Senior Systems Engineer Salary: £43,500 – £58,500 per annum Location: Greenford, Hybrid | Flexible Hours | Early Friday Finish Are you an experienced Systems Engineer ready to take a leading role in developing cutting-edge defence technology? This is an opportunity to join a world-class engineering environment focused on delivering advanced, multi-mission solutions for global naval customers. You will work at the forefront of Anti-Submarine Warfare (ASW) innovation, supporting next-generation systems for international defence partners. If you thrive in complex engineering environments and enjoy owning technical direction, this role offers the challenge, autonomy and impact you're looking for. What You'll Be Doing Leading systems engineering work packages across complex, multi-disciplinary projects Applying broad engineering expertise to solve highly technical problems Defining and managing system and subsystem requirements Leading system design activities including functional and non-functional analysis Conducting trade studies to drive optimal design decisions Owning the Integration, Verification & Validation (IVV) strategy Supporting bid and proposal efforts Leading technical reviews, risk management and continuous improvement initiatives Mentoring and coaching junior engineers Contributing to the business' digital transformation What You'll Bring 5 to 10 years' experience in Systems Engineering. Strong knowledge of the systems engineering lifecycle, processes and methodologies Experience delivering solutions across the full project lifecycle Excellent stakeholder communication, including customer and senior leadership engagement Experience delivering and managing KPIs Degree in Systems Engineering, Electrical Engineering or related discipline (or equivalent experience) Experience with tools such as DOORS, UML tools, ERP and configuration management platforms Highly Desirable: Experience with EMI/EMC design, integration and testing Familiarity with MIL-STD environmental and EMC standards Sonar systems or naval deployment experience Knowledge of safety, ILS, or cyber security Security clearance eligibility is essential due to programme requirements. Why Apply? | Exceptional Benefits Optional 9-day fortnight TOIL and flexible working hours 1pm finish every Friday Hybrid working (role dependent) Annual bonus Casual dress 25 days holiday Christmas shutdown Holiday buy/sell scheme Private healthcare, dental & critical illness options (salary sacrifice) Reward hub with 200 discounts 4x salary life cover Pension: 5% employer / 4% employee (with flexible contribution options) If you're motivated by high-stakes engineering challenges and want to contribute to next-generation naval defence capabilities, this is a career-defining opportunity.