Systems Engineer

Company: Leidos LLC
Apply for the Systems Engineer
Location: Farnborough
Job Description:

Systems Engineer (System Design Specialist) (T3) Location: Farnborough, UK Security Clearance Level: High – DV ‘Developed Vetting’

UNLEASH YOUR POTENTIAL Everything we do is built on a commitment to do the right thing for our customers, our people and our community. Our mission and our values guide the way we do business. The foundation of our Leidos culture is our Values, Beliefs and Expectations by which we select, recognise and reward employees. They create the environment that drives us toward our mission. Inspired to make a difference, we are committed to solving the world’s toughest problems. Passionate about customer success by being determined to understand and respond to our customers’ needs as if they were our own. United as a team, we are bound together by our conviction that ethics and integrity is core to how we operate. Leidos has more than 30 years’ experience of developing and running some of the largest government systems in the world. We are currently hiring to expand our UK based technical team who support our delivery for the UK Govt. Come join our team and further develop your skills as we deliver and support systems key to the defence of the UK and partner nations. Being part of the Leidos team is a commitment to push yourself and those around you to do better, constantly adapt and learn new technologies. We’re a passionate team and are committed to developing and growing our staff. Leidos is a global science and technology solutions leader working to solve the world’s toughest challenges in the defence, intelligence, homeland security, civil, and health markets. The company’s 33,000 employees support vital missions for government and commercial customers.

WHAT WILL YOU BE DOING?

Role Overview

We are in search of a Systems Engineer for our Leidos engineering capability. The successful Systems Engineer will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Engineer involving integrating software products 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 a focus on the low level system design.

Key Responsibilities

  • Requirements Management – Lead the design of sub-systems, ensuring all components function cohesively to meet specified requirements.
  • Liaise with stakeholders (both technical and non-technical) to gather, analyse, and refine system requirements.
  • Support the definition and design of interfaces.
  • Create and maintain detailed system design documentation, including specifications, diagrams, and interface definitions.
  • Conduct feasibility studies and risk assessments to determine optimal system design solutions.
  • Collaborate with multidisciplinary teams to ensure seamless integration of hardware, software, and network components.
  • Support the validation and verification of system designs.
  • Identify opportunities for system improvements and drive the implementation of best practices in design and integration.
  • Support project planning and estimation activities related to systems design and integration tasks.
  • Ensure compliance with relevant industry standards, safety regulations, and quality assurance processes.

Essential Skills & Experience

  • Proven experience in system design within a relevant industry.
  • Strong understanding of systems engineering methodologies, lifecycle management, and design principles.
  • Excellent analytical, organisational, and communication skills.
  • Demonstrated ability to manage multiple priorities and work effectively in cross-functional teams.

Desirable Experience

  • Experience with Agile methodologies.
  • Experience with ArchiMate and TOGAF.
  • Background in cybersecurity and/or cloud systems.
  • Knowledge of secure by design guidelines.
  • Knowledge of JSP 465.

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

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.

Pay Range

£47,600.00-£61,000.00

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.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com.

Commitment 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. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Posted: October 3rd, 2026