Leidos

Business Development Manager (Defence) Programme Name: UK Growth Location: Farnborough or Whiteley with travel required and flexibility to work from home dependent on business demands Salary: £75,800 - £99,800 Leidos is currently seeking a Business Development Manager - Defence, aligned to our National Security and Defence (NS&D) Division covering the United Kingdom Ministry of Defence. You will work with a team of Business Development professionals and report to the BD Director for NS&D. The role you will play: Plan and lead Business Development activities that will contribute to our annual award targets in this strategic and fast growing area of the UK business. Responsible for the development and management of a pipeline of opportunities to support the next 2 5 years business growth ambition, aligned to the UK strategy. Develop and maintain senior relationships with Defence clients positioning Leidos as a potential strategic supplier. Guide the Leidos bid teams in their pursuit and shaping of the business development campaign to propose differentiated client propositions. Identify and qualify the opportunities that best match Leidos strengths and provide optimum outcomes for the client and us. Lead and execute significant new business campaigns in the UK Defence market. Operate effectively within a multi functional team where you will be an effective leader and communicator. The successful candidate will have: Substantial experience of successfully selling into the UK Defence market. Existing client relationships in the UK MOD. A track record of successfully driving business growth year on year and hitting targets. Demonstrable experience of success in leading and winning contracts valued more than £25m. Extensive knowledge of Government business development, contract awards, current procurement trends and customer buying behaviours. Experience of winning work on frameworks and then scaling the size of follow on awards in those areas. Proven experience of collaboratively creating compelling winning bids with partners. Excellent inter-personal, presentation and verbal skills and an experienced negotiator. Tenacity and energy to maintain the momentum of multiple and concurrent pursuits. A track record of Client and Industry stakeholder engagement and relationship development. Expertise in motivating and mentoring agile teams to grow and change the business. Domain Specific Requirements: Experienced Business Developer, Senior Account Manager or Capture Leader with a proven track record of successfully prosecuting and winning business in the UK MOD. Experience and understanding of the Defence Intelligence community is essential. Experience and understanding of the R&D/ST community and working with DSTL is highly desirable. Experience and understanding of Information Advantage concepts, technologies and customers is highly desirable. Experience of forming partnerships/consortiums to win opportunities is essential. Experience in formulating use cases for multi-domain and digital transformation concept demonstrators is highly desirable. In-depth understanding of the MOD's digital transformation programmes is desirable. Understanding of autonomous systems, ITSM, application of AI/ML technology (to solve problems) is desirable. Clearance Required: Clearance to Start: SC Clearance for Role: DV What we do for you: Contributory Pension Scheme Private Medical Insurance 33 days Annual Leave (including public and privilege holidays) Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme) Flexi Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Pay Range £75,800.00-£99,800.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Leidos will never ask you to provide payment-related information during any part of the employment application process. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please make us aware immediately by emailing . For more information about Leidos please visit .

Programme Manager Location: Hybrid role, Whiteley, Hampshire. SC clearance required. We are seeking an experienced Programme Manager to lead the delivery of complex multi stakeholder programmes. This is a customer facing role where you will build trusted relationships, align customer objectives and ensure successful delivery against commercial and operational goals. Key Responsibilities Act as the primary customer interface, building strong trusted relationships Lead end to end programme delivery across scope, schedule, cost and risk Drive programme governance, including steering boards and executive reporting Manage multiple projects, workstreams and dependencies Oversee financial performance, forecasting and contractual commitments Engage and influence stakeholders across customers, partners and internal teams Ensure robust risk, issue and delivery assurance management Support programme growth through change requests, proposals and bid activity Essential Experience Proven Programme Manager or Senior Project Manager experience Strong track record in customer facing, stakeholder driven environments Experience delivering complex, multi party programmes Demonstrable expertise in governance, financial management and risk control Confident engaging and influencing senior stakeholders Degree qualified or equivalent experience Desirable Experience Experience in regulated, safety critical or technical environments Professional certifications such as PMP, Agile Exposure to bids, proposals or commercial activities Skills & Capabilities Excellent customer engagement and influencing skills Strong leadership and communication capability Ability to manage complex delivery environments Commercial awareness and financial acumen Effective risk and dependency management Working Arrangements This is a hybrid role with an expectation of 1-2 days per week onsite, and regular travel to customer sites as required. Training will be provided on proprietary tools and processes where needed. EEO Statement All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider qualified applicants with criminal histories consistent with relevant laws.

Leidos is looking for an experienced Programme Manager to lead complex multi-stakeholder programmes from a hybrid location in Ham, England. This role involves managing end-to-end delivery, building customer relationships, and ensuring project success across various metrics. The ideal candidate will have proven experience in programme management, excellent stakeholder engagement skills, and relevant qualifications. Regular travel to customer sites is required, with training provided on necessary tools.

Leidos is seeking an experienced Programme Manager to lead the delivery of complex multi-stakeholder programmes in a hybrid role based in Whiteley, Hampshire. You will manage diverse projects and build trusted customer relationships to ensure successful delivery against operational goals. The candidate should possess proven Programme Manager experience, with a strong background in customer-focused environments and excellent leadership capabilities. The position involves on-site presence 1-2 days a week, with travel to customer sites as needed.

Programme Manager Location: Hybrid role, Whiteley, Hampshire. SC clearance required. We are seeking an experienced Programme Manager to lead the delivery of complex multi stakeholder programmes. This is a customer facing role where you will build trusted relationships, align customer objectives and ensure successful delivery against commercial and operational goals. Key Responsibilities Act as the primary customer interface, building strong trusted relationships Lead end to end programme delivery across scope, schedule, cost and risk Drive programme governance, including steering boards and executive reporting Manage multiple projects, workstreams and dependencies Oversee financial performance, forecasting and contractual commitments Engage and influence stakeholders across customers, partners and internal teams Ensure robust risk, issue and delivery assurance management Support programme growth through change requests, proposals and bid activity Essential Experience Proven Programme Manager or Senior Project Manager experience Strong track record in customer facing, stakeholder driven environments Experience delivering complex, multi party programmes Demonstrable expertise in governance, financial management and risk control Confident engaging and influencing senior stakeholders Degree qualified or equivalent experience Desirable Experience Experience in regulated, safety critical or technical environments Professional certifications such as PMP, Agile Exposure to bids, proposals or commercial activities Skills & Capabilities Excellent customer engagement and influencing skills Strong leadership and communication capability Ability to manage complex delivery environments Commercial awareness and financial acumen Effective risk and dependency management Working Arrangements This is a hybrid role with an expectation of 1-2 days per week onsite, and regular travel to customer sites as required. Training will be provided on proprietary tools and processes where needed. EEO Statement All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider qualified applicants with criminal histories consistent with relevant laws.

Leidos is seeking a Front End Software Engineer located in Farnborough, UK. The role requires proficiency in React and TypeScript, emphasizing the delivery of high-quality, production-ready single-page applications. Responsibilities include collaborating with backend engineers, leading front-end implementation, and ensuring best practices in code review and testing. Additional benefits include a contributory pension scheme, private medical insurance, and 33 days of annual leave. The ideal candidate will have significant front-end engineering experience and must hold or obtain UK SC clearance.

Leidos is seeking a Software Engineer (Python & Java) in Farnborough, UK, to work on Maritime Internal Research and Development. The role involves developing software solutions and requirements, integrating software products, and working within Agile environments. Ideal candidates should demonstrate proficiency in Python and Java, familiarity with AWS, and the ability to gain SC Clearance. Benefits include a pay range of £47,600 - £61,000 and flexible working options.

Software Engineer (Python & Java) Programme Name: Maritime Internal Research & Development Location: Farnborough, with flexibility to work from home dependent on business demands Salary: £47,600 - £61,000 We are seeking a Software Engineer (Python and Java) to play a key role in advancing Maritime Internal Research and Development (IRAD) within our National Security & Defence (NS&D) Division. You will help shape next generation capabilities in AI, autonomy, and machine learning, taking innovative concepts from research through to solutions ready for integration with operational platforms. Working in a fast paced and collaborative environment, you will contribute to problem analysis, solution design, and the delivery of high quality software across a diverse range of applications. Key Activities Develop Software Requirements and Software solutions/recommendations Contribute to architecture and design baselines Fast paced experimentation and solution development to meet mission focused use cases Software development of solutions to quality/safety/security software standards Integration of bespoke and COTS software products Configuration of software products and toolchains Software modelling and simulation Ability to demo capabilities and rapidly iterate based on feedback Change and release management Curious and inquisitive issue investigation and a flexible and adaptable approach to resolution Technical risk and opportunity management Liaison with UK-wide and global colleagues, suppliers and end user representatives Close working with other disciplines (i.e. Systems Engineering and Test Teams) Skills Required Proficiency in Python and Java; experience with C++ and JavaScript is desirable Experience working in Agile development environments Familiarity with Secure DevOps and CI/CD pipelines, including tools such as Jira, Bitbucket, JFrog, Ansible, Grafana, Splunk, Confluence, and Kubernetes Experience designing and implementing service oriented and microservices architectures Containerisation experience, preferably using Docker Use of automated testing frameworks and tools Experience developing solutions on AWS Delivery of software in line with quality, safety, and security standards, including Secure by Design principles Understanding of integrating sensor inputs, effects of latency, decision and behaviour trees, failure modes, autonomy algorithms, performance tuning and assessing AI accuracy Experience with LLMs, AI agents, and generative AI techniques Exposure to AI assisted and agentic software engineering tools, frameworks, and patterns (e.g. MCP, Claude Code) Integration and configuration of COTS products Clearance Requirements Current UK SC Clearance, or the ability to gain UK SC Clearance. Sole UK National. Benefits Pay range: £47,600 - £61,000. Additional benefits include contributory pension scheme, private medical insurance, 33 days annual leave (including public and privilege holidays), flexible benefits, flexi time working. Equal Opportunity and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. We welcome applications from all communities and are committed to a truly diverse and inclusive culture.

Front End Software Engineer Location: Farnborough, with flexibility to work from home as required by business demands. The Software Engineer will play a critical role in both sustaining the current user facing environment and delivering new capabilities. The role requires creative problem solving and hands on development as a senior individual contributor. Key Responsibilities Deliver high quality, production ready front end software through hands on development. Design, implement, test, document, and deploy modern single page applications. Lead front end implementation using React and TypeScript. Apply strong front end engineering practices to ensure solutions are maintainable, modular, well structured, and aligned with agreed standards. Make front end technical recommendations within assigned scope, aligning with agreed architectural direction and escalating broader decisions as appropriate. Ensure adherence to established code review standards and quality gates for all front end changes delivered. Continuously validate and maintain front end build and deployment pipelines: Ensure changes do not break build, test, or deployment stages. Make improvements as necessary to support reliable front end delivery. Act as a guide for other developers to ensure pipeline practices are understood and maintained. Write and maintain unit and integration tests as a standard part of development. Support and contribute to UI and API test automation efforts, working closely with the test team. Collaborate closely with backend engineers to ensure clean separation of concerns and well defined API contracts. Support Agile delivery practices, including planning, estimation, backlog refinement, and iterative delivery. Use and support development tooling and processes, including CI/CD pipelines and integrated security scanning. Mentor and guide other front end engineers through code reviews, pairing, and informal technical coaching. Act as a senior technical point of reference for complex UI and front end engineering challenges. Key Skills (Required) Significant front end engineering experience delivering production grade single page applications. Modern SPA development experience (required) using React and TypeScript, Angular, or Vue. Strong understanding of SPA design patterns and best practices, including component composition, state management approaches, and modular UI architecture. Proven experience delivering complex UI changes in production environments. Demonstrated experience writing unit and integration tests as a normal part of front end development. Familiarity with Agile software development processes and working within iterative delivery models. Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices. Experience working with code review standards, quality gates, CI/CD pipelines, and security scanning processes. Desirable Skills and Experience Experience working closely with backend teams on API driven architectures. Familiarity with broader software design patterns beyond the front end domain. Experience contributing to or supporting test automation initiatives (UI and/or API). Exposure to scripting languages (e.g. Python, bash) in support of tooling or build processes. Clearance Required Due to the nature of the project, this role will require holding or obtaining UK SC clearance. Pay Range £61,500.00 - £78,800.00 per annum. Benefits Contributory Pension Scheme. Private Medical Insurance. 33 days Annual Leave (including public and privilege holidays). Access to Flexible benefits (life assurance, health schemes, gym memberships, annual buy and sell holidays, and a cycle to work scheme). Flexi Time Working. Commitment to Diversity We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages, please let us know, and we will respond in a way that best fits your needs. Commitment to Non Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Chief Engineer - Systems - Air Traffic Location: This is a Hybrid role. Whiteley, Hampshire with travel to customer sites across the South of England. Clearance Required: This role will require attainment and maintenance of SC clearance Do you have experience in Air Traffic Control? Are you ready for your next challenge? We are looking to recruit an experienced Engineer who understands the challenges of a heavily regulated industry, preferably safety related, and experience in technologies and protocols similar to Token Ring, ADA. With a focus on delivery and operation, the Chief Engineer contributes to the development of solutions that influence strategic project/programme goals and business results. They have thorough understanding of advanced technical principles, theories, and concepts, they recommend and collaborate in the development of new technical solutions and/or standards in support of strategy and operations. The successful candidate will be a natural self starter and team motivator who will guide the technical team to deliver upon Leidos commitments. They are a leader and champion in technical delivery with the experience to back up their decisions and actions, preferably hands on at a high level. You will work with field leading subject matter experts who will provide detailed designs and with supporting functions within the division such as programme management, business, financial and senior leadership. Core Skills and Behaviours: Delivery Leadership Leads and inspires multidisciplinary engineering teams to deliver complex technical outcomes, driving pace while maintaining quality, assurance, and alignment to business objectives. Complex Systems Delivery Experience Significant experience delivering large, complex technical solutions, ideally within Air Traffic Management or other safety critical, highly regulated environments. Technical Decomposition & Planning Expert at breaking down complex technical problems into manageable, measurable, and trackable delivery plans, with clear ownership and milestones. Engineering Lifecycle Expertise Strong experience across the full engineering lifecycle, including lifecycle methodologies, technical governance, assurance, lifecycle cost analysis, performance analysis, and trade off studies. Systems Engineering & Analysis Deep expertise in systems engineering and/or technical business analysis, including requirements analysis, requirements management, and Model Based Systems Engineering (MBSE). Systems Integration & Architecture Demonstrable experience in large scale systems integration and systems architecture, including service oriented architectures and modern enabling technologies. Modelling & Evidence Based Decision Making Advanced capability in modelling, simulation, and evidence based technical decision making to support robust design and delivery choices. Technical Leadership & Governance Provides authoritative technical leadership, owning technical assurance, configuration management, risk management, and compliance, while guiding teams through governance processes. Data & Information Architecture Strong understanding of data and information architectures and their influence on overall system performance, resilience, and delivery. Stakeholder Influence Excellent stakeholder management skills, with the credibility and confidence to challenge, influence, and advise senior technical and non technical stakeholders. Technology Advocacy & Learning A proactive technical advocate and continuous learner, staying current with emerging technologies and innovation, and encouraging the same mindset within the team. Mentorship & Technical Excellence A recognised technical authority who mentors and develops engineers, setting high standards for technical quality, professionalism, and best practice. What we do for you At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: Contributory Pension Scheme Private Medical Insurance 33 days Annual Leave (including public and privilege holidays) Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme and much more) Flexi Time Working Commitment to Diversity We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Pay Range £75,800.00 - £99,800.00 Pay and Benefits Pay and benefits are fundamental to any career decision. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at Commitment to Non Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Leidos is seeking a Chief Engineer for a hybrid role in Whiteley, Hampshire, focusing on Air Traffic Systems. The ideal candidate will lead multidisciplinary teams in delivering complex solutions, leveraging significant experience in regulated environments. Candidates should have a strong practical background and excel in stakeholder management. The compensation is competitive, with a salary range of £75,800 - £99,800, alongside several attractive benefits including a contributory pension scheme and private medical insurance.

Leidos in Farnborough seeks a Front End Software Engineer to develop high-quality, production-ready front-end software. You will lead the implementation of modern single-page applications using React and TypeScript, ensuring adherence to standards and practices. The ideal candidate has significant front-end engineering experience and a strong understanding of SPA design patterns. A commitment to Agile processes and maintaining best practices in coding and testing is essential. SC clearance will be required for this role.

Leidos is looking for a skilled DevOps Engineer to support the Metropolitan Police mission by designing, implementing, and continuously improving cloud-based platforms. This role requires strong expertise in Microsoft Azure, CI/CD pipelines using Jenkins, and experience with Terraform and Kubernetes. The ideal candidate will work closely with engineering teams to enhance build and deployment processes, ensuring the stability and security of applications. The position offers a competitive salary range of £61,500.00 - £78,800.00.

Leidos in Farnborough is looking for a Java Software Engineer to sustain current systems while developing new user-facing capabilities. You will create innovative solutions and work on critical national infrastructure projects for the government. The ideal candidate has strong skills in React and TypeScript, with experience in Agile development processes. The role allows flexibility for remote work during certain business demands, plus a competitive salary and benefits.

Front End Software Engineer Location: Farnborough, with flexibility to work from home as required by business demands. The Software Engineer will play a critical role in both sustaining the current user facing environment and delivering new capabilities. The role requires creative problem solving and hands on development as a senior individual contributor. Key Responsibilities Deliver high quality, production ready front end software through hands on development. Design, implement, test, document, and deploy modern single page applications. Lead front end implementation using React and TypeScript. Apply strong front end engineering practices to ensure solutions are maintainable, modular, well structured, and aligned with agreed standards. Make front end technical recommendations within assigned scope, aligning with agreed architectural direction and escalating broader decisions as appropriate. Ensure adherence to established code review standards and quality gates for all front end changes delivered. Continuously validate and maintain front end build and deployment pipelines: Ensure changes do not break build, test, or deployment stages. Make improvements as necessary to support reliable front end delivery. Act as a guide for other developers to ensure pipeline practices are understood and maintained. Write and maintain unit and integration tests as a standard part of development. Support and contribute to UI and API test automation efforts, working closely with the test team. Collaborate closely with backend engineers to ensure clean separation of concerns and well defined API contracts. Support Agile delivery practices, including planning, estimation, backlog refinement, and iterative delivery. Use and support development tooling and processes, including CI/CD pipelines and integrated security scanning. Mentor and guide other front end engineers through code reviews, pairing, and informal technical coaching. Act as a senior technical point of reference for complex UI and front end engineering challenges. Key Skills (Required) Significant front end engineering experience delivering production grade single page applications. Modern SPA development experience (required) using React and TypeScript, Angular, or Vue. Strong understanding of SPA design patterns and best practices, including component composition, state management approaches, and modular UI architecture. Proven experience delivering complex UI changes in production environments. Demonstrated experience writing unit and integration tests as a normal part of front end development. Familiarity with Agile software development processes and working within iterative delivery models. Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices. Experience working with code review standards, quality gates, CI/CD pipelines, and security scanning processes. Desirable Skills and Experience Experience working closely with backend teams on API driven architectures. Familiarity with broader software design patterns beyond the front end domain. Experience contributing to or supporting test automation initiatives (UI and/or API). Exposure to scripting languages (e.g. Python, bash) in support of tooling or build processes. Clearance Required Due to the nature of the project, this role will require holding or obtaining UK SC clearance. Pay Range £61,500.00 - £78,800.00 per annum. Benefits Contributory Pension Scheme. Private Medical Insurance. 33 days Annual Leave (including public and privilege holidays). Access to Flexible benefits (life assurance, health schemes, gym memberships, annual buy and sell holidays, and a cycle to work scheme). Flexi Time Working. Commitment to Diversity We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages, please let us know, and we will respond in a way that best fits your needs. Commitment to Non Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Java Software Engineer Location: Farnborough, with flexibility to work from home dependent on business demands Salary: £47,600 - £61,000 The Role As a Java Software Engineer you will play a critical role in both the sustainment of the current environment and the delivery of new user facing capabilities. The selected individual will develop solutions to complex technical issues and problems that impact multiple areas or disciplines; regularly employ ingenuity and creativity to develop new technical solutions and systems to achieve functional objectives. As a Software Engineer in Leidos, you will be immersed in one of our key programmes. On behalf of our central government customer, you will have direct impact on the current and future iterations of one of our most important pieces of critical national infrastructure. What will I be doing? Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy. Design and implement modern single page applications using React and TypeScript. Consume and integrate with REST APIs, maintaining clean separation from backend and legacy systems. Support delivery commitments across projects and releases. Contribute to the continuous validation and maintenance of the build and deployment pipeline, identifying issues, supporting fixes, and working with the wider team to ensure reliable build, test, and deployment processes. Investigate, identify, and mitigate software and system issues. Collaborate closely with backend and test engineers to ensure end to end quality. Work with senior engineers to design UI solutions based on user needs and system constraints. Produce clear technical documentation and maintain readable, well structured code. Participate fully in the Agile software development lifecycle. Use tooling such as Bitbucket, Jira, Jenkins, and Confluence to manage code, work items, and builds. Write and maintain unit and integration tests as part of normal delivery. Contribute to and support UI and API test automation efforts. Communicate progress, risks, and technical decisions clearly to stakeholders. Apply engineering best practices and standard operating procedures. Influence technical decisions through clear, evidence based recommendations. What does Leidos need from me? Strong experience building SPAs with React and TypeScript. Experience integrating front end applications with REST APIs. Familiarity with Agile software development processes and working within iterative delivery models. Familiarity with the Atlassian tool suite (e.g. Jira, Bitbucket, Bamboo), or equivalent tooling, with a solid understanding of CI/CD concepts, workflows, and practices. Ability to perform complex engineering tasks with minimal supervision. Experience producing technical documentation. Proven experience writing unit and integration tests. Desirable Skills and Experience Java experience (Java 17+/21), particularly in service or API development. Experience with other SPA frameworks. Familiarity with modern integration patterns (e.g. Saga, adapters). C/C++ experience. Perl, Python, and/or bash scripting experience. Clearance Requirements: Successful candidates will be required to be willing and able to obtain UK Security Clearances - this requires a minimum of 5 years residency in the UK. What we do for you: Contributory Pension Scheme Private Medical Insurance 33 days Annual Leave (including public and privilege holidays) Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme) Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Cyber Security Architect At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Our Mission, Vision, and Values guide the way we do business. Role overview We are seeking a Senior Cyber Security Architect to support customer projects within Civil & Devolved Government and Energy (DG&E) divisions in the UK. You must be based in the UK with the ability to hold SC Clearance or above, and you may need to apply for additional personnel security clearances. You will design and assure robust security architectures for customers, delivering high assurance with minimal friction, focusing on simple, effective security that customers value. The role supports secure, efficiently managed technical architectures for sensitive programmes. You will engage with third parties and customers, establishing and supporting ongoing growth. The role requires flexibility to operate in an agile environment with strong scheduling and prioritisation skills. Responsibilities Lead the design, implementation, and assurance of cybersecurity architectures for the protection of programme data, systems, and networks. Provide expert guidance on security architecture and design patterns for cloud and hybrid environments. Conduct risk assessments, threat modelling, and develop mitigation strategies for new and existing solutions. Embed security controls into architectural designs to protect data and infrastructure. Produce and maintain architectural documentation, reporting, and communication with relevant stakeholders. Embed the Security Architecture Framework and assurance approaches into delivery to maintain build assurance of system and service security. Lead the delivery and assurance of security requirements from design through service transition. Support customers in developing Zero Trust Network Architecture (ZTNA) strategies and roadmaps to target-state capabilities. Lead security design and requirements for Microsoft Entra ID, supporting IDAM strategy development. Lead Security Architecture Forums, driving governance outcomes for customer programmes. Engage with the broader architect community to embed security-by-design into IT Governance and Technical Design Authority processes. Develop and implement security policies and standards as required to stay secure and compliant. Candidate Information British - Many projects have nationality restrictions. SC cleared (or eligible for SC Vetting) - many projects have nationality restrictions. Education/Experience Experience in a security architecture or senior security engineering role. Experience in a technical leadership or architecture-focused position. Relevant security architecture certifications (e.g., SABSA, TOGAF, CISSP-ISSAP, Microsoft Certified: Cybersecurity Architect Expert, AWS Certified Security - Specialty, or similar) is an advantage. Essential Process Skills/Experience Excellent verbal and written communication skills; works well in a team environment. Experience of the IT systems engineering and architecture lifecycle. Understanding of systems engineering lifecycle controls (requirements management, configuration management, testing and assurance) and where security architecture fits. Familiarity with lifecycles/methodologies (waterfall, incremental, agile, DevOps). Solid understanding of Confidentiality, Integrity, and Availability (CIA) and applying it in architectural delivery. Experience designing secure solutions for sensitive environments. Understanding of service operations and security operational management planning. Awareness of Security Frameworks such as ISO 27001, ISO 27002, NIST, and NCSC Cloud Security Principles. Experience mentoring and acting in a team lead or senior role, including work on accredited security solutions in sensitive government or CNI scenarios. Desirable Experience Experience in both customer delivery and consulting environments. Experience in SecDevOps, infrastructure as code, or security as code. Experience in CNI or Public Sector project environments. Experience working in AGILE environments. Experience defining and implementing Zero Trust/ZTNA roadmaps and identity security patterns (e.g., Microsoft Entra ID governance and access controls). Technology Skills/Experience Deep understanding of network and boundary protection technologies (firewalls, mail gateways, load balancers, anti-virus, IPS, IDS). Experience architecting Cloud Security Controls on Azure and AWS. Practical experience with Protective Monitoring systems (SIEM/SOC) and deployment principles. Understanding of authentication and authorization technologies (SAML, LDAP, PKI, etc.). Strong grasp of encryption protocols and their deployment in secure architectures. Experience defining security requirements for systems, including: Microsoft OS Linux OS Virtualisation technologies Networking Endpoint Security Products Communication and Soft Skills Capable of developing and communicating a vision to meet system and security requirements. Ability to communicate complex technical ideas across audiences. Commercial awareness and project discipline. Note: This description reflects the responsibilities and qualifications for the role and does not include non-job content such as promotional material. EEO and diversity statements are included as required by law.

Leidos is seeking a Senior Cyber Security Architect based in the UK to support customer projects in Civil & Devolved Government and Energy divisions. The role involves leading security architecture designs, providing guidance on cloud solutions, and conducting risk assessments. Candidates must be SC cleared, possess experience in a security architecture role, and have relevant certifications. Strong communication and technical skills are essential. Join us to contribute to secure technical architectures for sensitive projects.

DevOps Engineer This is an exciting opportunity to use your experience supporting the Metropolitan Police mission. In this role you will support the design, implementation, and continuous improvement of cloud based platforms and delivery pipelines. You will work closely with engineering and platform teams to automate infrastructure, enhance CI/CD processes, and maintain reliable, scalable environments. Your Role and Primary Responsibilities Build, maintain, and optimise CI/CD pipelines using Jenkins and YAML configurations Develop and manage Infrastructure as Code (IaC) using Terraform Deploy, manage, and support Azure services across IaaS and PaaS environments Automate routine operational and deployment tasks Monitor and troubleshoot infrastructure, applications, and deployment pipelines Deploy, manage, and troubleshoot applications running in Kubernetes environments Use kubectl commands to manage deployments, pods, services, and namespaces Investigate issues using logs, exec, and describe commands Perform rollouts, restarts, and scaling activities Work with containerised applications (Docker or similar) Collaborate with engineering teams to improve build, release, and deployment processes Contribute to platform stability, performance, and security Support technical documentation (runbooks, deployment guides) Contribute to well structured release notes Basic Qualifications Experience as a DevOps Engineer or similar role Strong Microsoft Azure experience CI/CD pipeline experience (Jenkins) Terraform experience YAML proficiency Kubernetes experience Strong use of kubectl commands Containerisation experience (Docker or similar) Scripting (PowerShell/Bash) Experience working with Jira in Agile environments Preferred Qualifications Confluence experience Azure Monitor / Log Analytics experience Cloud security and governance understanding CI/CD best practices knowledge FinOps awareness Experience in enterprise or government environments Pay Range £61,500.00 - £78,800.00 Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Leidos is seeking a Software Engineer for its Maritime Internal Research & Development team based in Farnborough, UK. The role involves developing key software solutions in AI, autonomy, and machine learning, with flexible working arrangements. The ideal candidate should have strong skills in Python, Java, and Agile environments, alongside a passion for delivering innovative solutions. The position offers a salary between £47,600 and £61,000 and a range of benefits including a contributory pension and private medical insurance.