Perform and oversee Preventive Maintenance (PM) and Corrective Maintenance (CM) activities on facility and utility systems, including but not limited to air handlers, exhaust systems, electric heaters, electric boilers, chillers, reverse osmosis (RO) systems, compressed gas filter housings, lighting, building management systems (BMS), access controls, and pest control systems. Ensure all maintenance activities are executed in compliance with Health, Safety & Environmental (HSE) policies and procedures, including lockout/tagout (LOTO), confined space entry, working at heights, contractor management, and other applicable safe work practices.