The Senior HVAC Technician serves as 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. Install and repair authorized refrigerant, hydronic, steam/condensate, gas, compressed-air, and drain piping; fit, braze, support, insulate, pressure-test, and inspect completed work.