Job Summary Independently performs complex preventive maintenance, troubleshooting, and repair of HVAC/R systems. Serves as a technical resource for lower‑level HVAC technicians and assists with training and project execution. Note: The term HVAC/R relates to Heating, Ventilation, Air Conditioning and Refrigeration. Principal Accountabilities Perform preventative maintenance as per established preventative maintenance program, and demonstrate proactive maintenance procedures. Responds to and completes HVAC/R work requests and provides guidance and training to lower‑level HVAC technicians. Troubleshoot and make repairs to heating and direct expansion HVAC/R systems, electrical wiring related to HVAC/R equipment, soldering or welding of Freon or water lines, replacing HVAC components of units and replacing complete HVAC units. Monitor computerized HVAC/R based control systems. Participate in projects relating to the HVAC/R department and systems. Participate actively in established safety programs designed to provide a safe work environment. Maintain a parts inventory for common repairs. Provides training and guidance to lower-level HVAC technicians and supports optimization of energy management and control systems. Perform other related tasks as assigned.