Refrigeration Technician

Harold Brothers Mechanical Contractors, Inc. is a privately held mechanical construction company based in Eastern Massachusetts, serving the Greater Boston area and beyond. As a full-service organization, the company delivers total mechanical construction solutions, including HVAC, process piping, refrigeration, plumbing, pre-fabrication, rigging, energy management, and temperature control. Harold Brothers supports commercial, institutional, medical, and pharmaceutical clients with complex mechanical system needs.

The company focuses on providing a single, coordinated source for comprehensive mechanical services, emphasizing quality workmanship, safety, and reliable project delivery.

The Refrigeration Technician is a full-time, on-site role located in Greater Boston, responsible for installing, maintaining, and repairing commercial refrigeration systems. Day-to-day tasks include performing scheduled preventive maintenance, diagnosing system issues, and troubleshooting mechanical and electrical components. The technician will respond to service calls, inspect equipment for proper operation, replace or repair parts, and ensure systems comply with safety and industry standards.

The role also involves working closely with HVAC and mechanical teams, documenting work performed, communicating findings and recommendations to supervisors or clients, and supporting efficient project completion. The technician is expected to follow company safety procedures, maintain tools and equipment, and provide professional, customer-focused service.

• Strong preventive maintenance and general maintenance & repair skills for commercial refrigeration systems.
• Proficiency in troubleshooting refrigeration and HVAC equipment, including diagnosing mechanical and performance issues.
• Solid understanding of electricity as it applies to refrigeration systems, including reading wiring diagrams and working safely with electrical components.
• Experience with HVAC systems and controls in commercial or industrial environments.
• Relevant technical training or certification in refrigeration, HVAC, or a related mechanical field; EPA certification for refrigerants is preferred.
• Ability to read and interpret technical manuals, schematics, and work orders, and to maintain accurate service documentation.
• Commitment to safety, adherence to company and regulatory standards, and capability to work in varying environmental conditions.
• Valid driver's license, reliable transportation to job sites in Greater Boston, and ability to work occasional overtime or emergency calls as needed.