Technical knowledge and understanding of mission critical systems, including HVAC, Standby emergency power, uninterruptable power supplies, computer room air conditioning/handling, associated infrastructure and the interdependency of these systems in delivering 100% Uptime. Electrical (Uninterruptible Power Supply, Automatic Transfer Switch, Static Transfer Switch and Power Distribution Unit), generators, generator controls, fuel systems, switch gear, transfer gear and paralleling gear, lighting, energy conservation.