Reefer Technician

North Central Utility of Wisconsin•DeForest, WI

7d•Onsite

About The Position

North Central Utility (NCU) is seeking a self-motivated and results-driven Reefer Technician to join our team in the semi-trailer service industry. NCU is a leading semi-trailer dealership with multiple locations across Wisconsin, Minnesota, and North Dakota, offering a comprehensive range of trailers, parts, and service. We pride ourselves on being a "One Stop Shop" for truck and semi-trailer needs, providing everything from routine maintenance to complete wreck repair. This is a safety-sensitive position that requires pre-employment and post-accident drug testing.

Requirements

High School Diploma or GED equivalent preferred
EPA 608 certification (or ability to obtain)
Willingness to work flexible hours or on-call rotations
Basic set of tools
Previous experience preferred
Computer skills
High mechanical aptitude
Strong interpersonal skills
Driving is a duty of this job
Driver's License (Required)

Nice To Haves

Welding or fabrication experience preferred
Forklift experience preferred

Responsibilities

Experience working on refrigerated trailers or transport refrigeration units
Knowledge of diesel engines, electrical systems, and HVAC/refrigeration principles
Diagnose, repair, and maintain refrigerated trailers (reefers) from major manufacturers (Thermo King, Carrier, etc.)
Perform preventive maintenance inspections (PMs) on refrigeration units, including belts, filters, fluids, and electrical systems
Troubleshoot and repair diesel engines, cooling systems, electrical controls, sensors, and temperature management components
Diagnose and repair AC/DC electrical systems, wiring, and control modules
Perform refrigerant recovery, evacuation, and charging per EPA guidelines
Identify mechanical, electrical, and refrigerant-related failures and determine proper corrective actions
Complete road calls and on-site repairs in a mobile service environment (when applicable)
Use diagnostic software and tools to read fault codes and system data
Maintain accurate service records, inspection reports, and repair documentation
Communicate findings, repair recommendations, and timelines with customers or fleet managers
Follow all safety procedures, environmental regulations, and company policies
Maintain a clean, organized work area, service truck, and tools
Assist with other trailer or equipment repairs as needed