Responsibilities: Ensures success in the execution of all operation, maintenance, and modification of all critical environment building systems tasks assigned, including mechanical (HVAC, computer room air conditioners, chillers, and plumbing), electrical (UPS, DC battery systems, PDU, generators, transfer switches, and switchgear), cabling (data and voice, broadband), fire detection and suppression, life safety, lighting, temperature control systems, building management systems, and digital systems (fire alarm, duress, card access, CCTV). Work requires strong formal conduct of operations skills, technical expertise, team accountability, and flawless execution of work activities commensurate with a high-risk critical environment and associated expectations for exceptional customer satisfaction and confidence.