Under general direction performs maintenance, repair and operation of systems of data center cooling equipment (raised floor HVAC units, chillers, pumps, cooling towers) and electrical systems (generators, electrical distribution switchgear, UPS systems, battery strings, power distributions units). Performs advanced problem solving and repair of critical and non-critical equipment including Uninterruptible Power Supplies (UPS), Power Distribution Units (PDU), Emergency Generator, Fuel Oil Systems, Circuit Breakers, Substations, Computer Room Air Conditioning Units.