Senior Ammonia Refrigeration Technician

Lineage Logistics; University Park (IL); On-site; USD 40,000 - 68,000; Full time

Benefits offered by this job

Health benefits

401k plan

Paid time off

Bonus eligibility

Job summary

Lineage Logistics is seeking a Maintenance Technician III (Ammonia Refrigeration) near University Park, IL to maintain industrial refrigeration and power systems in a temperature-controlled facility. The role requires hands-on testing, inspections, and adherence to safety and regulatory standards.

You will troubleshoot ammonia systems, perform predictive maintenance, and document activities in CMMS while coordinating with contractors and cross-functional teams.

Qualifications

• 2+ years of industrial refrigeration experience (ammonia, Freon, CO₂).
• 3+ years of mechanical/electrical maintenance in a warehouse, processing, or manufacturing environment.
• Basic 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 basic computer applications (Word, Excel, CMMS).
• Ability to work in extreme temperature environments (−20°F to 100°F) and lift up to 40 lbs.
• Flexible to work various shifts, weekends, and overtime as needed.
• Preferred: RETA, GCAP, or IIAR certifications such as CARO, CIRO, or Operator I/II; willingness to obtain within 6 months of hire.

Responsibilities

• Perform preventive, predictive, and corrective maintenance on industrial refrigeration, electrical, mechanical, and building systems to ensure optimal uptime and safety.
• Troubleshoot and repair ammonia compressors, condensers, evaporators, valves, and controls in compliance with all PSM/RMP and IIAR standards.
• Conduct regular inspections, performance testing, and calibration of refrigeration and electrical components to maintain system integrity and efficiency.
• Document all maintenance activities and parts usage in the CMMS.
• Support and monitor contractors working on or near refrigeration systems, ensuring full adherence to safety protocols.
• Communicate system status, findings, and maintenance recommendations clearly to leadership and cross-functional teams.

Skills

Industrial refrigeration

Electrical maintenance

P&ID knowledge

Documentation

CMMS proficiency

Communication

Safety compliance

Temp extremes

Education

Trade school or equivalent training

Tools

Microsoft Word

Excel

CMMS

Job description

Lineage Logistics is seeking a Maintenance Technician III (Ammonia Refrigeration) near University Park, IL to maintain industrial refrigeration and power systems in a temperature-controlled facility. The role requires hands-on testing, inspections, and adherence to safety and regulatory standards.

You will troubleshoot ammonia systems, perform predictive maintenance, and document activities in CMMS while coordinating with contractors and cross-functional teams.