Reefer Mechanic

Pinnacle Equipment LLC; Stockton (CA); On-site; USD 60,000 - 90,000; Full time

Job summary

Pinnacle Equipment LLC seeks a Reefer Mechanic to inspect, diagnose, maintain, and repair transport refrigeration units on our fleet of refrigerated trailers and trucks.

This role ensures that reefer units operate safely, efficiently, and within temperature-control specifications to protect perishable freight, while supporting on-time deliveries and regulatory compliance across operations.

Qualifications

• High school diploma or equivalent required.
• Minimum of two (2) years' experience servicing transport refrigeration units (Thermo King, Carrier Transicold) or similar diesel/HVAC equipment.
• EPA Section 608 Universal Certification required.
• Valid California driver's license with a clean driving record.
• Ability to read technical manuals, schematics, and wiring diagrams.

Responsibilities

• Inspect, diagnose, troubleshoot, and repair transport refrigeration (reefer) units on trailers and trucks (Thermo King, Carrier Transicold).
• Perform scheduled preventive maintenance: oil and filter changes, belt replacement, refrigerant checks.
• Diagnose and repair electrical, mechanical, and microprocessor control faults in refrigeration units.
• Recover, recycle, evacuate, and recharge refrigerant per EPA Section 608 requirements.
• Conduct pre-trip and post-trip inspections to verify temperature and performance.
• Respond to road service calls and perform emergency repairs to minimize freight downtime.
• Maintain accurate work orders, service records, and parts-usage logs.
• Follow all Company safety policies and comply with Cal/OSHA and OSHA regulations.

Skills

Diesel engines

Electrical systems

Refrigeration diagnostics

Reading schematics

Education

High school diploma or equivalent

EPA Section 608 Universal Certification

Tools

Electronic diagnostic tools

Fleet maintenance software

Job description

Description

Position Summary:

The Reefer Mechanic inspects, diagnoses, maintains, and repairs transport refrigeration units on the Company's fleet of refrigerated trailers and trucks. This role ensures that all reefer units operate safely, efficiently, and within required temperature-control specifications so that perishable and temperature-sensitive freight is protected throughout transit. The position is critical to minimizing equipment downtime, supporting on-time deliveries, and maintaining regulatory and safety compliance across operations.

Key Duties and Responsibilities:

• Inspect, diagnose, troubleshoot, and repair transport refrigeration (reefer) units, including Thermo King and Carrier Transicold systems, on trailers and trucks
• Perform scheduled preventive maintenance, including oil and filter changes, belt replacement, and refrigerant level checks
• Diagnose and repair electrical, mechanical, and microprocessor control faults on refrigeration units
• Recover, recycle, evacuate, and recharge refrigerant in compliance with EPA Section 608 requirements
• Conduct pre-trip and post-trip inspections to verify units meet temperature and performance standards
• Respond to road service calls and perform emergency repairs to minimize freight downtime
• Maintain accurate work orders, service records, and parts-usage logs
• Follow all Company safety policies and comply with Cal/OSHA and OSHA regulations

Requirements:

Required Qualifications:

• High school diploma or equivalent
• Minimum of two (2) years' experience servicing transport refrigeration units (Thermo King, Carrier Transicold) or comparable diesel/HVAC equipment
• EPA Section 608 Universal Certification
• Valid California driver's license with a satisfactory driving record
• Working knowledge of diesel engines, electrical systems, and refrigeration diagnostics, including the ability to read technical manuals, schematics, and wiring diagrams

Preferred Skills and Experience:

• ASE certification or Thermo King/Carrier factory training certifications
• Class A or Class B commercial driver's license (CDL)
• Experience with fleet maintenance software and electronic diagnostic tools
• Welding or metal-fabrication skills
• Bilingual (English/Spanish)

Reasonable accommodation may be provided to enable individuals with disabilities to perform the essential functions of this role. We are proud to be an equal opportunity employer and are committed to building a workplace where everyone feels valued, respected, and empowered to succeed. We make all employment decisions based on qualifications, merit, and business needs, without regard to any status protected by applicable law. The above statements are intended to describe the general nature and level of work being performed. The statements should not be construed as an exhausted list of all responsibilities, duties, and skills required. There may be additional duties outside the normal responsibilities to be performed as needed.