The Senior HVAC Technician is the senior, hands-on HVAC/R craft resource responsible for diagnosing, repairing, maintaining, installing, commissioning, and improving industrial HVAC/R systems and related plant utilities. Maintain and repair chillers, condensing units, rooftop and split systems, heat pumps, boilers, cooling towers, air handlers, exhaust systems, pumps, fans, coils, and related equipment.