Mobile Reefer Technician

Location: Vernon, CA • Full-Time • $35 to $44 per hour

About the role

Mobile Reefer Technician supporting our Fleet Division. This role is ideal for a self-motivated technician who enjoys working in the field, diagnosing complex issues, and servicing transport refrigeration equipment at customer locations.

Responsibilities

• Diagnose, troubleshoot, and repair truck and trailer refrigeration units, including Thermo King and related equipment.
• Perform advanced diagnostics using scanners, electronic test equipment, and onboard computer systems.
• Conduct preventive maintenance, inspections, and component replacements on transport refrigeration units and APUs.
• Review and complete shop orders accurately while maintaining service documentation.
• Identify and repair system failures, including leak detection, component removal/replacement, and Freon system testing.
• Assemble, install, and replace refrigeration components using soldering, welding, and refrigeration tools.
• Install new refrigeration units on trucks, trailers, and vans.
• Travel regularly to customer sites to perform mobile service calls, operating company vehicles safely and within road and weather conditions.
• Follow all company safety policies, DOT requirements, and auto safety regulations.
• Maintain a clean, organized service vehicle and work area.
• Perform other duties as assigned to support service operations.

Requirements

• Minimum age 21 years old.
• Valid driver’s license with an acceptable driving record.
• Minimum 2 years previous experience servicing transport refrigeration units (reefer units).
• Strong diagnostic and troubleshooting skills across mechanical, electrical, and refrigeration systems.
• Ability to work independently in a mobile service environment.
• Comfortable using diagnostic tools, scanners, and electronic testing equipment.
• Experience with soldering, welding, and refrigeration equipment is preferred.
• Ability to lift, bend, stand, and work in varying weather conditions.
• Strong attention to detail and commitment to quality workmanship.

About Sonsray

Sonsray moves mountains for the construction, transportation, and agriculture industries. We are the West Coast's largest Thermo King & CASE dealership, offering sales, parts, service, rental, and leasing. We are committed to fostering a supportive and dynamic work environment.

Benefits

• Medical coverage (PPO + HSA options)
• Dental, Vision, and Life insurance provided at no cost
• 401K with competitive employer contributions
• 80 hours of annual vacation, increasing with years of service
• Uniforms provided annually
• Annual boot voucher of $125.00
• One full paid day off annually for community volunteer work
• Birthday meal provided by Sonsray
• Privately owned and operated, with decisions made based on core values rather than corporate directives
• Annual Holiday Party, including covered airfare and hotel for employees and a guest
• Emphasis on company growth and employee development
• Open-door policy, fostering a collaborative environment with active owner and management involvement