The specialized professional focus will be on ammonia/refrigeration but their responsible will includes oversight of design, engineering, safety and quality support in the following utility equipment systems: Clean steam, RO systems, HVAC systems, plant steam systems, process chillers, compressed/process air, nitrogen, ammonia chillers, refrigeration process, and cooling towers. In-depth understanding of ammonia refrigeration systems, HVACR design, and related facility mechanical systems (water, steam, pumps, blowers, gas, compressed air, sanitation, vacuum).