This position is responsible for operation, replacement, repair, and maintenance of all HVAC related mechanical, electrical, control systems (excluding refrigeration cycle), air handling units, pumps, heat exchangers, expansion joints, and other building mechanical systems; Duties involve: operation, replacement, repair, and maintenance of all HVAC related mechanical, electrical, control systems (excluding refrigeration cycle), air handling units, pumps, motors, heat exchangers, and expansion joints; rebuilds pumps, installs mechanical seals, and pumps alignment, cleaning coils in air handling units and convectors to maintain optimum heat exchange; gas and arc welding as necessary to do repairs and fabrication; assembling, installing, repairing, and maintaining chilled and hot water systems; Routine and preventive maintenance duties including filter changes, lubrication, control and performance check; replace bearings, motors, and dampers; inspect mechanical/electrical systems, record inspections, write reports to supervisors; ability to use regular and special tools, wrenches, screwdrivers, hammers, adjustment gauges, multi-meters and lubrication equipment. Minimum of five (5) years experience in the operation, maintenance, and repair of HVAC, mechanical, electrical, and/or electronic systems (Journeyman certificate in a mechanical trade and 5 years of experience is preferred.).