Systems Engineer

Leidos; Winchester; Hybrid; GBP 48,000 - 61,000; Full time

Benefits offered by this job

Contributory Pension Scheme

Private Medical Insurance

33 days Annual Leave (including public

Flexi Working

Job summary

Leidos UK is seeking a Systems Engineer to join a growing team delivering MBSE-driven systems across UK Air Traffic Management programmes. The role combines requirement development, architecture artefacts, and stakeholder collaboration with occasional travel to the Whiteley office near Portsmouth.

You will work across the full project lifecycle, producing designs, analyses, and compliance reports while leveraging DoORS and model-based methods to deliver integrated, secure solutions.

Qualifications

• Experience in systems engineering for complex or mission-critical environments.
• Knowledge of architecture modelling tools and languages such as SysML, TOGAF, MODAF, ArchiMate or similar.
• Experience developing requirements, system models, interfaces, and design artefacts using text-based and model-based approaches.
• Ability to collaborate effectively with customers, stakeholders, suppliers, and multidisciplinary teams.
• Experience evaluating solutions through trade studies, feasibility assessments, or technical analysis.
• Understanding of service-oriented, virtualised, or cloud-based architectures.

Responsibilities

• Deliver systems engineering activities across complex programmes and projects.
• Work with stakeholders, suppliers, and architects to define and manage system requirements.
• Develop requirements, models, designs, and architecture artefacts using MBSE approaches and tools such as DOORS.
• Support solution design, compliance activities, technical reviews, and project milestones.
• Produce engineering documentation including designs, analyses, compliance reports, and security, safety, and service-related artefacts.
• Conduct technical assessments, trade studies, and feasibility evaluations to support solution development.

Skills

Systems engineering

MBSE

Stakeholder collaboration

Architectural modelling

Tools

DOORS

Job description

Description

Systems Engineer

Location: This is a Hybrid role. Whiteley, Hampshire

Clearance Required: This role will require attainment and maintenance of SC clearance

About Leidos

At Leidos, we deliver innovative technology and solutions that help safeguard critical capabilities and transform frontline services. Our work in the UK spans Air Traffic Management, Public Services, Defence, Healthcare, Government, Safety, and Security, helping tackle some of the country's most complex challenges.

The Opportunity

We are looking for Systems Engineers to join our growing team. This is an exciting opportunity to contribute to a large-scale programme delivering critical infrastructure and services that will support the future of UK Air Traffic Management.

You'll work collaboratively with operational users, stakeholders, architects, customers, and suppliers to define and deliver systems engineering solutions across the full project lifecycle. A significant part of the role will involve developing both text-based and model-based requirements, architecture, and design artefacts.

While the role can be performed largely remotely, regular travel to our Whiteley office (near Portsmouth) will be required.

You will support the delivery of systems engineering activities across complex system integration programmes, with a particular focus on Model-Based Systems Engineering (MBSE).

Key responsibilities include:

• Deliver systems engineering activities across complex programmes and projects.
• Work with stakeholders, suppliers, and architects to define and manage system requirements.
• Develop requirements, models, designs, and architecture artefacts using MBSE approaches and tools such as DOORS.
• Support solution design, compliance activities, technical reviews, and project milestones.
• Produce engineering documentation including designs, analyses, compliance reports, and security, safety, and service-related artefacts.
• Conduct technical assessments, trade studies, and feasibility evaluations to support solution development.
• Contribute to the delivery of integrated solutions using COTS and bespoke technologies.

What We're Looking For

We welcome applications from candidates with a range of backgrounds and experiences. If you meet some of the criteria below, we'd still love to hear from you.

• Experience with systems engineering in complex or mission-critical environments.
• Knowledge of architecture modelling tools, frameworks, and languages such as SysML, TOGAF, MODAF, ArchiMate, or similar.
• Experience developing requirements, system models, interfaces, and design artefacts using text-based and model-based approaches.
• Ability to collaborate effectively with customers, stakeholders, suppliers, and multidisciplinary teams.
• Experience evaluating solutions through trade studies, feasibility assessments, or technical analysis.
• Understanding of service-oriented, virtualised, or cloud-based architectures.
• Strong communication skills, with the ability to explain technical concepts to a range of audiences.

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
• Flexi 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 worldsafer,healthier, andmore efficient through technology, engineering andscience.

Leidos 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.

Working together as Team Leidos we are helping to transform the UK's defence supply chain by providing an integration of a complex mixture of services, at low risk, using a modern suite of systems that will deliver one version of the truth. For the first time, the MOD will see the whole picture, as it is happening.

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 while 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 thatthat 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.

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.

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.

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.