Experienced Supermarket Rack Technician

SMSI; Town of Springfield (WI); On-site; USD 60,000 - 80,000; Full time

Benefits offered by this job

Above-average pay

Extensive benefits

Family-based atmosphere

Job summary

A commercial HVACR service provider in Springfield is looking for a skilled Supermarket Rack Technician to join their team. The ideal candidate should possess over 5 years of hands-on experience with supermarket rack systems, including CO₂ and HFC systems. Responsibilities include diagnosing issues, performing maintenance, and mentoring junior technicians. The company values dedication and professionalism, offering above-average pay and extensive benefits in a family-oriented atmosphere.

Qualifications

• 5+ years of hands-on experience with supermarket rack systems required.
• EPA Universal Certification is mandatory.
• Ability to read schematics and wiring diagrams.

Responsibilities

• Diagnose and repair refrigeration rack systems.
• Perform preventative maintenance on refrigeration and control systems.
• Handle compressor changes and leak detection.

Skills

Hands-on experience with supermarket rack systems

Mechanical troubleshooting skills

Electrical troubleshooting skills

Reading schematics and wiring diagrams

CO₂ transcritical racks experience

Education

EPA Universal Certification

Job description

Springfield, United States | Posted on 01/08/2026

JUMPSTART, ADVANCE, AND LOVE YOUR CAREER WITH SMSI!

At SMSI, we believe in our employees. With above-average pay, extensive benefits, and a family-based atmosphere, we are always looking for people seeking to improve themselves. Together, our team strives to provide the best service for customers and employees. We thrive on challenges and believe in fair compensation for dedication, detail, and professionalism.

SMSI is a growing commercial HVACR service provider known for our quality workmanship and commitment to customer satisfaction. We specialize in supermarket refrigeration, including CO₂ and conventional rack systems, and we're expanding our team of skilled professionals.

We’re seeking a highly experienced Supermarket Rack Technician to join our service team. The ideal candidate has deep experience working with complex rack refrigeration systems in grocery stores or cold storage environments and can troubleshoot, repair, and optimize systems with minimal supervision.

Responsibilities

• Diagnose and repair refrigeration rack systems (CO₂ and HFC systems preferred)
• Perform scheduled preventative maintenance on refrigeration and control systems
• Handle compressor change outs, EEV retrofits, leak detection, and defrost issues
• Program and troubleshoot control systems (Emerson E2, Danfoss, etc.)
• Respond to emergency service calls with a sense of urgency and professionalism
• Complete service documentation and communicate findings with clients and management
• Mentor junior techs and help promote a safety‑first culture

Requirements

• 5+ years of hands‑on experience with supermarket rack systems
• EPA Universal Certification required
• Experience with CO₂ transcritical racks is a strong plus
• Proficient in reading schematics and wiring diagrams
• Strong mechanical and electrical troubleshooting skills
• Valid driver’s license and clean driving record
• Willing to participate in rotating on‑call schedule
• Self‑motivated, reliable, and able to work independently or as part of a team