Comprehensive knowledge in three or more of: RETA certification, ammonia refrigeration, engine and boiler systems, electricity and motor controls, controls and instrumentation, PLC software and hardware, pneumatics and hydraulics, mechanical systems, predictive/preventive maintenance, maintenance planning, site utilities, system analysis and troubleshooting, pipefitting and welding, machining, metal fabrication. High school diploma or GED and 1+ years of related experience or training in industrial mechanical maintenance or food manufacturing; or 4 years of direct industrial or food manufacturing maintenance experience.