Software Test Engineer - Systems Integration & Validation Hybrid working - 3-4 days on-site £42,000 - £50,000 The Opportunity We have an exciting opportunity to join the Integration & Systems Validation Team within our Weapon Systems Simulation & Experimentation (WSSE) department. This team sits at the heart of our digital simulation and experimentation capability , ensuring complex systems are rigorously tested, validated, and ready for delivery. You'll work on cutting-edge simulation environments that integrate real products, models, synthetic environments, and people across the full systems lifecycle. This is a dynamic, fast-paced role offering exposure to both rapid mini-projects and longer-term critical programmes, from early concept demonstration through to system delivery and customer training. What You'll Be Doing Reporting to the ISV Team Lead, you'll be responsible for the end-to-end software testing and proving lifecycle for one or more products within a simulation or emulation environment. Test & Proving Planning Understand customer needs and requirements from a testing and proving perspective Review system design and architecture to define test bed requirements Develop comprehensive softwa...