authority Hub: This position sits within the Systems Engineering Hub, which is part of the Warship Technical Authority (WTA) Service Hub. The WTA aims to deliver Naval whole ship, systems and equipment engineering support and change management . The position will be part of a high performing Systems Engineering team, which works across the Maritime and Land Defence Solutions business unit. They will be required to lead and manage the delivery of on-going contracted workstreams and deliver tailored systems engineering services to the Asset Management Service Hubs, which comprises of warship Platform Management , Maintenance Management , Supply Chain, Data and Digital Services. The Principal Systems Engineer provides technical leadership , acts as a technical authority within their scope, engages with customers and suppliers, and mentors engineers to build capability across projects and teams. As a Principal Systems Engineer you will support the delivery of one or more of the core WTA service elements; Design Change Management , Platform Technical Assurance, Material State Management , Obsolescence Management , Specialist Engineering Support, Future Support and Transformation Planning. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 14th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Cowes, Broad Oak, Great Baddow, onsite We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £75,900 (dependent on skills and experience) Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. Job Description: You will develop innovative solutions to evolving technical inquires across multi-layered radar systems, addressing the needs of customers and end users. Using broad systems engineering knowledge, techniques, and governance, you will guide technical decision making and resolve engineering issues effectively. You will perform system design analysis , balancing system parameters to define robust product designs. You will also support the decomposition of requirements into system and sub system levels, guiding these within approved toolsets such as IBM DOORS Next to ensure clarity, traceability, and consistent delivery. Core duties: Be a technical focus point with a holistic understanding of a whole system solution leading analysis activities and system design decisions and providing guidance to own team Collaborate with specialists across different engineering disciplines including electronics, electrical, mechanical and software to direct and realise overarching system design solutions Direct and undertake system integration, test planning and execution Define and articulate system acceptance strategies and acceptance evidence demonstrating system performance across a wide range of operational scenarios to internal and external stakeholders Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Essential Skills: A good understanding in some of the following subject areas; signal processing, target track extraction, object classification algorithms, system and sensor resource optimisation A good understanding of factors that can affect the real-world performance of sensing systems and how these can impact the accuracy and timeliness of measurements in order to meet challenging design objectives and requirements Demonstrates understanding and experience of Systems Engineering which could include knowledge of Systems Engineering standards (e.g., ISO 15288) Experience of presenting both technical and non-technical information in a formal setting The Radar Systems Engineering team: You'll join a close knit, multi function radar team, working with interdisciplinary engineers to evolve our portfolio of existing and next generation radar products that address emerging threats. This is an opportunity to grow your experience in advanced radar techniques while developing your technical skills within a global organisation. Our Cowes site offers flexible and hybrid working arrangements, supported by convenient transport links from Southampton, including a frequent foot passenger ferry and BAE shuttle service. With adaptable working hours and options for part time or adjusted start/finish times, you can balance on site collaboration with life at home. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 8th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.