Mobile Diesel Service Technician / Mechanic

Murphy-Hoffman Company; Town of Texas (WI); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

Competitive Salary

Medical, Dental and Prescription

Disability and Life Insurance

Paid Time Off

401k and Profit Sharing

Flexible Spending Account

Internal Promotion Opportunities

On the Job Training

Job summary

Murphy-Hoffman Company is seeking a Mobile Diesel Service Technician / Mechanic to perform heavy-duty truck repairs and maintenance at customer sites in the Dallas area. You will develop relationships with customers, identify service opportunities, and coordinate with service teams to schedule work efficiently.

The role requires at least three years of heavy-duty truck repair experience, CDL/A/DOT-related certifications, and strong communication skills.

Qualifications

• Minimum three years' heavy duty truck repair experience.
• A/C, Brake and DOT Annual Inspector certifications required.
• 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 CDL and/or DOT medical card may be required depending on the mobile service vehicle size.

Responsibilities

• Perform routine mechanical repairs and maintenance on heavy-duty truck equipment with general supervision.
• Coordinate repair orders with Service Manager and Shop Foremen for task assignment; schedule work with Service Advisor.
• Advise customers on needed service work and potential additional labor, parts, and body shop opportunities.
• Follow safety practices, maintain company vehicles, and report damages immediately.
• Maintain favorable relations with customers and document work performed in the MHC system.
• Oversee operations for assigned customers in the territory; visit key accounts regularly to promote preventive maintenance and services.
• Aim to achieve labor sales objectives and quotas for assigned accounts.
• Perform other duties as assigned by supervisor.

Skills

Heavy-duty truck repair

Customer relations

Communication skills

Self-motivated

Education

CDL Class A

DOT medical card

Certifications: A/C, Brake, DOT Inspector

Tools

Wrench set

Diagnostic tools

Truck service tooling

Job description

Job Details

• Job Title: Mobile Diesel Service Technician / Mechanic
• Business Function: Service
• Branch Name: MHC Kenworth-South Dallas
• Date: 08-04-2026
• Address: 34661 Lyndon B Johnson Freeway
• City: Dallas
• State: TX

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 offsite 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 provide 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 on 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