Refrigeration Technician III

Lineage; University Park (IL); On-site; USD 4,013,000 - 6,768,000; Full time

Benefits offered by this job

Medical, dental, and life insurance

401k retirement plan

Paid time off & holidays

Job summary

Lineage is seeking a Maintenance Technician III (Ammonia Refrigeration) to support our industrial cold storage facility in the United States. You will perform preventive and corrective maintenance on refrigeration and electrical systems, troubleshoot ammonia equipment, and document activities in CMMS.

Flexibility for overtime and extreme temperatures is required. Ideal candidates have 2+ years in industrial refrigeration plus 3+ years mechanical/electrical maintenance in similar settings.

Qualifications

• 2+ years in industrial refrigeration (ammonia, Freon, CO2).
• 3+ years mechanical/electrical maintenance in warehouse/manufacturing.
• Basic understanding of electrical instrumentation, P&IDs, pneumatics, hydraulics.
• Strong problem‑solving, communication, and documentation skills.
• Proficient with Word, Excel, and CMMS.

Responsibilities

• Perform preventive, predictive, and corrective maintenance on refrigeration, electrical, mechanical, and building systems.
• Troubleshoot ammonia systems (compressors, condensers, evaporators, valves, controls) per PS/RMP and IIAR.
• Inspect, test, and calibrate refrigeration and electrical components for integrity.
• Document maintenance activities and parts usage in CMMS.
• Monitor contractors near refrigeration systems, ensure safety compliance.
• Report system status and recommendations to leadership.

Skills

Industrial refrigeration

Mechanical maintenance

Electrical maintenance

Instruments & controls

P&IDs

Pneumatics

Hydraulics

CMMS

Communication

Documentation

Extreme temperatures

Lifting 40 lbs

Shift flexibility

Education

Trade school training

Tools

CMMS

Word

Excel

Job description

Shift Schedule: Monday - Friday, 10:00am - 6:00pm (must be flexible to work outside of schedule work hours as needed)

Join Lineage – The World’s Leading Temperature-Controlled Logistics Company

At Lineage, innovation and efficiency drive everything we do. We are seeking a Maintenance Technician III (Ammonia Refrigeration Technician) at the intermediate to advanced level to support the upkeep of our industrial cold storage facility and the essential equipment that keeps operations running. This hands‑on role is perfect for technicians who take pride in precision, reliability, and compliance—performing regular testing, inspections, and adjustments to ensure every system operates to exact design and safety standards

Key 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 Computerized Maintenance Management System (CMMS).
• Support and monitor contractors working on or near refrigeration systems, ensuring full adherence to company and regulatory safety protocols.
• Communicate system status, findings, and maintenance recommendations clearly to leadership and cross‑functional teams.

Minimum Qualifications

• 2+ years of industrial refrigeration experience (ammonia, Freon, and/or CO₂); trade school or equivalent training preferred.
• 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; 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 Qualifications

• RETA, GCAP, or IIAR certifications such as CARO, CIRO, or Operator I/II are highly valued — or willingness to obtain within 6 months of hire.

Why Join Us

Be part of a team that values technical excellence, safety, and professional growth. You’ll have the opportunity to expand your refrigeration expertise, pursue RETA/GCAP certifications, and work with state‑of‑the‑art ammonia systems that power one of the most critical links in the global food supply chain.

Pay Range:$29.13 - $49.13

Why Lineage?

This is an excellent position to begin your career path within Lineage! Success in this role enables greater responsibilities and promotions! A career at Lineage starts with learning about our business and how each team member plays a part each and every day to satisfy our customers’ requirements. Beyond that, you’ll help us grow and learn on our journey to be the very best employer in our industry. We’ll ask you for your opinion and ensure we do our part to keep you developing and engaged as we grow our business. Working at Lineage is energizing and enjoyable. We value respect and care about our team members.

Lineage is an Equal Employment Opportunity Employer and is committed to compliance with all federal, state, and local laws that prohibit workplace discrimination and unlawful harassment and retaliation. Lineage will not discriminate against any applicant on the basis of race, color, age, national origin, religion, physical or mental disability or any other protected status under federal, state and local law.

Benefits

• Lineage provides safe, stable, reliable work environments, medical, dental, and basic life and disability insurance benefits, 401k retirement plan, paid time off, annual bonus eligibility, and a minimum of 7 holidays throughout the calendar year.