Senior Diesel Service Mechanic

Murphy-Hoffman Company; Des Moines (IA); On-site; USD 50,000 - 70,000; Full time

Benefits offered by this job

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

Job summary

Murphy-Hoffman Company is seeking a Senior Diesel Service Mechanic in Des Moines, Iowa. This role involves performing skilled mechanical work on heavy-dual truck equipment, troubleshooting issues, and training apprentice technicians. Applicants should have at least three years of hands-on experience or relevant vocational training, along with required certifications. The position offers competitive salary and benefits like medical, dental, and paid time off, fostering a growth-oriented environment.

Qualifications

• Minimum three years hands-on experience or graduate of vocational courses.
• CDL preferred.
• A/C, Brake and DOT Annual Inspector Certifications required.

Responsibilities

• Perform skilled mechanical work on heavy-dual truck equipment.
• Troubleshoot major problems under minimal supervision.
• Train apprentice technicians and maintain a neat working area.

Skills

Hands-on experience in diesel mechanics

Troubleshooting

Customer relations

Education

Vocational courses in diesel mechanics

Tools

Necessary tools for diesel mechanics

Job description

Job Details

Job Title: Senior Diesel Service Mechanic

Business Function: Leasing

Branch Name: MHC Truck Leasing-Des Moines

Date: 05-15-2026

Address: 4111 Delaware Avenue

City: Des Moines

State: IA

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 Senior. The Diesel Service Technician / Mechanic Senior performs all functions of a fully qualified heavy‑dual truck repair mechanic under minimal supervision.

• Performs skilled and complicated mechanical work on heavy‑dual truck equipment and related components with minimum supervision.
• Performs trouble shooting on major problems.
• Works with and helps train apprentice technicians.
• Maintains a neat and orderly working area, and proper handling of company tools.
• Advises Shop Foreman if additional repair work is necessary.
• Maintains favorable relations with customers.
• 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