Systems Engineer

We Need You...

Join Our Talent Community:

Leidos UK & EUROPE are always on the lookout for talented individuals to join our company and would love to hear from you.

If you cannot see a vacancy on our careers page that matches your current requirements please register your interest in Leidos UK & EUROPE by submitting an application via Join Our Talent Community on the UK careers page and we will be in touch as soon as a role matching your skill set becomes available.

The Role:

Due to growth within UK programmes we will need talented Systems Engineers throughout the course of 2026

You will have a full understanding of the principles of systems engineering and have prior experience as a Systems Engineer on a major programme involving accepting and integrating deliveries from suppliers.

Using your experience in Systems Engineering you 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 (MBSE).

Key Responsibilities:

• Working with operational stakeholders technology suppliers and architects to refine system and sub-system requirements and acceptance criteria
• Allocation of requirements to lower-level components conducting technical derivation analysis as required
• Modelling of functional and non-functional requirements and scenarios using MBSE and architectural framework approaches
• Modelling operational business and system designs & behaviours within architectural views
• Managing compliance assessments at system and lower levels
• Maintaining the high-level design and overseeing development of lower-level designs
• Producing detailed engineering artefacts such as:
• High and Low Level Designs
• Interface Control Documents (ICDs) / Application Programming Interfaces (APIs)
• Compliance Reports
• Preparing for and delivering milestone technical reviews and the associated work product deliverables
• Managing the technical backlog and the content of associated releases

Required Skills:

• Strong experience with systems modelling tools (e.g. NoMagic Cameo) Architectural Frameworks (e.g. TOGAF) and Languages (e.g. SysML)
• Strong knowledge of requirements and user scenario development in both text based and model based approaches
• Success in working within mission-critical systems integration programmes
• Ability to work with a number of stakeholders and suppliers working across organisational boundaries as appropriate
• Experience of developing system behavioural diagrams modelling interfaces and developing models to encapsulate functional & non-functional requirements and designs
• 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
• Understanding designing / delivering systems in a public cloud environment

Clearance Requirements:

• Clearance to Start BPSS
• Clearance for Role SC
• You must be willing to undergo SC or DV clearance dependent upon the security requirements for the role

Are you ready to make an impact Begin your journey of a flourishing and meaningful career share your CV with us today...

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)

Flexible Working Scheme

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 worldsaferhealthier andmore efficient through technology engineering andscience.

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 youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were 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:

The Leidos pay range for this job level is a general guideline onlyand 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.

Required Experience:

IC

Employment Type : Full-Time
Experience: years
Vacancy: 1