Diesel Service Technician / Mechanic

MHC Kenworth | Ardmore, OK

Posted Date 6/24/2024

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.
  • 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
  • Tuition Reimbursement Program
  • 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

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