The ammonia refrigeration maintenance supervisor directs, oversees, and drives the day-to-day repairs, troubleshooting, and PM activities of the plant’s ammonia refrigeration system. This working supervisor oversees and actively participates in the work of 10-12 ammonia refrigeration techs. (Direct reports). The role partners with process maintenance, production, & quality to ensure 24/7 ammonia refrigeration systems meet the needs of site operations. The position reports to the Maintenance Manager and primarily works M-F schedule, with flexibility to cover early/ late shift, short-notice overtime, weekends, and holidays, as needed