Principal Mechanical Engineer - Vacuum Systems Lead

CT19 in Oak Ridge, TN is seeking a Principal Mechanical Engineering Specialist to lead the mechanical design, scale-up and industrialisation of specialised vacuum and process equipment. This hands-on technical leadership role moves complex hardware from prototype through detailed design, fabrication, integration, testing and production-ready release. You will own the mechanical execution across the full hardware lifecycle, collaborating with multidisciplinary teams, machine shops, and external