Role: Senior Systems Engineer Location: Bristol Duration: 12 months Inside IR35: Umbrella About our client : Our client is a leading global aerospace, defense, and security company specializing in delivering complex, mission-critical solutions. With a strong heritage in engineering and innovation, they provide essential services across aviation, marine, land, and nuclear sectors, supporting governments, armed forces, and commercial clients worldwide. Renowned for their commitment to safety, sustainability, and technological advancement, our client plays a vital role in ensuring operational excellence for their customers. The Role: This role supports the full lifecycle of Systems Engineering activities within the Skynet SDW programme. Reporting to the Project Engineering Manager, you'll: Apply systems thinking and best practices to develop tailored engineering solutions. Develop and manage system-to-subsystem requirements, ensuring traceability and managing interfaces and trade-offs. Prepare and execute Test and Integration plans, including verification, qualification, and acceptance testing. Lead design reviews and support stakeholder presentations. Manage and mentor a team of engineers, working closely with the PM to meet timelines and resource needs. Bring knowledge of networks or satellite communications Who we're looking for:. Experience in a technical discipline with the confidence to work collaboratively within a multi-disciplinary team, and drive to think with a systems perspective. Ability to identify and manage interfaces, specifications, and certificates, producing boundary views. Proven ability to undertake technical management of internal and external sub-contractors with levels of delegated authority. Experienced in managing technical and project risks. SE expertise across the engineering lifecycle - V-Model or equivalent - from initial concepts, requirements, design, implementation, integration, verification, validation, maintenance, and supportability. Experience with using IBM DOORS and EA Sparx. Must have: Proven experience in Holistic Life Cycle Management with balanced competencies across the SE discipline. A good understanding of cross-domain and cross-boundary requirements and interfaces. Systems architecture and experience in leading small teams and projects. Knowledge of UK MoD KiD practices and ways of working. Practitioner in determining and managing stakeholder requirements, life cycle tailoring, verification, validation, and transition to operation. Conversant with accreditation standards for bringing into service telecommunications systems, including bespoke and COTS software applications. Desirable: Experience in both hardware and software engineering lifecycles. Knowledge or experience of Model-Based Systems Engineering (MBSE). Skills and Attributes Must hold or be able to obtain DV Clearance. If you're ready to take the next step in your engineering career and be part of a team delivering cutting-edge defence and satellite communication solutions, we encourage you to apply today