Overview

The Role: Leidos UK & EUROPE are seeking talented Systems Engineers throughout 2025 to support growth within UK programmes. You will have a full understanding of the principles of systems engineering and prior experience as a Systems Engineer on a major programme involving accepting and integrating deliveries from suppliers. You will work 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, 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 Systems Engineering environment
• Excellent customer facing skills, including ability to ingest large volumes of requirements and information to develop clear understanding of customer needs
• Understanding of 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

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 top 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 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 a core benefit, 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 provide the tools and flexibility to work smarter and align needs.

People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth while developing. We invest in technical academies, career rotations and career development plans.

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless and curious who ask, what’s next? before the dust settles on what’s now.

Pay Range: £47,500.00-£60,900.00. The Leidos pay range for this job level is a general guideline and not a guarantee of compensation. Factors include responsibilities, education, experience, knowledge, skills, and abilities, internal equity, market data, bargaining agreements, or other applicable laws.

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