Reefer Systems Technician: Fleet Refrigeration & Diagnostics

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

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.