Commercial Low-Temperature Refrigeration Service Technician - Rack Refrigeration Focus

Refrigeration Systems Construction and Service | Full time

Phoenix, United States | Posted on 03/03/2026

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.

RSCS / MRC is a full-service commercial and industrial refrigeration construction and service company with 25+ years in business and operations across 10 states in the western U.S. We’re hiring Commercial Low-Temperature Refrigeration Technicians who enjoy hands‑on troubleshooting, take pride in clean workmanship, and like working on a variety of equipment brands across a broad customer base.

• Troubleshoot, service, and repair commercial low-temperature refrigeration systems (rack systems, cases, walk‑ins, freezers, remote condensing units, etc.)
• Diagnose and repair electrical systems, controls, and sensors (defrost, temperature control, pressure control, alarms)
• Perform compressor, fan motor, and component replacements (valves, solenoids, TXVs/EEVs, contractors, relays, etc.)
• Locate leaks, perform refrigerant recovery/evacuation/charging, and complete repairs safely and correctly
• Support start‑ups, system checks, and performance verification after repairs
• Communicate clearly with customers and document work performed (service notes, parts used, follow‑up needs)
• Participate in on-call rotation and travel as needed

• 3–5+ years of experience in commercial refrigeration (low-temp / racks preferred)
• EPA 608 certification (Universal preferred)
• Comfortable working independently in customer facilities and following safety procedures
• Willing to travel as needed and participate in an on-call rotation
• Able to work in typical field conditions (rooftops, ladders, tight spaces) and lift/carry job‑required tools/parts

• Strong troubleshooting mindset and solid refrigeration fundamentals
• Hands‑on, dependable, and takes ownership of the job
• Organized, detail‑oriented, and produces clean service documentation
• Team‑first attitude and professional customer communication

We use a tiered hourly pay scale 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–$65 (top end reserved for highest-level Senior Ammonia Technicians and Field Supervisors). Starting pay is based on verified experience, certifications, and job scope (including on‑call/travel as applicable) and may vary by location due to local market and cost of living; hiring managers set the final starting rate within the appropriate tier. We also offer a robust benefits package
.

• Company vehicle/truck and fuel (role-dependent)
• Medical, dental, and vision options
• 401(k) with company match
• Paid holidays and paid time off
• Per diem when traveling
• Career growth, training, and development opportunities

We do not accept unsolicited resumes or candidate information from third‑party organizations or agencies. Any unsolicited information sent to us will be considered the property of RSCS/MRC and will not obligate us to pay fees if we hire a candidate referred by such an organization.

No sponsorship for employees outside the U.S.