This role focuses on ensuring 100% uptime for mission-critical liquid-cooled and air-cooled GPU clusters, high-density server racks (50kW-240kW+ per rack), medium/low-voltage power distribution systems, Uninterruptible Power Supply (UPS) systems, main switchgear, and standby generators. Qualifications: Critical Power Systems: Hands-on experience maintaining, troubleshooting, and servicing UPS systems, medium- and low-voltage switchgear, isolation transformers, automatic transfer switches (ATS), diesel generators, PDUs, RPPs, and overhead busway systems.