Keywords: Building Engineer, Facilities engineer, facilities maintenance engineer, facilities operations engineer, HVAC systems, electrical plumbing, plumbing systems, mechanical systems, building automation systems, BAS, preventative maintenance (PM), corrective maintenance, infrastructure maintenance, critical building systems, pharmaceutical facilities, biotech facilities, regulated environment, GMP facilities, non-GMP spaces, laboratory environments, FDA-regulated operations, cleanroom, cleanroom support, SOP compliance, safety protocol, regulatory compliance, audits, EPA Universal Certification, facilities operations, vendor management, contractor coordination, on-call support, reliability. Responsibilities for the Building Engineer include: Monitoring, operating, and repairing building systems such as HVAC, electrical, plumbing, mechanical equipment, and building automation systems (BAS).