The Senior Facilities Maintenance Technician executes skilled and advanced maintenance work on building, utility, and mission-critical IT support systems, contributes to GMP documentation, responds to critical alarms, and supports the Lead Facilities Maintenance Technician with technical execution and mentorship of lower-level personnel. • Operate and support mission-critical IT data center infrastructure including Computer Room Air Conditioning (CRAC) units, Uninterruptible Power Supplies (UPS), battery strings; escalate complex events to the Lead Facilities Maintenance Technician.