Systems Engineer - Nuclear Hardening

Job Details

Security Clearance: Eligibility to gain SC Security Clearance, ideally Developed Vetting (DV).
Travel: couple of times a year.
Location: Portsmouth.
Employment Type: Full time.

Financial reward – competitive salary, annual profit share, contributory pension, share options, car leasing scheme, free onsite parking, tax‑free technology scheme, discounted shopping.

Work / Life Balance – 37‑hour week, flexible working around core hours, hybrid working, up to 2 days of TOIL per month.

Personal Development – personalised development plan, unlimited access to 10,000+ e‑learning courses, internal mobility including international opportunities.

Health & Wellbeing – 24/7 online GP and mental health support, Employee Assistance Programme, discounted family health/dental/eye insurance, cycle‑to‑work scheme, on‑site canteen and coffee shop, lunchtime pilates.

Family & Caregiving – life assurance, enhanced pay for parental leave (23 weeks at 100% pay), adoption, shared parental and caregiving leave.

Inclusive Environment – wellbeing room, multi‑faith room, Employee Representative Groups (Gender, LGBTQ+, International, Generational, Disability, Social & Cultural Diversity, Neurodiversity).

Due to new MOD, Government and SATCOM projects and expanded workload, we are looking for a Systems Engineer with Radiation Hardening / Nuclear Hardening experience. You will join a supportive team and work on stable, long‑term projects, seeing how your decisions impact end‑to‑end products manufactured onsite in clean rooms.

• Support the Systems team in designing, developing and capturing end‑to‑end needs and expectations while defining the boundary of the solution.
• Elicit and validate requirements for Nuclear Hardening, considering the full system life‑cycle.
• Identify mitigations to the Nuclear Hardening requirements based on the installation environment.
• Identify responses to the Nuclear Hardening requirements based on evaluation of Nuclear Hardening processes in the context of a military fixed ground installation.
• Produce Nuclear Hardening analysis and mitigation plans, including relevant test plans.
• Lead engagement with customers and test houses to fully define and agree the approach around Nuclear Hardening.
• Deliver safe systems that minimise operational costs and maximise performance and reliability throughout the product life‑cycle.
• Design and define possible architectures in collaboration with IS/IT specialists, considering constraints and trade‑offs.

• Experience in Radiation Hardening / Nuclear Hardening at systems level, including design and development.
• Understanding of how radiation impacts communications equipment.
• Experience with Verification and Validation (V&V).
• Strong analytical skills and ability to work with complex technical solutions.

The role supports flexible working arrangements. We welcome applications from individuals with disabilities or long‑term conditions under the Equality Act 2010, and we are a Disability Confident Employer. We remain committed to equal opportunities for all.