Diesel / Heavy Truck Technician

Job Description

Job Description

Diesel / Heavy Truck Technician

Department: Service
Reports To: Service Manager

The Diesel / Heavy Truck Technician is responsible for performing advanced diagnostics, preventative maintenance, and high-quality repairs on diesel engines, commercial trucks, and heavy-duty equipment. This role requires strong technical expertise, independent problem-solving skills, and a commitment to safety and continuous improvement.

By following established procedures, manufacturer standards, and safety guidelines, the Journeyman Diesel Mechanic ensures vehicles are repaired accurately and returned to service on time. This position plays a critical role in customer satisfaction, dealership profitability, and keeping commercial vehicles safe and reliable on the road.

• Health Insurance

• 401(k) Retirement Plan

• Paid Time Off (PTO)

• Competitive Wages

• Flexible Scheduling

• Prepare for service by reviewing repair orders, gathering diagnostic tools, and confirming required parts and technical information are available prior to beginning repairs.

• Perform preventative maintenance, diagnostics, and repairs on diesel engines, powertrains, braking systems, electrical systems, and aftertreatment systems in accordance with manufacturer specifications.

• Troubleshoot and repair complex diesel engine issues including fuel systems, emissions systems, cooling systems, and drivability concerns.

• Complete repairs efficiently and on schedule by identifying root causes, sourcing parts and technical resources, managing deviations, and maintaining a clean and organized work area.

• Accurately document diagnostics, repairs performed, and recommended follow-up work in repair orders and service systems.

• Mentor apprentices and junior technicians by providing hands-on training, technical guidance, and reinforcing safe and efficient repair practices.

• Promote a safe and compliant work environment by adhering to safety protocols, properly using and maintaining tools and equipment, and encouraging safe behaviors.

• Maintain up-to-date knowledge of diesel engine technology, emissions regulations, and manufacturer updates to ensure repairs meet current standards.

• Utilize diagnostic software, scan tools, and digital repair platforms to access service information, complete work orders, and improve productivity.

• Communicate effectively with service advisors, team members, and leadership to ensure clarity on repair status, timelines, and customer needs.

• Strong understanding of diesel engine systems, heavy-duty vehicle components, and preventative maintenance best practices.

• Ability to work independently, prioritize tasks, and manage time effectively in a fast-paced service environment.

• Proven troubleshooting and problem-solving skills with a focus on accurate, cost-effective repairs.

• Commitment to delivering high-quality service through attention to detail, accountability, and clear communication.

• Willingness to continuously learn and adapt to new diesel technologies, tools, and processes.

• Team-oriented mindset with the ability to collaborate across departments to achieve shared service goals.

• High school diploma or equivalent

This job description is not intended to be an exhaustive list of all duties, responsibilities, or requirements. The dealership reserves the right to modify or assign additional responsibilities as business needs change. We are an Equal Opportunity Employer.