The Facilities Maintenance Supervisor oversees daily maintenance operations across multiple facilities, ensuring maximum uptime of critical utilities and infrastructure , system that include but are not limited to : HVAC; DIW, ROW, PCW, and CW; compressed air and vacuum, industrial gas and chemical delivery, electrical distribution, process and building plumbing, and cleanroom environments . Preventive Maintenance Oversight — Plan, schedule, and manage PM activities across HVAC (Class 10 - 1000 cleanrooms) , water systems , compressed air and vacuum systems , industrial gases and chemical d elivery systems , electrical distribution, and process p iping systems.