Work Environment: Exposure to weather, extreme heat or cold, high noise intensity level, atmospheric conditions, exposure to electrical shock, exposure to toxic or caustic chemicals, wet and/or humid, vibration, proximity to moving mechanical parts, working high exposure places. Service, troubleshoot, and repair complex equipment to include centrifugal and screw type chillers, central plants and all associated equipment, boilers, complete building systems, thermal storage systems, and complex specialty equipment.