> Markdown version of [/jobs/ext/4490869-senior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4490869-senior-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). --- # Senior Systems Engineer - **Company:** Sirius Analysis Limited - **Location:** Portsmouth, UK - **Experience:** Expert - **Salary:** £15,000.0 - £20,000.0 - **Contract:** Permanent contract - **Skills:** Business Analytics Applications, Systems Engineering, Requirements Management, Systems Architecture, Digital Twin, Computer Networking Systems, C4ISR, DOORS (Software), C4i, Togaf, SC Clearance, Modeling and Simulation - **Published:** November 1, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5946829058 ## About the Role * Proven track record of delivering engineering solutions * Sound understanding of systems engineering techniques and engineering management * Ability to develop technical solutions to business problems * Experience in one or more of the following areas: Space Systems, Telecommunications and Network Systems, Military C4I Systems, or Digital Engineering practices such as Modelling and Simulation or Digital Twins * Experience across the systems engineering lifecycle * Experience in Model Based Systems Engineering, using digital tools and models across the engineering lifecycle * Experience in enterprise architecture, or domain-specific architecture using frameworks such as TOGAF, NAF, or equivalent * Experience in requirements engineering and use of related tools such as IBM DOORS, Dimensions RM, or equivalent * Experience in creation and management of capability and technology roadmaps * Experience in stakeholder management, including workshop facilitation * Understanding and use of service management practices such as ITIL or eTOM * Professional registration with a relevant professional organisation, or willingness to work towards registration * Existing right to live and work in the UK * Willingness to undergo an internal baseline personnel security standard check before starting * Willingness and eligibility to complete a United Kingdom Security Vetting (UKSV) Security Check (SC) application upon starting * Ability to meet the usual UK residency expectation for SC clearance ## Description * Support delivery of technical consulting projects * Design, apply, and deliver systems engineering approaches to tackle real-world problems * Use capabilities in requirements management, system architecture, C4ISR, space engineering, modelling and simulation, and communications systems * Develop analytical tools and techniques, including novel approaches where required * Lead technical teams on short-term tasks and provide evidence-based analysis and recommendations to solve technical problems * Contribute to longer-term, large-scale programmes by delivering products and artefacts as part of a wider service or solution Technologies: * IBM * Support * ITIL * Network * Security * TOGAF