Under limited supervision, perform skilled work involving the operation, maintenance, repair, alteration and additions to Data Center systems including but not limited to, HVAC, electrical, plumbing, and mechanical building systems, building furnishings and site improvements. Must have Excellent understanding of the electrical and mechanical systems used in a data center environment, including: Feeders, Transformers, Generators, Switchgear, UPS systems, ATS/ STS units, PDU/PMM units, Chillers, Air handing units and CRAC units.