Senior System Engineer

Senior Systems Engineer – Defence Sector Location : Bristol, Portsmouth, Weymouth or Surrey, hybrid. Salary : £48,000-£52,000 plus package. Security Clearance : Sole British Nationals only – due to the nature of projects, candidates must be eligible to obtain UK Security Clearance. About the Role Copello are seeking an experienced Systems Engineer to join a growing team delivering cutting-edge projects within the UK Defence and Security sector. This is an exciting opportunity to contribute to technically challenging and meaningful programmes that make a real difference to national capability. As a Senior Systems Engineer, you’ll play a key role across the systems lifecycle, from requirements definition and design through to verification and validation. You’ll work collaboratively with multi-disciplinary teams and customers to ensure solutions are delivered to a high technical standard. Key Responsibilities • Develop and manage system requirements using IBM DOORS or similar tools. • Contribute to system design, integration, and verification activities. • Produce clear and concise technical documentation and design artefacts. • Support design reviews, stakeholder meetings, and technical workshops. • Apply systems engineering best practice in line with defence standards. • Collaborate across disciplines including software, hardware, and safety teams. About You • Minimum 3 years’ experience in a Systems Engineering role, ideally within Defence, Aerospace, or a regulated engineering environment. • Familiarity with requirements management tools such as DOORS. • Strong understanding of the systems engineering lifecycle and V-model. • Excellent communication and stakeholder management skills. • Eligible to obtain SC (Security Check) clearance.

Location: Bristol,, GB

Posted Date: 11/1/2025