Field Diesel Technician

Job Description

Job Description

FIELD DIESEL TECHNICIAN

Locations: Greenville, SC | Spartanburg, SC | Charlotte, NC | Hickory, NC

Company: National Fleet Management

Looking for something different than the typical shop job?

This opportunity is built for technicians who prefer working on the road, solving problems in real time, and having more control over how they work and earn.

National Fleet Management is a rapidly growing heavy-duty truck service provider across the Southeast.

• 35+ mobile service units currently operating in 9 states
• Projected growth to 50+ trucks within the next year

We are focused on building a mobile-first service operation—and we’re looking for skilled technicians to grow with us.

We are seeking experienced Field Diesel Technicians to support our expanding field service operations.

This role is ideal for individuals who:

• Enjoy working independently
• Prefer a field-based environment over a traditional shop
• Are confident handling roadside service calls and on-site repairs

Technicians will be assigned a fully equipped service truck and dispatched to customer locations for diagnostics, maintenance, and repairs.

This position follows a performance-based pay model.

• $32 – $45+ per hour depending on experience and productivity
• Our top Mobile Technician earned $164,135 in 2025, with the average technician earning over $100,000 annually.
• Earnings directly tied to efficiency, skill level, and output

• Perform roadside service and on-location repairs
• Diagnose and repair diesel engines and related components
• Complete preventative maintenance services in the field
• Accurately document repairs, labor, and service details
• Maintain assigned service vehicle and parts inventory
• Provide professional, customer-focused service at each job site

• Previous diesel technician experience (mobile service experience a plus)
• Strong troubleshooting and diagnostic skills
• Ability to work independently and manage workload effectively
• Willingness to travel within a designated service area
• Valid driver’s license required (CDL preferred)
• Dependable with strong time management skills

• Work independently without a traditional shop environment
• Competitive earning potential based on performance
• Company-provided, fully equipped service truck
• Steady workload with increasing demand
• Opportunity to grow within a rapidly expanding operation

If you’re a motivated technician looking for a field-based role with strong earning potential and growth opportunity, we encourage you to apply.

We Value Equal Opportunity

National Fleet Management is an equal opportunity employer. We are committed to creating a workplace where all qualified applicants receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, genetic information, or any other legally protected characteristic.

We believe diverse perspectives strengthen our teams, improve decision-making, and help us better serve our customers across all markets.

Drug-Free Workplace

National Fleet Management maintains a drug-free workplace. Employment may be contingent upon compliance with applicable drug and alcohol policies, including pre-employment and post-incident testing, where permitted by law.