Refrigeration Technician III

Lineage•Rochelle, IL

8d•$29 - $49

About The Position

Lineage is seeking an intermediate- to advanced-level Maintenance Technician III (Ammonia Refrigeration Technician) to help maintain an industrial cold storage facility and the equipment that supports its operations. This hands-on role involves testing, inspecting, and adjusting systems to meet design and safety standards, with an emphasis on precision, reliability, compliance, and equipment uptime. The technician performs preventive, predictive, and corrective maintenance on refrigeration, electrical, mechanical, and building systems; troubleshoots ammonia refrigeration equipment; documents maintenance work; supports contractors; and communicates system status and recommendations to leadership and cross-functional teams. The role offers opportunities to develop refrigeration expertise and pursue relevant certifications. The posted shift is Wednesday through Saturday, 6:00 p.m. to 4:00 a.m., with a $1.00 per hour shift differential. The pay range is $29.13–$49.13 per hour. The work may involve extreme temperatures from −20°F to 100°F and lifting up to 40 pounds.

Requirements

At least 2 years of industrial refrigeration experience involving ammonia, Freon, and/or CO₂.
At least 3 years of mechanical/electrical maintenance experience in a warehouse, processing, or manufacturing environment.
Basic understanding of electrical instrumentation, P&IDs, pneumatics, and hydraulics.
Strong problem-solving, communication, and documentation skills, including the ability to explain technical details to non-technical audiences.
Proficiency in basic computer applications, including Word, Excel, and CMMS.
Ability to work in temperatures from −20°F to 100°F and lift up to 40 pounds.
Flexibility to work various shifts, weekends, and overtime as needed.

Nice To Haves

Trade school or equivalent training.
RETA, GCAP, or IIAR certification, such as CARO, CIRO, or Operator I/II; alternatively, willingness to obtain certification within 6 months of hire.

Responsibilities

Perform preventive, predictive, and corrective maintenance on industrial refrigeration, electrical, mechanical, and building systems to support uptime and safety.
Troubleshoot and repair ammonia compressors, condensers, evaporators, valves, and controls in compliance with PSM/RMP and IIAR standards.
Conduct inspections, performance testing, and calibration of refrigeration and electrical components.
Document maintenance activities and parts usage in the Computerized Maintenance Management System (CMMS).
Support and monitor contractors working on or near refrigeration systems and ensure adherence to company and regulatory safety protocols.
Communicate system status, findings, and maintenance recommendations to leadership and cross-functional teams.