2-3 years supervisory experience in a manufacturing, facilities, utilities or maintenance environment; 3-4 years supervisory experience with ammonia refrigeration system; Mechanical skills and electrical troubleshooting; Requires physical exertion to manually move, lift, carry, pull or push heavy objects and materials; Must work indoors in cold temperature environment and outdoors; RETA Certification as an ammonia operating engineer a plus; solid working knowledge of ammonia refrigeration is a must. This position supports the daily business to the factory by operating and maintaining crucial components of our processes to include water systems, industrial wastewater, comfort heating and cooling, electrical systems, lighting, building, grounds, gates, doors, automatic doors, ammonia refrigeration system, compressed air and nitrogen, hydraulic power system, and Fire System.