Diesel Service Technician​/Mechanic

Diesel Service Technician / Mechanic

Murphy-Hoffman Company, LLC, North America’s largest Kenworth truck dealership group and leasing group, is looking for a Diesel Service Technician / Mechanic. The role performs heavy‑duty mechanical repair under general supervision, undergoing on‑the‑job training to reach Service Journeyman status.

• Performs and/or assists with general mechanical duties.
• Gains experience on engine overhaul, fuel systems, electrical systems, transmissions, cooling systems, chassis, brakes, engine tune‑up and general maintenance.
• Works on major components with close supervision.
• Troubleshoots 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, seeks assistance when necessary.
• Performs other duties as assigned by supervisor.

This position is safety‑sensitive. Any person performing the position while under the influence of marijuana or any illegal drug may constitute a threat to health or safety. The job involves operating, repairing, maintaining, or monitoring heavy equipment, machinery, aircraft, motorized watercraft, or motor vehicles and handling hazardous materials and waste.

• 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.

• 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

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

Job
-15-2026. Branch: MHC Kenworth‑Oklahoma City. Address: 7200 West I40 Service Road, Oklahoma City, OK.