**Description** **Qualifications:** + Must have clear understanding of refrigerant expansion with pressure temperature variables + Must be able to direct and train operators + Working knowledge of departmental PC’s + Must perform as a Hazardous Material (HAZMAT) team member + High school or equivalent with 2-4 years + Must pass operator certifications CARO and / or CIRO, or willing to become certified + Must be able to read and use dial gauges, micrometers, etc + in the alignment of motors, pumps, etc. experience in ammonia or Freon refrigeration, boiler operations, and compressed air + Occasional exposure to carbon dioxide vapors 10ppm and chlorine less than 20 ppm + Able to stand for several hours + Work may include lifting (up to 50 lbs), reaching, bending, pushing boxes on conveyor assembly **Responsibilities:** + Maintains, repairs, rebuilds and adjusts ammonia refrigeration, and equipment in areas of responsibility by analyzing, calibrating, replacing, repairing or rebuilding all equipment and machinery within established guidelines + Must have all required personal tools and have the ability to learn to use and operate hand tools and industrial shop equipment + Must be able to work swing + Must supply own hand tools necessary to operate system, perform preventive inspections and make repairs + Must perform all tasks and repairs within the Company Safety Policies and procedures and be part of the PSM team, be FIT tested for a respirator + Must be able to walk a long distance in the performance of rounds and checks throughout the shift on the complete Ammonia System + Must be able to safely isolate and pump down any section of all systems + Must be able to do line opening procedures + Must be qualified to receive or transfer ammonia in all plant systems + Must be qualified to do routine maintenance on : Ammonia compressors + Troubleshoot and repair Electrical Controls on the Refrigeration and Ammonia Systems + Maintain all engine rooms, compressor rooms and roof areas in a high state of cleanliness at all times **EOE/M/F/Vet/Disabled**