MalaceHR is seeking an experienced Supermarket Refrigeration Technician with a strong background in parallel rack refrigeration systems to join our team. This position focuses on troubleshooting, diagnosing, maintaining, and repairing commercial refrigeration equipment in supermarkets, grocery stores, and other food retail environments.

The ideal candidate will have hands-on experience servicing parallel compressor racks, centralized refrigeration systems, walk-in coolers/freezers, and refrigerated display cases. We are looking for a technician who understands supermarket refrigeration operations and can independently diagnose mechanical, electrical, and refrigeration system issues.

Key Responsibilities

Troubleshoot, diagnose, repair, and maintain parallel rack refrigeration systems in supermarkets and grocery stores.
Service and repair multi-compressor rack systems, including compressors, condensers, evaporators, valves, and associated components.
Diagnose refrigeration issues related to suction pressure, discharge pressure, refrigerant flow, temperature controls, and compressor operation.
Maintain and repair refrigerated display cases, reach-in coolers/freezers, walk-in coolers, walk-in freezers, and other supermarket refrigeration equipment.
Troubleshoot electrical components, compressor control circuits, defrost systems, and refrigeration controls.
Perform preventative maintenance on refrigeration racks and associated equipment to ensure reliable operation.
Identify and repair refrigerant leaks, perform refrigerant recovery, and properly charge refrigeration systems.
Monitor refrigeration system performance, including suction temperatures, superheat, subcooling, and operating pressures.
Troubleshoot electronic refrigeration controls, rack controllers, sensors, and alarm systems.
Read and interpret refrigeration schematics, wiring diagrams, and equipment specifications.
Respond to service calls and diagnose refrigeration equipment failures to minimize downtime and product loss.
Complete accurate service reports and communicate repair recommendations to customers and supervisors.
Follow proper safety procedures and refrigerant handling regulations.

Required Qualifications

3–5+ years of commercial refrigeration service experience, preferably in supermarket or grocery store environments.
Hands-on experience troubleshooting and repairing parallel rack refrigeration systems.
EPA Section 608 Universal Certification required.
Strong understanding of centralized refrigeration systems and multi-compressor rack configurations.
Experience servicing supermarket refrigeration equipment, including refrigerated display cases, walk-in coolers, and walk-in freezers.
Ability to troubleshoot refrigeration compressors, electrical controls, contactors, relays, sensors, and defrost systems.
Knowledge of refrigeration pressures, temperatures, superheat, subcooling, and system performance.
Strong mechanical and electrical troubleshooting abilities.
Ability to read and interpret refrigeration schematics and electrical diagrams.
Valid driver's license with an acceptable driving record.
Ability to work independently, manage service calls, and communicate effectively with customers.

Preferred Qualifications

Experience working specifically on supermarket parallel compressor rack systems.
Familiarity with Emerson/Copeland, Hussmann, Hillphoenix, or similar supermarket refrigeration equipment.
Experience with refrigeration rack controllers such as Emerson E2, E3, Danfoss, or CPC systems.
Knowledge of low-temperature and medium-temperature supermarket refrigeration applications.
Experience servicing remote condensers, evaporative condensers, and electronic expansion valves.
Familiarity with refrigeration monitoring systems, alarm diagnostics, and energy management controls.
Experience with CO2, glycol, or other advanced refrigeration systems is a plus.
Previous field service experience supporting multiple supermarket or grocery store locations.

Refrigeration Service Technician