Chiller Technician

Job Overview

The Truck Reefer Unit Technician is responsible for the inspection, installation, maintenance, diagnosis, and repair of refrigerated (reefer) units installed on trucks and trailers. The role ensures all cooling systems operate efficiently, comply with safety standards, and maintain cargo temperature integrity during transport.

Key Responsibilities

• Inspect, diagnose, and repair refrigeration units (e.g., Corunclima, Thermo King, Carrier, etc.,) on trucks and trailers
• Perform installation of new reefer units, including setup, testing, and commissioning
• Conduct quality checks and inspections for newly installed units to ensure proper operation and compliance with standards
• Perform routine preventive maintenance, including oil changes, filter replacements, and system checks
• Troubleshoot electrical, mechanical, and refrigeration system faults
• Monitor and calibrate temperature control systems to ensure accurate performance
• Repair or replace defective components such as compressors, condensers, evaporators, and sensors
• Conduct leak detection and refrigerant recharging in compliance with environmental regulations
• Maintain accurate service records and documentation of repairs and inspections
• Respond to emergency breakdowns and provide on-site repairs when required
• Ensure all work complies with safety standards and company procedures
• Assist other workshop staff and technicians during idle periods to support overall operations
• Collaborate with drivers and fleet staff to address operational issues

Qualifications 

• Proven experience working with transport refrigeration units (reefer systems)
• Strong knowledge of refrigeration cycles, electrical systems, and diesel engines
• Ability to read technical manuals and wiring diagrams
• Familiarity with diagnostic tools and software for reefer units
• Valid driver’s license (heavy vehicle license is a plus)
• Good problem-solving and troubleshooting skills
• Ability to work independently and under pressure