Ammonia Refrigeration Tech III - Precision Maintenance

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

Benefits offered by this job

401k

Paid time off

Bonuses

Holiday schedule

Job summary

Lineage, the world's leading temperature-controlled logistics company, seeks a Maintenance Technician III (Ammonia Refrigeration) to support our industrial cold storage facility. This hands-on role emphasizes precision, reliability, and compliance as you perform testing, inspections, and adjustments to meet exact safety standards.

You will maintain refrigeration, electrical, mechanical, and building systems, troubleshoot ammonia equipment, document activities in CMMS, and coordinate with

Qualifications

• 2+ years of industrial refrigeration experience (ammonia, Freon, and/or CO₂)
• 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

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

Mechanical maintenance

Electrical maintenance

Problem-solving

Communication

Documentation

Computer skills

Education

Trade school or equivalent training

Tools

CMMS

Excel

Word

P&IDs

Job description

Lineage, the world's leading temperature-controlled logistics company, seeks a Maintenance Technician III (Ammonia Refrigeration) to support our industrial cold storage facility. This hands-on role emphasizes precision, reliability, and compliance as you perform testing, inspections, and adjustments to meet exact safety standards.

You will maintain refrigeration, electrical, mechanical, and building systems, troubleshoot ammonia equipment, document activities in CMMS, and coordinate with