Job Description The Job Mission This is a hybrid role, based in Bridgwater (Hinkley Point C). We can consider those within a commutable distance or open to relocation — with a relocation package available to support your move. As a Mechanical Commissioning Engineer, you’ll join the Nuclear Island team supporting key mechanical and process systems. Working with experienced leads, you’ll take ownership of defined systems and support commissioning documentation, testing, and validation. Key Responsibilities: Prepare commissioning documents and test procedures for assigned systems. Support readiness reviews and verify system pre-requisites are complete. Coordinate mechanical tests including flushing, leak tests, and pump runs. Analyse test results and produce clear, concise technical reports. Ensure all activities meet nuclear, environmental, and safety standards. Work with design and site teams to resolve technical issues quickly. Track system changes using approved configuration control processes. Support hazard identification and risk assessments for test activities. Participate in field execution of inspections and walk-downs. Build technical knowledge of assigned systems and plant operations.