Reefer Technician

North Central Utility of Wisconsin • St. Augusta, MN

5d

About The Position

North Central Utility (NCU) is seeking a self-motivated, results-driven Reefer Technician to service refrigerated trailers and transport refrigeration units. The role supports equipment used to transport products such as fresh produce and pharmaceuticals, contributing to NCU’s service operations and growing refrigeration and mobile service capabilities. Technicians work as part of a close-knit team and may perform mobile service and on-site repairs.

The position is full-time, scheduled Monday through Friday with rotating weekends, and requires availability for flexible hours and on-call shifts. It is safety-sensitive and requires pre-employment and post-accident drug testing. Supervisory responsibilities: none.

Requirements

• Experience working on refrigerated trailers or transport refrigeration units.
• Knowledge of diesel engines, electrical systems, and HVAC/refrigeration principles.
• Basic set of tools and previous or equivalent experience.
• EPA 608 certification, or ability to obtain it.
• High mechanical aptitude.
• Ability to meet the physical demands of the position.
• Valid driver's license.
• Availability for flexible hours and on-call shifts.

Nice To Haves

• High school diploma or GED equivalent preferred.
• Welding or fabrication experience preferred.
• Forklift experience preferred.

Responsibilities

• Diagnose, repair, and maintain refrigerated trailers and transport refrigeration units from major manufacturers, including Thermo King and Carrier.
• Perform preventive maintenance inspections on refrigeration units, including checking 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.
• Recover, evacuate, and charge refrigerant in accordance with EPA guidelines.
• Identify mechanical, electrical, and refrigerant-related failures and determine appropriate 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 to customers or fleet managers.
• Follow 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.

Benefits

• Monthly performance-based commissions.
• 401(k) with company match and profit sharing.
• Health insurance.
• Dental insurance.
• Vision insurance.
• Life insurance.
• Short-term disability insurance.
• Flexible Spending Accounts (FSA Section 125 program).
• Paid time off.
• Paid holidays (8.5 days).
• Training and professional development opportunities.
• Annual safety shoe and tool allowances.

What This Job Offers

• Job Type: Full-time
• Education Level: High school or GED