> Markdown version of [/jobs/ext/3642533-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3642533-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - **Company:** Leidos, Inc. - **Location:** Whiteley, UK - **Salary:** £45,870.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Systems Engineering, Network Interface Controllers, Subsystems, Systems Modeling Language, Systems Integration, Togaf - **Published:** October 9, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5918842892 ## About the Role 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)., * 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 ## Description Due to growth within UK programmes, we will need talented Systems Engineers throughout the course of 2026…, * 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