A leading defense contractor in the UK seeks a Principal Mechanical Engineer to lead the design of systems for next-generation submarines. This hybrid role involves developing mechanical systems such as air purification and atmosphere monitoring. Candidates should have a degree in mechanical engineering, experience with rotating machinery, and knowledge of safety-critical systems. Benefits include a supportive work culture, lifelong learning opportunities, and a commitment to inclusivity. Closing date for applications is April 15, 2026. #J-18808-Ljbffr