Industrial Refrigeration Service Technician - Ammonia Focus

Refrigeration Systems Construction and Service•Honolulu, HI
•$30 - $70

About The Position

RSCS and MRC are seeking experienced industrial refrigeration service technicians with hands-on ammonia field-service experience. The role involves working in the field to troubleshoot issues, communicate with customers, and help restore critical refrigeration systems safely and reliably. Technicians join a team of trade professionals supporting a growing Western U.S. service footprint. The technician services, repairs, and maintains industrial ammonia refrigeration systems; responds to emergencies and leaks; performs preventive maintenance, system evaluations, and startup support; and documents work accurately while following safety practices. The role requires independent field work, customer communication, and travel and on-call participation as needed. The companies offer a tiered hourly pay scale: Apprentice/Entry $20–$30, Technician (Early-Career) $30–$40, Journeyman (Mid-Level) $40–$50, and Senior/Field Supervisor $50–$70. Starting pay depends on verified experience, certifications, job scope, and potentially location. The highest end of the range is reserved for the highest-level Senior Ammonia Technicians and Field Supervisors.

Requirements

  • Proven industrial refrigeration field-service experience.
  • Hands-on experience with ammonia refrigeration systems.
  • Strong troubleshooting skills and safe work habits.
  • Ability to work independently in the field while contributing to a professional team.
  • Valid driver’s license and willingness to travel and participate in on-call service as needed.

Nice To Haves

  • Experience with compressors, controls, valves, motors, electrical troubleshooting, and system startups is strongly preferred.
  • RETA CARO/CIRO, OSHA, EPA Universal, welding, controls, or electrical experience is valued.

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 properly.
  • Travel and participate in on-call service as needed.

Benefits

  • Company truck and fuel card.
  • Company phone.
  • 100% paid employee medical coverage after 60 days.
  • Dependent coverage available after one year.
  • Dental, vision, and prescription options.
  • 401(k) with company match.
  • Paid holidays, vacation, and PTO.
  • Per diem when traveling.
  • Long-term opportunity with companies that invest in skilled tradespeople.
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