Senior Systems Engineer

Salary: £15,000 - 20,000 per year

Requirements:

• 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

Responsibilities:

• 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

More:

We are Sirius Analysis, a rapidly growing consultancy firm delivering high-quality end-to-end consultancy services across risk and investment analysis to P3M. We work across multiple sectors, including defence, energy, and health, and our Systems Engineering team helps clients understand their challenges and find solutions through best-practice, systems-thinking approaches across the full lifecycle. This senior consultant role is based in Portsmouth on a hybrid basis and offers mentoring, internal and external training, access to subject matter experts, online learning packages, and a competitive benefits package that includes a 7% company pension contribution, additional holiday purchase options, private health care, life assurance, and an electric vehicle scheme.

last updated 37 week of 2026