Mobile Reefer Technician

Sonsray,-Inc.; San Leandro (CA); On-site; USD 61,000 - 80,000; Full time

Benefits offered by this job

Medical coverage

Dental & Vision

401K contributions

Vacation days

Uniforms provided

Boot voucher

Volunteer day

Birthday meal

Open-door policy

Job summary

Sonsray, Inc. is seeking an experienced Mobile Reefer Technician to support our Fleet division in San Leandro, CA. You will diagnose, repair, and maintain refrigeration units on trucks, trailers, and vans while traveling to customer sites and following safety regulations.

The role requires at least 5 years of hands-on transport refrigeration experience, a valid driver’s license, and the ability to work independently in the field with strong diagnostic capabilities.

Qualifications

• Minimum 5 years of hands-on transport refrigeration experience.
• Valid driver’s license with acceptable driving record.
• Strong diagnostic and troubleshooting skills across mechanical, electrical, and refrigeration systems.

Responsibilities

• Diagnose, troubleshoot, and repair truck and trailer refrigeration units, including Thermo King and related equipment.
• Perform advanced diagnostics using scanners 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.
• Travel regularly to customer sites to perform mobile service calls, operating company vehicles safely.

Skills

Diagnostic skills

Independent work

Mechanical/electrical/refrigeration

Tools

Diagnostic tools

Scanners

Electronic testing equipment

Job description

Looking for a career where you can make an impact?

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Join SONSRAY and be part of a team that keeps industries moving forward!

At SONSRAY, we are more than just a dealership – we are industry leaders dedicated to keeping businesses moving. Serving the construction, transportation, and agricultural sectors, we provide top-tier equipment, exceptional customer service, and innovative solutions that drive success.

Our comprehensive offerings include equipment sales, rentals, parts, maintenance, and repairs, ensuring our customers have everything they need to operate efficiently.
With a growing team of 500+ employees across 33+ locations in 9 states, we foster a dynamic work environment that values growth, innovation, and performance-driven success.

Whether you’re looking to build your career or support industries that power our world, SONSRAY is the place to make an impact.

Ready to power industries and drive success?

Department: Service

Location: 1450 Doolittle Dr.
San Leandro, CA, 94577

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

Join the SONSRAY Team and be part of something bigger!