Description
The successful candidate will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Engineer on a major programme involving accepting and integrating deliveries from suppliers. Using their experience in Systems Engineering, the successful candidate will be responsible for working with customers and suppliers to execute Systems Engineering activities across the full lifecycle, with specific focus on Model Based Systems Engineering.
Specific duties may include:
Technical and/or team leading of significant portion of engineering activity of assigned programme.
Defining and leading the engineering life cycle and ensure that all Engineering tasks in the defined scope of work are delivered appropriately
- Working with operational stakeholders, technology suppliers and architects to define system of system level requirements
- Allocation of requirements to lower level services, conducting technical derivation analysis as required
- Modelling of functional requirements and scenarios inside of MBSE and architectural framework approaches
- Capturing of non-functional requirements within DOORS
- Managing compliance assessments at systems of systems, system and lower level systems & services levels
- Overseeing development of lower level designs corresponding to owned areas of the system
- Producing detailed engineering artefacts such as:
- Detailed Designs
- Service Management Designs
- Designs for onboarding service applications onto virtualized infrastructures
- Compliance Reports
- Security, HF and Safety artefacts
- Capacity and Throughput analysis
- Delivering milestone technical reviews and the associated work product deliverables
- Defining architectural solutions comprising multiple underpinning COTS and bespoke designs and driving the competitive selection of these technologies
- Creation of on-boarding designs
- Definition of user interfaces
- Modelling operational, business and system behaviours within architectural views
- Conducting cost/benefit/technical trade studies
Required Skills:
- Strong experience with architecture modelling tools (e.g. Sparx Enterprise Architect, MagicDraw Cameo)
- Strong experience with Architecture Modelling Frameworks and Languages (e.g. TOGAF, MODAF, NAF, SysML, Archimate)
- Success in working within large-scale, mission critical and complex integration programmes
- Ability to work with a number of stakeholders and suppliers, working across organizational boundaries as appropriate
- Experience of developing system behavioural diagrams, modelling interfaces and developing models to encapsulate functional requirements
- Demonstrable successes within the System Engineering environment
- Excellent customer facing skills, including being able to ingest large volumes of requirements and information developing clear understanding of customer hot-buttons and needs
- Demonstrable knowledge and cognisance of adjacent disciplines, including programme management, customer relationship management, supplier management and service management
- In-depth experience of conducting detailed systems engineering trade solutions to assess options & feasibility, and define optimal solutions
- Strong knowledge of requirements and user scenario development in both text based and model based approaches
- Understanding designing / delivering systems in a Virtualised Environment
- Experience of working with Service Oriented Architectures
Desired Skills:
- ITIL including Service Management Roles & Processes
- Knowledge of Air Traffic Management or other safety related systems
- Experience of service management, assurance and regulation requirements and how they apply across functional boundaries
- Willingness to offer fresh, innovative ideas and/or unconventional approaches
- Ability to deliver clear messages through dialogue, written work and formal presentation
What do we do for you?
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.
Who We Are:
Leidos UK & Europe – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.
What Makes Us Different:
Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plan that enhance your future.
If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares
If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.
Original Posting:
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
£47,600.00-£61,000.00
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 (but are not limited to) 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
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
Technical Lead - Systems Engineering
Location: Farnborough, or other Leidos UK Offices with flexibility to work from home dependent on business demands
Looking for an opportunity to make an impact?
About the Role
Leidos is seeking an experienced Technical Lead (Systems Engineering) to play a pivotal role on a critical national infrastructure Programme, one of Leidos UK’s flagship delivery programmes supporting a high‑profile government customer.
The Technical Lead will provide hands‑on technical leadership across complex, multi‑supplier systems, applying systems engineering best practice to the design, integration, change and assurance of mission‑critical IT services. Working closely with the Chief Engineer, Architects, Project Managers, Infrastructure, Networks and Software teams, the role ensures that solutions delivered by Leidos are technically sound, secure, and fit‑for‑purpose.
This is a leadership role that combines deep technical expertise, systems thinking, and stakeholder engagement, with accountability for guiding teams through change, risk and technical decision‑making.
What will I be doing?
Technical Leadership
- Act as Technical Lead for systems engineering activities within assigned workstreams or projects.
- Provide authoritative technical direction across on‑premise and cloud‑hosted systems, ensuring coherence across infrastructure, networks, applications and services.
- Lead technical decision‑making, trade‑offs, and design assurance in line with programme and customer requirements.
Systems Engineering & Design
- Apply Systems Engineering principles across the full engineering lifecycle (V‑Model), including requirements, design, integration, verification and transition to service.
- Own and assure key engineering artefacts, including impact assessments, high‑level and low‑level designs, and technical change documentation.
- Ensure designs are aligned with programme architecture, security constraints, and operational needs.
Change & Impact Assessment
- Lead the technical impact assessment of Requests for Change (RFCs) and new requirements.
- Clearly define technical scope, dependencies, risks and estimates for change delivery.
- Support Project Managers with technically robust inputs to planning, costing and scheduling.
Stakeholder & Customer Engagement
- Work directly with customer technical stakeholders to elicit, clarify and refine requirements.
- Act as a trusted technical authority, able to explain complex technical topics clearly to both technical and non‑technical audiences.
- Collaborate effectively across Leidos engineering disciplines and third‑party suppliers.
Governance, Quality & Assurance
- Ensure compliance with Leidos engineering standards, programme governance, and security policies.
- Identify technical risks early and define mitigation strategies.
- Support technical reviews, audits, and assurance activities as required.
Mentoring & Capability Development
- Provide technical mentoring and coaching to junior and mid‑level engineers.
- Promote good engineering practice, reuse of patterns, and continuous improvement across the programme.
- Contribute to the development of common ways of working and engineering maturity within the programme.
What does Leidos need from me?
Essential
- Proven experience as a Technical Lead or Senior Systems Engineer on large‑scale, complex IT programmes.
- Strong grounding in Systems Engineering concepts and lifecycle management.
- Broad technical understanding across:
- Infrastructure (compute, storage, virtualisation)
- Networks
- Applications and integrations
- Hybrid and/or cloud environments
- Experience leading technical design, integration and change in a controlled, high‑assurance environment.
- Ability to assess technical risk, manage dependencies, and make sound engineering decisions.
- Excellent communication skills, with experience engaging customers and senior stakeholders.
Desirable
- Experience working on UK government, defence or critical national infrastructure programmes.
- Familiarity with IT service delivery environments and operational constraints.
- Knowledge of security‑driven design and working within secure environments.
- Experience influencing technical strategy across multi‑supplier ecosystems.
Personal Attributes
- Confident technical leader with strong systems thinking.
- Pragmatic, delivery‑focused, and able to balance risk, cost and quality.
- Collaborative and comfortable working across organisational boundaries.
- Passionate about engineering excellence and developing others.
What We Offer
- Opportunity to work on one of Leidos UK’s most significant and visible programmes.
- Exposure to complex, mission‑critical systems with real national impact.
- A collaborative engineering culture with clear technical career pathways.
- Competitive salary, benefits, and flexible working arrangements.
Location
- UK (Hybrid / Customer site as required)
Clearance Requirements:
- Must be eligible for UK Security Clearance (SC or higher; DV desirable)
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)
• 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.
Who We Are:
Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.
What Makes Us Different:
Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.
If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.
Original Posting:
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
£61,500.00-£78,800.00
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 (but are not limited to) 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
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.
#Remote
Description
Senior Integration Test Engineer
Location: This is a Hybrid working role. Whiteley, Hampshire
Clearance Required: This role will require attainment and maintenance of SC clearance.
We are looking for a Senior Integration Test Engineer to join our team to help us deliver a large-scale systems integration programme.
As part of an multi discipline team the successful candidate will be responsible for the delivery of test documentation and execution, as assigned by the Test Lead. The successful candidate will be responsible for interfacing with an international team, and with Customer stakeholders to design, create and execute tests. The role will require the ability to effectively communicate with all members of the team, ranging from technical personnel to programme leadership.
The role includes executing tests across a variety of software products, their interfaces and network & infrastructure configurations, and identifying and managing resulting defects.
What will I be doing?
- Generating and reviewing Test Plans, Designs and Reports, working with suppliers and senior stakeholders
- Generating Test Cases by reviewing of requirements and design documentation, liaising with SMEs
- Documenting of test results and any defects/reporting progress, risks & issues
- Investigating issues and working with suppliers to identify root cause and resolution
- Analysing data and test evidence from suppliers to show compliance to requirements
- Identifying improvements in new and existing processes
- Supporting Automation team to develop regression test pack
What does Leidos need from me?
- Experienced Tester (including ISTQB/ISEB Foundation Certificate in software testing)
- Excellent understanding of Testing Lifecycle and the different types of testing such as Functional, Non-Functional and Integration Testing
- Demonstrable systems integration experience including integrating 3rd party systems or components
- Able to estimate and plan own immediate tasks and manage their completion
- Proactive, troubleshooting attitude with a willingness to learn new technologies
- Experience of creating Test Cases based on requirements and design documents
Who We Are:
Leidos UK & Europe – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.
What Makes Us Different:
Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.
If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.
Original Posting:
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
£47,600.00-£61,000.00
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 (but are not limited to) 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That’s why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
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.
#Remote
