San Antonio, TX

2026-04-16

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.

Key Responsibilities

* 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, contactors, 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

Requirements

Requirements

* 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

* Clean driving record

* Able to work in typical field conditions (rooftops, ladders, tight spaces) and lift/carry job-required tools/parts

Ideal Candidate Qualities

* 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

Benefits

Compensation

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.

Benefits (Robust 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

Important Notes

* 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.

* Relocation is not offered.

Apply / View all openings: www.refrigerationsystems.biz/job-openings

Full-time

Mid-Senior level

Industrial Machinery Manufacturing