Industrial Ammonia Refrigeration Technician (On-Call)

IR Pros; South El Monte (CA); On-site; USD 39,000 - 55,000; Full time

Job summary

IRPros / PRAC – Precision Refrigeration & Air Conditioning seeks an experienced Ammonia Refrigeration Technician to service, maintain, install, repair, and troubleshoot industrial systems using ammonia. You will work at customer sites, handle complex equipment, and uphold safety and quality workmanship while communicating clearly with clients and team members.

The candidate should have hands-on ammonia refrigeration experience, strong mechanical troubleshooting skills, and be able to work

Qualifications

• Minimum 3–5 years HVAC experience in industrial/commercial environments.
• Ability to read and interpret schematics, blueprints, wiring diagrams, and manuals.
• EPA certification is preferred but not required.
• Valid driver’s license required; travel to customer sites.
• Willingness to work on-call hours and overtime as needed.

Responsibilities

• Perform service, maintenance, troubleshooting, and repair on industrial ammonia refrigeration systems.
• Diagnose issues with compressors, condensers, evaporators, pumps, valves, piping, controls, and VFDs.
• Conduct preventive maintenance and identify safety concerns or performance improvements.
• Assist with installations, startups, commissioning, and service projects at customer facilities.
• Respond to service calls and emergencies in a safe, timely, and professional manner.
• Read technical manuals and control drawings; communicate findings to customers and team.

Skills

HVAC experience

Technical troubleshooting

Reading schematics

EPA certification (preferred)

Valid driver’s license

On-call & travel readiness

Job description

IRPros / PRAC – Precision Refrigeration & Air Conditioning seeks an experienced Ammonia Refrigeration Technician to service, maintain, install, repair, and troubleshoot industrial systems using ammonia. You will work at customer sites, handle complex equipment, and uphold safety and quality workmanship while communicating clearly with clients and team members.

The candidate should have hands-on ammonia refrigeration experience, strong mechanical troubleshooting skills, and be able to work