Diesel Service Technician / Mechanic

Job Details

Job Title

Diesel Service Technician / Mechanic

Business Function

Service

Branch Name

MHC Kenworth-St Joseph

Date

06-09-2026

Address

2500 South 4th Street

City

St Joseph

State

MO

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