Minimum of five (5) years in a telecommunications of all Critical Infrastructure Critical Infrastructure (CI) equipment: AC power distribution, buildings, grounding, fire systems, generators, ATS/ MTS, Uninterruptible Power Systems (UPS), DC Power Plant Systems, and Cooling systems to ensure operational integrity, improve efficiency and reduce operational costs. The applicant will design and specify material for AC and DC power equipment including commercial AC power building entries, switchboards, transformers, generators, UPS backup systems, rectifiers, power distribution, batteries, grounding systems, fire control systems, HVAC, and additional materials required to support installation.