Advanced Ammonia Refrigeration Technician

Socket.dev; University Park (IL); On-site; USD 40,000 - 68,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401k retirement plan

Paid time off

Job summary

Lineage is seeking a Maintenance Technician III (Ammonia Refrigeration) for our industrial cold storage facility in Illinois. This hands-on role performs preventive, predictive, and corrective maintenance on refrigeration, electrical, and building systems to keep operations safe and reliable.

You will troubleshoot ammonia equipment, document activities in CMMS, coordinate with contractors, and ensure compliance with PSM/RMP and IIAR standards.

Qualifications

• 2+ years of industrial refrigeration experience (ammonia, Freon, and/or CO₂); trade school or equivalent training preferred.
• 3+ years of mechanical/electrical maintenance in warehouse, processing, or manufacturing settings.
• Understanding of electrical instrumentation, P&IDs, pneumatics and hydraulics.
• Strong problem-solving, communication, and documentation skills; able to convey technical details to non-technical audiences.
• Proficient in Word, Excel, and CMMS.

Responsibilities

• Perform preventive, predictive, and corrective maintenance on industrial refrigeration, electrical, mechanical, and building systems.
• Troubleshoot and repair ammonia components in compliance with PSM/RMP and IIAR standards.
• Inspect, test, and calibrate refrigeration and electrical components to maintain efficiency.
• Document maintenance activities and parts usage in CMMS.
• Coordinate with contractors and ensure safety protocols are followed.

Skills

Industrial refrigeration maintenance

Preventive maintenance

Troubleshooting

Documentation

Communication

Basic computing

Education

Trade school or equivalent training

RETA/GCAP or IIAR certifications (needed within 6 months)

Tools

CMMS

P&IDs

Electrical instrumentation

Job description

Lineage is seeking a Maintenance Technician III (Ammonia Refrigeration) for our industrial cold storage facility in Illinois. This hands-on role performs preventive, predictive, and corrective maintenance on refrigeration, electrical, and building systems to keep operations safe and reliable.

You will troubleshoot ammonia equipment, document activities in CMMS, coordinate with contractors, and ensure compliance with PSM/RMP and IIAR standards.