Service Technician

Thompson Truck Group (TTG)

Join a Team That Keeps America Moving

Thompson Truck Group is seeking a skilled Service Technician to join our growing service team in Cookeville TN. If you are a motivated diesel technician who takes pride in delivering quality repairs diagnosing complex issues and providing exceptional customer service we want to hear from you.

At TTG we are committed to safety professionalism teamwork and continuous improvement. Our employees are our greatest asset and we invest in training development and advancement opportunities. TTGs core values emphasize integrity collaboration accountability operational excellence and an obsession with safety.

The Service Technician functions as a skilled-level technician who can perform diagnostics and repairs across multiple vehicle systems while developing expertise in specialized areas of repair. This position is responsible for accurately diagnosing and repairing commercial vehicles while maintaining productivity quality and safety standards.

• Perform repairs and maintenance according to dealership and manufacturer specifications.
• Diagnose and troubleshoot electrical drivetrain HVAC braking engine suspension and other vehicle systems.
• Identify required repairs and perform corrective actions efficiently and accurately.
• Document all diagnostics repairs and recommendations clearly on repair orders.
• Utilize diagnostic equipment and software to isolate faults and interpret test results.
• Review repair orders and determine the most efficient repair procedures.
• Communicate additional repair needs delays or changes to the Service Advisor promptly.
• Provide detailed repair information to the Shop Foreman for accurate repair order documentation.
• Obtain supervisor approval for additional repairs when required.
• Conduct road tests to verify repairs and assist with diagnostics.
• Track labor hours accurately to the appropriate repair order.
• Interact professionally with customers and coworkers.
• Assist fellow technicians with repair procedures and technical support.
• Participate in OEM training programs technical schools and certification opportunities.
• Stay current with technical service bulletins and manufacturer updates.
• Maintain a clean organized and safe work area.
• Properly care for and maintain dealership-owned tools and equipment.
• Follow all company safety policies and report hazards or safety concerns immediately.

• Previous diesel heavy-duty truck automotive or commercial vehicle repair experience preferred.
• Strong diagnostic and troubleshooting skills.
• Ability to read and interpret repair manuals wiring diagrams and diagnostic information.
• Basic computer skills and experience with electronic diagnostic tools.
• Valid drivers license required.
• CDL or ability to obtain a CDL preferred.
• Ability to lift push pull and move heavy components and equipment.
• Strong attention to detail and commitment to quality workmanship.
• Positive attitude and ability to work effectively in a team environment.

• Competitive compensation
• Performance-based earning opportunities
• Comprehensive benefits package
• Paid training and manufacturer certifications
• Career advancement opportunities
• Modern equipment and diagnostic tools
• Supportive team environment
• Stable growing company with multiple locations

Thompson Truck Group is a leading commercial truck dealership serving customers throughout Tennessee and Virginia. We are driven by our commitment to customer satisfaction operational excellence safety and teamwork. Our culture is built on respect integrity continuous improvement and serving others. One Team. One Drive. One Result.

Apply today and help keep our customers on the road.