Principal Mechanical Engineer: Vacuum Valve Innovation Leader

MKS is seeking a seasoned engineer to develop and support vacuum valves, collaborating cross-functionally across product management, manufacturing, supply chain and applications. You will lead design, testing, and production transfer through the PDP, mentoring junior staff and ensuring high reliability. The role requires hands-on prototype work, 3D CAD modeling, and strong analytical skills in mechanical, thermal, and vacuum domains, with up to 10% travel and an onsite work environment.