Industrial Refrigeration Service Technician - Ammonia Focus

Refrigeration Systems Construction and Service; California; On-site; USD 28,000 - 96,000; Full time

Benefits offered by this job

Top industry pay

Company truck

Fuel card

Dependent coverage

Dental and vision

401(k) match

Paid holidays

Per diem travel

Long-term opportunity

Robust benefits

Job summary

Refrigeration Systems Construction and Service in Los Angeles, CA, is seeking experienced ammonia refrigeration service technicians. You will walk into engine rooms, troubleshoot, and help restore critical systems to safe, reliable operation.

Join a team of trade professionals with strong workmanship and a growing Western U.S. service footprint. The role requires field experience, safety focus, and the ability to communicate findings clearly to customers and colleagues.

Qualifications

• Ammonia refrigeration experience is required.
• Strong troubleshooting skills and safe work habits.
• Ability to work independently in the field and as part of a professional team.
• Experience with compressors, controls, valves, motors, electrical troubleshooting, and system startups is preferred.

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

Field service

Electrical troubleshooting

P&ID reading

Customer communication

Tools

RETA CARO/CIRO

OSHA

EPA Universal

Welding

Job description

Refrigeration Systems Construction and Service | Full time

Los Angeles, United States | Posted on 10/21/2026

RSCS believes in the pursuit of service excellence. Treating employees and customers as family and striving toward continual growth and improvement lie at the heart of RSCS core values.

Job Description

About the Opportunity

RSCS and MRC arelooking for experienced ammonia refrigeration service technicianswho know the trade, take pride in their work, and can perform in thefield when customers are counting on them.

This role is forskilled industrial refrigeration professionals with real ammoniafield-service experience — technicians who can walk into an engineroom, troubleshoot the issue, communicate clearly with the customer,and help get critical systems operating safely and reliably again.

You will join a teamof trade professionals who understand industrial refrigeration,value strong workmanship, and support one another across a growingWestern U.S. service footprint.

Requirements

What You’ll Do

• Troubleshoot,service, repair, and maintain industrial ammonia refrigeration systems
  
• Diagnose issuesinvolving compressors, condensers, evaporators, pumps, valves,controls, VFDs, and related equipment
  
• Perform emergencyservice, leak response, preventive maintenance, systemevaluations, and startup support
  
• Read and work fromP&IDs, electrical schematics, and control drawings
  
• Communicatefindings, repair needs, and recommendations clearly to customersand internal teams
  
• Complete accuratefield documentation and follow strong safety practices on every job
  
• Help customersreduce downtime, improve reliability, and keep refrigerationsystems operating as they should
  

What We’re Looking For

• Hands-onexperience with ammoniarefrigeration systems required
  
• Strongtroubleshooting skills and safe work habits
  
• Ability to workindependently in the field while contributing to a professional team
  
• Experience withcompressors, controls, valves, motors, electricaltroubleshooting, and system startups strongly preferred
  
• RETA CARO/CIRO,OSHA, EPA Universal, welding, controls, or electrical experienceare valued, but practical field skill matters most
  
• Valid driver’slicense and willingness to travel and participate in on-callservice as needed
  

What We Offer

• Top industry pay forproven ammonia experience
  
• Company truck andfuel card
  
• Dependent coverageavailable after one year
  
• Dental, vision, andprescription options
  
• 401(k) with company match
  
• Paid holidays,vacation, and PTO
  
• Per diem when traveling
  
• Long-termopportunity with companies that invest in skilled tradespeople
  

We use a tiered hourly payscale across RSCS and MRC for technician roles: Apprentice/Entry $20–$30 , Technician (Early-Career) $30–$40 , Journeyman (Mid-Level) $40–$50 , and Senior/Field Supervisor $50–$70 (top end reserved forhighest-level Senior Ammonia Technicians and Field Supervisors). Starting pay is based on verified experience,certifications, and job scope (including on-call/travel asapplicable) and may vary by location due to local market and cost ofliving; hiring managers set the final starting rate within theappropriate tier. We also offer a robust benefits package .