Diesel Service Technician / Mechanic

Job Details Job Title: Diesel Service Technician / Mechanic Business Function: Service Branch Name: MHC Kenworth-Chattanooga Date: 09-29-2026 Address: 7831 Lee Highway City: Chattanooga State: TN Job Overview & Essential Functions Murphy-Hoffman Company, LLC is North America's largest Kenworth truck dealership group and leasing group. As MHC continues to grow, we have an opening for a Diesel Service Technician / Mechanic. The role of the Diesel Service Technician / Mechanic performs heavy‑duty mechanical repair under general supervision, receiving on the job training in a development program to achieve Service Journeyman status. Performs and/or assists in the performance of general mechanical duties. Gains experience by working on the following items with minimal supervision: engine overhaul, fuel systems, electrical systems, transmissions, cooling systems, chassis, brakes, engine tune‑up, and general maintenance. Works on major components with close supervision. Performs trouble shooting on minor problems. Attends training sessions and meetings. Maintains a neat and orderly working area, and proper handling of company tools. Advises the Shop Foreman if additional repair work is necessary. Follows safe work practices and procedures, uses safety equipment when required, responds to suggestions for working safely and seeks assistance when necessary. Performs other duties as assigned by supervisor. SAFETY-SENSITIVE This position has been designated as a safety‑sensitive position. Any person performing the position while under the influence of marijuana or any other illegal drug may constitute a threat to health or safety or in which a lapse of attention could result in injury, illness, or death, including without limitation a position that includes the operating, repairing, maintaining, or monitoring of heavy equipment, machinery, aircraft, motorized watercraft, or motor vehicles or handling of hazardous materials and/or waste as part of the job duties. Qualifications CDL preferred. Minimum three years hands‑on experience or graduate of vocational courses. A/C, Brake and DOT Annual Inspector Certifications required. Necessary tools to perform position responsibilities. Benefits Competitive Salary Medical, Dental and Prescription Insurance Disability and Life Insurance Paid Time Off program 401k and Profit Sharing with Employer Match Flexible Spending Account Internal Promotion Opportunities On the Job Training About Us MHC is an expansion of the original company, Ozark Kenworth, Inc. Ozark Kenworth started in Springfield, Missouri, in January 1975. Opening for business without a Parts or Service department and only three employees in a temporary facility. From there, the company grew and expanded. MHC is now a multi‑state network of full‑service diesel truck dealerships, leasing and rental operations, transport refrigeration locations, and a finance company which offers a complete array of finance and insurance services. We believe in fostering an environment that helps employees realize their full potential - a place where you can grow as a person and a professional. Equal Opportunity Employer / Veterans / Disabled #J-18808-Ljbffr