We are hiring an Lead AIT Engineer to join a growing manufacturing team focused on cleanroom assembly, integration, and testing of rocket engine systems. You will responsible of cleanroom AIT process, from developing procedures and tooling to executing tests aligned with technical requirements. Key Responsibilities: Full ownership of cleanroom AIT activities for engine systems Develop assembly and test plans, tooling, documentation, and test procedures Manage cleanroom area, safety, and staff training Support technical reviews and milestones (PDR, CDR, TRR) Requirements: Strong experience in cleanroom assembly and test Degree in Engineering or equivalent experience Familiarity with space propulsion systems Organised, proactive, and confident engaging with technical teams Project management experience preferred Space sector experience is a plus