Mobile Diesel Service Technician / Mechanic

Murphy-Hoffman Company; Tulsa (OK); On-site; USD 58,000 - 79,000; Full time

Benefits offered by this job

Competitive Salary

Medical, Dental and Prescription

Disability and Life Insurance

Paid Time Off program

401k and Profit Sharing with Employer

Flexible Spending Account

Internal Promotion Opportunities

On the Job Training

Job summary

Murphy-Hoffman Company, LLC in Tulsa, OK, seeks a Mobile Diesel Service Technician / Mechanic to perform heavy‑duty truck repair and maintenance at customer sites. You will build relationships with customers, identify service needs, and drive labor sales within your territory.

The role requires solid diagnostic and repair skills, three years of experience, and certifications for A/C, brakes, and DOT inspections; CDL may be required. Excellent communication and self‑motivation are essential.

Qualifications

• Minimum three years' heavy‑duty truck repair experience.
• A/C, Brake, and DOT Annual Inspector certifications required. Engine and Component certifications are a plus.
• Must be self-motivated and capable of working with little supervision.
• Must have a commitment to customer satisfaction and perform quality repairs.
• Must have excellent communication skills. Must have a positive can‑do attitude.
• Necessary tools to perform position responsibilities.
• Class A or B CDL and/or DOT medical card may be required depending upon the size of the mobile service vehicle.

Responsibilities

• Performs routine mechanical repairs and maintenance on heavy‑duty truck equipment and related components with general supervision.
• Coordinates customer repair orders with Service Manager and Shop Foremen for task assignment.
• Advises customer of needed service work, as well as suggests additional labor, parts and body shop sales whenever possible.
• Follows safe work practices and procedures, uses safety equipment when required, responds to suggestions for working safely and seeks assistance when necessary.
• Maintains favorable relations with customers.
• Creates and closes repair orders in the MHC business system to document the repair work performed and the time spent completing the repair.
• Controls business expenses within the approved expense budget and is responsible for tooling and parts inventory on the service truck.
• Oversees operations of assigned customers in territory and calls upon key accounts regularly.
• Responsible for achieving labor sales objectives and quota for assigned accounts.
• Performs other duties as assigned by supervisor.

Skills

Heavy-duty repair

A/C systems

Brake systems

DOT inspections

Communication skills

Job description

Job Details

• Job Title: Mobile Diesel Service Technician / Mechanic
• Business Function: Service
• Branch Name: MHC Kenworth-Tulsa
• Date Posted: 04-10-2026
• Address: 6141 South 49th West Avenue
• City: Tulsa
• State: OK

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 Mobile Diesel Service Technician / Mechanic. The role of the Mobile Diesel Service Technician / Mechanic is to perform heavy‑duty mechanical truck repair and maintenance off‑site at customer locations. Develops relationships with customers to achieve labor sales quota and increase sales to assigned accounts in a designated territory. Analyzes customer operations for opportunities to increase service sales in the given territory.

• Performs routine mechanical repairs and maintenance on heavy‑duty truck equipment and related components with general supervision.
• Coordinates customer repair orders with Service Manager and Shop Foremen for task assignment. Coordinates with Service Advisor for proper work scheduling of all mobile maintenance business.
• Advises customer of needed service work, as well as suggests additional labor, parts and body shop sales whenever possible (i.e., Preventive Maintenance Inspections, related service work, etc.).
• Follows safe work practices and procedures, uses safety equipment when required, responds to suggestions for working safely and seeks assistance when necessary. Ensures proper safety, care, and maintenance of company vehicles assigned to the technician. Reports any damage to company or customer equipment or property immediately to supervisor.
• Maintains favorable relations with customers.
• Creates and closes repair orders in the MHC business system to document the repair work performed and the time spent completing the repair. Completes paperwork as required to accurately document the work performed.
• Controls business expenses within the approved expense budget and is responsible for tooling and parts inventory on the service truck.
• Oversees operations of assigned customers in territory. Calls upon key accounts (current and prospective) regularly. Introduces items such as preventive maintenance, new products, and promotions, reemphasizes existing products and services and provides literature as necessary.
• Responsible for achieving labor sales objectives and quota for assigned accounts.
• 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

• Minimum three years' heavy‑duty truck repair experience.
• A/C, Brake, and DOT Annual Inspector certifications required. Engine and Component certifications are a plus.
• Must be self‑motivated and capable of working with little supervision.
• Must have a commitment to customer satisfaction and perform quality repairs.
• Must have excellent communication skills. Must have a positive can‑do attitude.
• Necessary tools to perform position responsibilities.
• Class A or B CDL and/or DOT medical card may be required depending upon the size of the mobile service vehicle.

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