Principal Systems Engineer (IVV)

Role: Principal Systems Engineer (IVV) Location: Reading, Onsite Job Type: Permanent Salary: Competitive + Allowance + Bonus Industry: Defence, Cyber Overview Our client is looking for an experienced Systems Engineer to lead integration, verification, and validation (IV&V) across complex, multi-discipline defence projects. You'll work from concept to delivery, ensuring robust, compliant systems through hands-on leadership and technical oversight. Responsibilities of a Principal Systems Engineer: * Own IV&V strategy, plans, and execution across projects * Develop test rigs/fixtures and lead test campaigns (in-house & external) * Drive quality and assurance from requirements through to acceptance * Support qualification, safety, and security for test environments * Mentor junior engineers and contribute to continuous process improvement * Represent IV&V at reviews, audits, and customer events What You’ll Need: * Strong systems engineering background (hardware/software/firmware) * Extensive V&V and test equipment experience * Degree in Engineering, Physics, Maths, or related experience * Familiarity with ISO 15288, 29119, or similar standards Desirable: * INCOSE ASEP/CSEP * Experience with automated testing, scripting (Python, Bash, etc.) * EMC, TEMPEST, or environmental testing exposure Please note that candidates must meet relevant SC/DV clearance requirements