Diesel Technician

Truck Country® is the largest Freightliner dealer in the United States, operating across 26 locations in Iowa, Illinois, Wisconsin, Indiana, Ohio, and Michigan. For over 65 years, the company has provided new and used medium- and heavy‑duty trucks, top‑level service expertise, a vast inventory of parts, and financing solutions tailored to customer needs. As part of McCoy Group Inc., founded in 1958 in Shullsburg, Wisconsin, Truck Country® remains a family‑owned business today, with its corporate headquarters located in Dubuque, Iowa.

The company is committed to delivering exceptional customer service and reliable solutions to the trucking industry.

This is a full‑time, on‑site role for a Diesel Technician located in Milwaukee, WI. The Diesel Technician will perform routine maintenance, troubleshoot issues, and execute repairs on medium‑and heavy‑duty trucks. Key duties include conducting preventive maintenance, diagnosing and resolving mechanical and technical issues, and ensuring vehicles meet safety and operational standards. Additionally, the Diesel Technician will interact with customers to discuss vehicle issues and provide quality service.

• Proficiency in Vehicle Maintenance and Preventive Maintenance
• Strong troubleshooting and diagnostic capabilities for mechanical and technical systems
• Experience in Maintenance & Repair of medium‑and heavy‑duty trucks
• Effective Customer Service skills with the ability to communicate professionally and clearly
• Certification(s) in diesel technology or a related field is a plus
• Previous hands‑on experience as a Diesel Technician preferred
• Strong attention to detail and commitment to workplace safety