Analyze conditions, troubleshoot failures, repair, and perform preventive/predictive maintenance on industrial refrigeration systems including ammonia and HFC (R-507) systems, refrigeration racks, compressors, condensers, evaporators, pumps, valves, controls, and associated utilities. The Industrial Refrigeration Technician will troubleshoot, repair, and maintain complex refrigeration systems utilizing ammonia and HFC refrigerants such as R-507, including compressors, refrigeration racks, condensers, evaporators, controls, utilities, and associated process equipment.