Systems Engineer (Requirements andamp; Integration) - Defence/EW Luton (4 days on-site) £605/day (Inside IR35) 12-month contract SC clearance is essential We''re looking for an experienced Systems Engineer to support the development of complex defence systems, with a focus on requirements definition, system design, and interface management across a multi-disciplinary engineering environment. This role sits within a high performing team working on Electronic Warfare (EW) systems, offering exposure to cutting edge defence technology and collaboration with leading subject matter experts across domain, product, and engineering disciplines. What you''ll be doing Develop and refine system-level requirements from stakeholder needs Support system architecture and interface definition activities Contribute to design integration across multiple engineering domains Work across the full engineering life cycle, including: Integration, Verification andamp; Validation and Qualification support Collaborate closely within an Agile engineering environment Use model-based engineering approaches to support system understanding and design decisions Key skills Security cleared (SC) Strong background in Systems Engineering within Defence, Aerospace, or similar complex environments Experience working across the full engineering life cycle Knowledge of requirements engineering and system modelling approaches MATLAB (modelling/analysis) Cameo Systems Modeler (or similar MBSE tools) Understanding of