Americold
Green Bay, WI
Pay: $32-$42/hr
Shift: nights
Caledonia Cold Storage is hiring three Ammonia Refrigeration Operators for its night crew at a 165,000 sq ft PSM-covered cold storage facility in Green Bay, WI. The role involves hands-on operation and maintenance of a two-stage ammonia system with screw and reciprocating compressors, evaporative condensers, and a central control room. Operators log daily readings, perform PMs, charge and transfer ammonia, respond to alarms, maintain PSM paperwork, and support annual inspections. Night shift runs 6 PM–6 AM on a 2-2-3 rotation with 5–10 hours of overtime per week.