Senior Ammonia Refrigeration Technician - Field Service

Refrigeration Systems Construction and Service; Chino (CA); On-site; USD 28,000 - 96,000; Full time

Benefits offered by this job

Medical coverage after 90 days

Dependent coverage available

Dental, vision & prescription

401(k) with company match

Paid holidays & PTO

Per diem for travel

Company truck and fuel card

Job summary

Refrigeration Systems Construction and Service is seeking experienced ammonia refrigeration service technicians to support field operations in the Western U.S. You will troubleshoot, service, repair, and maintain industrial ammonia systems, diagnosing issues in compressors, condensers, evaporators, pumps, and controls.

The role requires hands-on ammonia experience, strong troubleshooting, and the ability to work independently within a professional team.

Qualifications

• Hands-on experience with ammonia refrigeration systems required.
• Strong troubleshooting skills and safe work habits.
• Ability to work independently in the field while contributing to a professional team.
• Experience with compressors, controls, valves, motors, electrical troubleshooting, and system startups strongly preferred.
• RETA CARO/CIRO, OSHA, EPA Universal, welding, controls, or electrical experience are valued, but practical field skill matters most.
• Valid driver's license and willingness to travel and participate in on-call service as needed
• Top industry pay for proven ammonia experience

Responsibilities

• Troubleshoot, service, repair, and maintain industrial ammonia refrigeration systems.
• Diagnose issues involving compressors, condensers, evaporators, pumps, valves, controls, VFDs, and related equipment.
• Perform emergency service, leak response, preventive maintenance, system evaluations, and startup support.
• Read and work from P&IDs, electrical schematics, and control drawings.
• Communicate findings, repair needs, and recommendations clearly to customers and internal teams.
• Complete accurate field documentation and follow strong safety practices on every job.
• Help customers reduce downtime, improve reliability, and keep refrigeration systems operating as they should

Skills

Ammonia refrigeration

Troubleshooting

Independent fieldwork

Industrial refrigeration

Tools

P&IDs

Electrical schematics

Control drawings

Job description

Refrigeration Systems Construction and Service is seeking experienced ammonia refrigeration service technicians to support field operations in the Western U.S. You will troubleshoot, service, repair, and maintain industrial ammonia systems, diagnosing issues in compressors, condensers, evaporators, pumps, and controls.

The role requires hands-on ammonia experience, strong troubleshooting, and the ability to work independently within a professional team.