Mobile Reefer Technician
Sonsray
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Benefits offered by this job
Job summary
Sonsray is hiring a Mobile Reefer Technician in San Leandro, CA to support our Fleet division. We seek a self-motivated technician with 5+ years of hands-on transport refrigeration experience who can work independently in the field.
The role requires diagnosing and repairing Thermo King refrigeration equipment, performing preventive maintenance, and traveling to customer sites. We offer strong benefits and a growth-focused environment at a West Coast Thermo King dealer.
Qualifications
- Minimum 5 years of hands-on transport refrigeration (reefer) experience.
- Minimum age 21.
- Valid driver’s license with an acceptable driving record.
- 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.
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.
Skills
Tools
Job description
Sonsray employs over 500 people nationwide. We hire for character first and teach the trade, so most of our team has been here longer than most companies have been in business.
What It Means to Be a PaYS Partner
We are proud to be an official corporate partner of the U.S. Army Partnership for Your Success (PaYS) program. This strategic initiative allows us to invest directly in America's service members. Through this partnership, we reconnect our business with the local military community and build a direct talent pipeline from the Armed Forces straight to our team. We don't just thank veterans for their service - we actively recruit, hire, and empower them.
Why We Stand Behind Our Service Members
Veterans bring unmatched work ethic, integrity, and drug-free reliability to the commercial workforce. By opening our doors to these highly trained individuals, we strengthen our business infrastructure while honoring the sacrifices made by the men and women of our military.
Transitioning from military service to a civilian career can be challenging. We bridge that gap by offering actionable opportunities, security, and a clear path forward.
- Guaranteed Job Interviews: Every PaYS Soldier who selects our company is guaranteed a formal interview for open roles upon finishing their service.
- Direct Pipeline: We match Military Occupational Specialties (MOS) with our specific technical, mechanical, operational, and leadership needs.
- Skills Translation: We value military capabilities like discipline, team mechanics, and high-pressure problem solving, recognizing how they translate to corporate success.
- Veteran Support Network: We provide a workplace culture that understands military values, ensuring veterans feel supported from day one.
At Sonsray, we're more than a dealership — we're industry leaders dedicated to keeping businesses moving. Serving construction, transportation, and agricultural sectors, we deliver top-tier equipment, exceptional service, and solutions that drive real results.
Our offerings span equipment sales, rentals, parts, maintenance, and repairs — everything your operation needs to stay efficient. With a growing team of 500+ employees across 33+ locations in 9 states, we've built a dynamic environment that rewards growth, innovation, and performance.
Whether you're launching your career or ready to take it further, Sonsray is where you make an impact.
From a single dealership to a coast-to-coast team of 500+. See how Sonsray became a force in machinery, fleet services, and rental & leasing.
Act with uncompromising honesty and compassion in all that we do. Create results we feel proud of.
Committed to moving mountains with the power of teamwork. Tackle each project with energy and excellence.
Enrich and strengthen our local communities. Practice self-awareness, and strive to create a diverse and inclusive workplace.
Support our customers with superior resources and industry knowledge. Earn the respect of our customers with personalized, high quality service.
Value and develop our employees' diverse talents. We celebrate initiative and leadership both at home, and in our partnerships.
Hover or tap a card to see what comes with being part of the Sonsray family.
- Affordable Medical with PPO + HSA options that decrease with years of service.
- Dental, Vision & Life insurance free of charge.
- 401K with competitive Sonsray contributions and 80 hours of annual vacation that grows with your tenure.
Hover or tap to learn more
- Uniforms provided annually
- Annual Boot Voucher worth $125.00
- Factory-certified training at no cost
- On-the-job mentorship with Master Level Technicians
- Tool Program for Apprentice Technicians.
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- Birthday Meal on Sonsray
- One paid day off for community volunteer work annually
- Annual Holiday Party with airfare and hotel covered for you and your +1
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- Open door policy with an active owner and management team
- Privately owned and operated — we’re growing and we encourage you to grow with us
- All decisions come from the heart, not a boardroom
See current openings across Sonsray Machinery, Sonsray Fleet Services, and Sonsray Rental & Leasing.
Job Title: Mobile Reefer Technician
Location: San Leandro, CA
Job Type: Full- Time
Salary Range: $44.01 to $58.63 hourly depending on experience
Position Summary:
We are seeking an experienced Mobile Reefer Technician to support our Fleet division in San Leandro, CA. This role is designed for a self-motivated technician with a minimum of 5 years of hands‑on transport refrigeration (reefer) experience who is comfortable working independently in the field and servicing customer equipment.
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.
Qualifications:
- Minimum 5 years of hands‑on transport refrigeration (reefer) experience required.
- Minimum age 21 years old.
- Valid driver’s license with an acceptable driving record.
- Previous experience servicing transport refrigeration units (reefer units) is required.
- 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 dealership, offering sales, parts, service, rental, and leasing. We are committed to fostering a supportive and dynamic work environment.
Why work here?
At Sonsray, we value all employees, their contributions, and most importantly, their ideas! We know that the key to moving mountains is teamwork. This is what we offer our team members:
- 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
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