The Facilities Engineer will work closely with Engineering, Validation, Quality Assurance, Operations, EHS, and external vendors to establish robust preventive maintenance and calibration programs, develop maintenance strategies within the Computerized Maintenance Management System (CMMS), support commissioning and qualification activities, and ensure facility utilities remain reliable, compliant, and inspection-ready. Owns, supports, and performs routine preventative maintenance on facilities equipment (HVAC, BAS/BMS, Cleanroom EMS, Boilers, Chillers, Air compressors, Technical gasses, emergency generators, UPSs, Electrical, Lighting, Fire alarm/suppression, and building infrastructure).