Assess the condition of and maintenance processes employed in heat rejection systems such as CRAC, CRAH, Chillers, Boilers, open cooling towers, closed loop cooling towers, air cooled chillers, glycol heat exchangers, split systems, condenser piping loops and related mechanical heat transfer equipment. Must be fully competent in the skills required to correctly interpret a mechanical one-line drawing reflecting facility HVAC (Heating, Ventilation, Air-Conditioning) systems typically employed in mission critical facilities from central mechanical cooling to computer room air conditioner (or air handling unit).