227 jobs found

My client is a principal organisation in the defence sector and successful applicants will have to pass Developed Vetting (DV) Security Clearance to undertake the role. We are recruiting Software Engineers to support a range of Defence, Cyber, and Intelligence programmes at our Gloucester site. These roles offer the opportunity to create an impact working on innovative projects while maintaining a strong work-life balance through flexible working options. This position can involve a variety of software development specialisms. You may focus on one area or work across multiple development disciplines, particularly within the Cyber domain. In this role, you may be involved in software development activities under guidance from a Software Engineering Lead, designing and developing tests to debug software, working with customer requirements to build mission and business applications, correcting program errors, preparing operating instructions, documenting development work, analysing system capabilities, and supporting automation efforts such as infrastructure-as-code, CI/CD, and automated testing. As a Software Engineer, you will be working with modern DevSecOps systems and contributing to the development of advanced, secure applications that support critical national capabilities. We are looking for individuals who are passionate about software engineering and eager to grow their careers in a forward-thinking technical environment. Required experience includes proficiency in modern Java and ideally some experience with other languages such as Python, C++, JavaScript or TypeScript. Experience developing on Linux, understanding mocking and unit-testing frameworks such as JUnit, and using Git version control are important. You should have knowledge of Agile development using Scrum, an understanding of relational or document databases such as Oracle or Mongo, experience with GitLab CI/CD pipelines, familiarity with the Atlassian suite, and knowledge of Elasticsearch, Kibana, and Hibernate. Desired skills include experience building software for cloud environments such as AWS, developing microservice or serverless architectures, understanding cloud CI/CD pipelines, and knowledge of AWS services such as EC2, EKS, Fargate, IAM, S3 and Lambda. Professional certifications such as Oracle Java Certification, AWS Certification, ISTQB, OSCP or CCNA are advantageous. We welcome applications from candidates with a wide range of backgrounds and experiences. Adjustments can be provided on request throughout the application and interview process. If you are enthusiastic about contributing to cutting-edge software engineering and ready to take on a new challenge, we would love to hear from you.

Job Title: Principal Systems Engineer Location: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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: Coventry. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Negotiable, depending on experience What you'll be doing: We are looking for a wide range of experience within Systems Engineering to work on existing and future Submarine programmes, the role may involve: Working across a number of areas of the Engineering V-lifecycle in the concepts, architecture, design and development of Submarines and associated complex, software intensive, systems Working across several areas of the Engineering V-lifecycle in the qualification, integration and acceptance of sub-systems, systems and systems of systems Delivering transformational programmes on day-to-day Systems Engineering frameworks and modernisation of systems engineering ways of working Your skills and experiences: Essential: Knowledge and experience of Systems Engineering principles and processes Knowledge and experience of the Engineering V-lifecycle Desirable: STEM related degree or previous experience in submarines, nuclear or other highly regulated environment Experience with Model Based Systems Engineering principles and processes Knowledge or awareness of ISO15288 Requirements Management and evidence gathering experience Enterprise architecture experience Systems Architecture experience Systems / product integration, verification and validation experience Systems / product qualification and acceptance experience Systems engineering management / leadership experience Systems engineering toolset experience such as DOORS, Cameo, Enterprise Architect etc. Benefits: You'll receive benefits including a competitive pension scheme, enhanced annual leave allowance and a Company contributed Share Incentive Plan. You'll also have access to additional benefits such as flexible working, an employee assistance programme, Cycle2work and employee discounts - you may also be eligible for an annual incentive. The Engineering Team: To support our ongoing need to recruit the best engineering talent, BAE Systems Submarines has recently opened a brand-new office in Coventry. BAE Systems Submarines is experiencing a period of significant growth, and we are now actively recruiting a variety of roles and specialisms to support our ongoing submarines programs which is critical to delivering our national endeavour. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 24 th December 2025 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, Chelmsford - Great Baddow or Portsmouth - BroadOak Salary: Up to £75,900 commensurate with skills and experience. Part time & accruing hours available. Part time & accruing hours available' Please let us know if you would like to discuss these options. 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 contribution 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. What you'll be doing: 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 a whole 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 and software 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 Through these activities you will build your personal profile with senior stakeholders and grow a diverse knowledge base in engineering Your skills and experiences: 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 Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. 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. This role is a fantastic opportunity to enhance your skills and invest in your career journey within a global business. You will be supported in growing your knowledge in contemporary and cutting-edge Radar techniques, with opportunities to develop your skills and responsibilities in technical leadership . In this role, you will be able to enjoy both flexible and hybrid working arrangements. 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. As the world has evolved, so has the way we work. Our working approach, will enable you to have flexibility with your working hours, depending on your role and location. This could include part time hours, accruing hours as well as flexibility around start and finish times, ensuring you can balance life at work, on site and life at home. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 7th January 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.

We are seeking a Principal Control, Command, Signalling, and Communications (CCS&C) Engineer to provide expert guidance on RSSB's CCS&C standards and signalling projects, with expertise in either conventional signalling or digital signalling. This integral role involves leading the development of system compatibility requirements, ensuring safe integration, and managing operational technology including hardware, firmware, software, and data for signalling, train control, traffic management, SCADA, and remote monitoring systems. This is a permanent, full-time role based at our Fenchurch Avenue office and includes some hybrid working. The closing date for this role is 12th January 2026. Early application is encouraged, and candidates may be contacted before the close date. RSSB reserves the right to close this advertisement early should suitable candidates be identified. What you'll be doing: Provide technical leadership and expertise on rail systems engineering, predominately control, command, signalling and communications (CCS&C) Lead and contribute to research and innovation projects, standards development, and industry guidance on CCS&C topics, such as conventional signalling, digital signalling, cyber security, and interoperability Engage with a wide range of stakeholders, including rail operators, infrastructure managers, suppliers, regulators, and academia, to understand their needs and expectations, and to influence and promote best practice in (CCS&C) engineering Work as part of a multidisciplinary team of engineers, analysts, and specialists, and collaborate with external partners and experts, to deliver high-quality outputs that support RSSB's vision and mission What we're looking for: A degree in engineering, computer science, or a related discipline, and a professional qualification (e.g. CEng, IEng, CITP) or equivalent experience Extensive knowledge and experience in (CCS&C) engineering, and a track record of delivering successful projects and outcomes Effective communication and interpersonal skills, and the ability to present complex technical information to diverse audiences, both verbally and in writing Analytical and problem-solving skills, and the ability to apply systems thinking and innovation to (CCS&C) challenges and opportunities A passion for rail safety and standards, and a commitment to continuous learning and professional development Why Join RSSB? We value our people and offer a competitive benefits package, including: 30 days annual leave (plus bank holidays) Private medical and dental cover Smart working policy Season ticket loan and travel subsidy Cycle to work scheme Volunteer leave Performance-related bonus Pension scheme Learning and development opportunities We value diversity and equal opportunities in employment and are committed to creating a workplace which is inclusive to everyone. As a member of the Disability Confident Scheme , we encourage candidates with disabilities who meet the minimum criteria, to apply for our jobs. If you have applied under the Disability Confident Scheme, please let us know in advance by emailing Find out more about Diversity and Inclusion at RSSB: Rail Safety and Standards Board Careers - VERCIDA If you require any reasonable adjustments with respect to our selection process including information in an alternative format, please contact us at We understand the importance of work-life balance and we offer our staff the flexibility to work within our core hours and the option to vary their location between both the office and home. If you are looking for further flexibility, speak to us at interview stage so that we can consider your request.

Job Title: Principal Systems Engineer - C&I Location: Barrow (Hybrid) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive (Commensurate with skills and experience) What you'll be doing: Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule Your skills and experiences: Essentials: Degree qualified C&I domain working experience Demonstrable experience in working with multi-discipline teams Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear Desirable: Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs Comparable experience in C&I design across the lifecycle, specifically early-stage design Experience within regulated industry such as Defence, Oil and Gas and Nuclear Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Centralised C&I Team: You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 18th December 2025 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 - C&I Location: Barrow (Hybrid) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive (Commensurate with skills and experience) What you'll be doing: Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule Your skills and experiences: Essentials: Degree qualified C&I domain working experience Demonstrable experience in working with multi-discipline teams Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear Desirable: Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs Comparable experience in C&I design across the lifecycle, specifically early-stage design Experience within regulated industry such as Defence, Oil and Gas and Nuclear Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Centralised C&I Team: You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 18th December 2025 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: Frimley. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Provide oversight and technical ownership of CCS design, leading design decisions and supporting the Engineering Manager in delivering in-service programmes Ensure technical leadership by controlling project scope, managing design changes, and engaging stakeholders and suppliers to identify risks early Lead programme-level design reviews, coordinate stakeholders, manage design baselines and voids, and produce Certificates of Design while ensuring design governance Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification Provide specialist knowledge and subject matter expertise in the integration, validation and verification of systems Your skills and experiences: Essential: Extensive experience in network or software engineering, ideally with a background in operations Ability to take the lead on technical matters and provide expert guidance Chartered Engineer status or working towards Specialist expertise in Combat Systems, particularly in relation to submarines, would be advantageous Familiarity with DOORS and prior hands-on experience using it Proven experience in change management processes Desirable: Systems Engineering (INCOSE) qualifications Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The team: You will be joining the In-Service Programme team, working on the V Class, where you'll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you'll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands strong technical leadership , owning challenges , proactively solving problems, and working with the right stakeholders to drive solutions forward. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 23rd December 2025 We reserve the right to close this vacancy early if we receive sufficient applications f or the r ole. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Frimley. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Provide oversight and technical ownership of CCS design, leading design decisions and supporting the Engineering Manager in delivering in-service programmes Ensure technical leadership by controlling project scope, managing design changes, and engaging stakeholders and suppliers to identify risks early Lead programme-level design reviews, coordinate stakeholders, manage design baselines and voids, and produce Certificates of Design while ensuring design governance Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification Provide specialist knowledge and subject matter expertise in the integration, validation and verification of systems Your skills and experiences: Essential: Extensive experience in network or software engineering, ideally with a background in operations Ability to take the lead on technical matters and provide expert guidance Chartered Engineer status or working towards Specialist expertise in Combat Systems, particularly in relation to submarines, would be advantageous Familiarity with DOORS and prior hands-on experience using it Proven experience in change management processes Desirable: Systems Engineering (INCOSE) qualifications Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The team: You will be joining the In-Service Programme team, working on the V Class, where you'll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you'll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands strong technical leadership , owning challenges , proactively solving problems, and working with the right stakeholders to drive solutions forward. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 23rd December 2025 We reserve the right to close this vacancy early if we receive sufficient applications f or the r ole. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer Location: Frimley. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Provide oversight and technical ownership of CCS design, leading design decisions and supporting the Engineering Manager in delivering in-service programmes Ensure technical leadership by controlling project scope, managing design changes, and engaging stakeholders and suppliers to identify risks early Lead programme-level design reviews, coordinate stakeholders, manage design baselines and voids, and produce Certificates of Design while ensuring design governance Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification Provide specialist knowledge and subject matter expertise in the integration, validation and verification of systems Your skills and experiences: Essential: Extensive experience in network or software engineering, ideally with a background in operations Ability to take the lead on technical matters and provide expert guidance Chartered Engineer status or working towards Specialist expertise in Combat Systems, particularly in relation to submarines, would be advantageous Familiarity with DOORS and prior hands-on experience using it Proven experience in change management processes Desirable: Systems Engineering (INCOSE) qualifications Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The team: You will be joining the In-Service Programme team, working on the V Class, where you'll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you'll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands strong technical leadership , owning challenges , proactively solving problems, and working with the right stakeholders to drive solutions forward. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 23rd December 2025 We reserve the right to close this vacancy early if we receive sufficient applications f or the r ole. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer - C&I Location: Barrow (Hybrid) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive (Commensurate with skills and experience) What you'll be doing: Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule Your skills and experiences: Essentials: Degree qualified C&I domain working experience Demonstrable experience in working with multi-discipline teams Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear Desirable: Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs Comparable experience in C&I design across the lifecycle, specifically early-stage design Experience within regulated industry such as Defence, Oil and Gas and Nuclear Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Centralised C&I Team: You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 18th December 2025 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 - C&I Location: Barrow (Hybrid) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive (Commensurate with skills and experience) What you'll be doing: Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule Your skills and experiences: Essentials: Degree qualified C&I domain working experience Demonstrable experience in working with multi-discipline teams Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear Desirable: Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs Comparable experience in C&I design across the lifecycle, specifically early-stage design Experience within regulated industry such as Defence, Oil and Gas and Nuclear Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Centralised C&I Team: You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 18th December 2025 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: Frimley. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Negotiable dependant on experience What you'll be doing: Provide oversight and technical ownership of CCS design, leading design decisions and supporting the Engineering Manager in delivering in-service programmes Ensure technical leadership by controlling project scope, managing design changes, and engaging stakeholders and suppliers to identify risks early Lead programme-level design reviews, coordinate stakeholders, manage design baselines and voids, and produce Certificates of Design while ensuring design governance Review and influence technical requirements and architectural design to ensure system integration, covering sub-systems and specialist domains for subcontractor design, development, and qualification Provide specialist knowledge and subject matter expertise in the integration, validation and verification of systems Your skills and experiences: Essential: Extensive experience in network or software engineering, ideally with a background in operations Ability to take the lead on technical matters and provide expert guidance Chartered Engineer status or working towards Specialist expertise in Combat Systems, particularly in relation to submarines, would be advantageous Familiarity with DOORS and prior hands-on experience using it Proven experience in change management processes Desirable: Systems Engineering (INCOSE) qualifications Benefits: As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The team: You will be joining the In-Service Programme team, working on the V Class, where you'll thrive in a fast-paced environment, delivering high-quality results within tight enterprise timelines. As part of a medium-sized core team of 6-12, you'll also collaborate with a wider group of around 30, engaging with a broad stakeholder network. This role demands strong technical leadership , owning challenges , proactively solving problems, and working with the right stakeholders to drive solutions forward. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 23rd December 2025 We reserve the right to close this vacancy early if we receive sufficient applications f or the r ole. Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Systems Engineer - C&I Location: Barrow (Hybrid) We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Competitive (Commensurate with skills and experience) What you'll be doing: Generate systems models such as functional, logical and interface models for 12+ major C&I systems including Distributed Control Systems, Control Console and Vehicle Control Systems Work closely with the system owners providing dynamic challenge on the systems design, to drive simplification within the design Support the wider C&I design for several C&I sub-systems for Secondary Propulsion, Platform Mechanical and Platform Electrical Manage various systems modelling/engineering stakeholders to provide consistency across the Centralised C&I team Support the development of a functional design for the systems within scope for Centralised C&I Deliver the response to the engineering delivery plan, ensuring that the plan is delivered to schedule Your skills and experiences: Essentials: Degree qualified C&I domain working experience Demonstrable experience in working with multi-discipline teams Experience of requirements management for similar regulated industries such as defence, Oil and Gas, and Nuclear Desirable: Proven use of Systems Engineering toolsets such as CAMEO, Enterprise Architect and DOORs Comparable experience in C&I design across the lifecycle, specifically early-stage design Experience within regulated industry such as Defence, Oil and Gas and Nuclear Benefits As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts - you may also be eligible for an annual incentive. The Centralised C&I Team: You will contribute to defining and shaping the Command and Information (C&I) design for the Royal Navy's next-generation attack submarines. Your role will involve supporting the development of systems from initial concept through to final design. In this position, you will collaborate closely with internal teams, external stakeholders, international partners, and suppliers to ensure the successful delivery of this critical project. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you'll be able to make a real difference. You'll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you'll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc .) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. 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: 18th December 2025 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.