Outsource UK is looking for a Principal Thermal Mechanical Engineer to support advanced radar technology development in the defence sector. This senior-level contract role requires expertise in thermal management and mechanical systems across the full engineering lifecycle, including design, analysis, integration, and testing. The position involves leading engineering activities, mentoring teams, and working on cutting-edge projects. A competitive contract rate and hybrid working opportunities are available for successful candidates. #J-18808-Ljbffr