JOB DESCRIPTION SUMMARYAs a Maintenance Technician/Refrigeration you will be responsible for operating and maintaining the ammonia refrigeration system and all associated ancillary equipment.  You will work with mangers and other operators and technicians to provide refrigeration utilities to the plant.DUTIES AND RESPONSIBILITIES:Operate and maintain refrigeration equipment: Compressors, evaporative condensers, evaporators, vessels, pumps, valves, PSV/PRV, heat exchangers, auto purgers, ventilation fans, instrumentation, and controlsPeriodic maintenance using a Computerized Maintenance Management System(CMMS) and in accordance with PSM program, IIAR, ASHRAE, RAGAGEP, company SOPs, and/or OEM manuals.Using, maintaining, inspecting, and organizing tools required for the execution of maintenance procedures.Completing and retaining records such as PSM, maintenance, incidents, odor logs, emergency response, OEM manual recommendations, and others.Performing daily rounds/checks of the ammonia refrigeration system.Utilizing P&IDs, schematics, loop sheets, I/O diagrams, and other drawings in execution of duties.Conducting basic benchtop chemistry related to refrigeration system including evaporative condenser water, glycol, chilled water, anhydrous ammonia COA and etc.Monitoring controls, interfaces, and analyzing historical data to ensure optimal system performance and ability to intervene and make changes to restore system from upset conditions.Charging/discharging refrigeration system with anhydrous ammonia following written procedures.Performing Line break procedures when taking equipment components out of service for inspection and/or maintenance.Required member of emergency response team; PSM team; ER team.Respond to emergencies involving chemical spills .Participating in audits and inspections; implementing corrective actions from recommendations.Training other team members in routine work on refrigeration systems and ancillary equipment.