Hybrid Refrigeration Technician - Operator I or II (Ammonia) presso Frez-N-Stor

Description

 We are seeking a skilled Industrial Ammonia Refrigeration Technician to join our team. Depending on experience and certification, this role may be filled at the Operator I or Operator II level. The ideal candidate will have strong technical knowledge, a safety-first mindset, and the ability to support safe, efficient, and compliant operation of our ammonia refrigeration systems.

• Operator I: Experienced technician capable of daily rounds, preventive maintenance, and supporting safe system operation.
• Operator II: Advanced technician capable of troubleshooting, leading PMs/repairs, and supporting system optimization and PSM/RMP compliance.

We are especially interested in Operator II-level candidates, but will consider strong Operator I candidates ready to grow.

Key Responsibilities

• Perform daily rounds: record pressures, temperatures, oil levels, defrost cycles, and system trends.
• Start, stop, and monitor compressors, pumps, evaporators, and condensers; ensure proper operation per SOPs.
• Respond to alarms and support troubleshooting of mechanical/electrical issues; escalate complex issues.
• Complete preventive maintenance and minor repairs; assist with overhauls, valve replacements, and seal work depending on skill level.
• Support optimization of system performance, including setpoints, sequencing, and defrost strategies  (Operator II focus).
• Maintain accurate logs, PM  records, and shift handoffs in CMMS; ensure documentation is audit-ready.
• Follow and enforce safety practices: PPE, LOTO, confined space, hot work, and ammonia handling protocols.
• Participate in PSM/RMP activities (MOC, incident investigation, PHAs, emergency response drills).
• Mentor junior team members and promote safe, efficient practices.
• Maintain housekeeping standards in engine room and mechanical spaces.

Requirements

Required (both levels):

• High school diploma or GED.
• EPA 608 Universal certification preferred
• 2+ years’ experience in  industrial refrigeration, ammonia preferred.
• Ability to work in cold environments, climb ladders/stairs, and lift up to 50 lbs.
• Strong safety orientation and teamwork.

Operator I Level:

• RETA CARO (or ability to obtain within 12 months).
• Competent with daily rounds, logging, PMs, and basic troubleshooting.

Operator II Level:

• RETA CIRO preferred (or ability to obtain within 12 months).
• 4+ years of ammonia refrigeration experience, with advanced troubleshooting and system optimization skills.
• Familiarity with IIAR standards, PSM/RMP program requirements, and contractor/vendor coordination.