Clearance Requirements: Must currently hold UK DV Clearance for this position. This job is based on site in Herefordshire 4 days a week Are you an experienced Test Engineer with a passion for systems integration and verification? We''re looking for a Senior Test Engineer to join our dynamic team and play a key role in delivering critical infrastructure projects that support the future of UK National Security. In this role, you''ll lead integration and verification (Iandamp;V) activities, working closely with customers, suppliers, and internal teams to plan, design, and execute system integration tests. This is a fantastic opportunity to contribute to a high-impact programme while advancing your career in a collaborative and forward-thinking environment. What You''ll Be Doing Leading a small team to deliver high-quality testing within key programme areas, ensuring milestones are met. Collaborating with the Iandamp;V leadership team to manage service delivery, resolve issues, and support planning and reporting. Reviewing requirements and design documentation to define comprehensive test scopes. Creating and reviewing test plans and designs, ensuring full coverage in collaboration with third-party suppliers. Continuously improving testing processes and documentation. Producing detailed test reports and tracking progress throughout the testing life cycle. What We''re Looking For Essential Skills andamp; Experience: Proven experience in a senior or lead testing role, with ISTQ