We are seeking a highly skilled and hands-on Senior Facilities Supervisor to support our semiconductor manufacturing operations by ensuring reliable and safe operation of all facility systems across a multi-building, campus-style environment. This role is critical in maintaining uptime for manufacturing, overseeing cleanroom-supporting utilities, and leading a team of technicians and contractors. The ideal candidate combines strong people leadership with deep technical knowledge of complex facility systems, including mechanical, electrical, plumbing, and process support infrastructure specific to semiconductor environments.