Mobile Diesel Technician

Job Description

Job Description

MOBILE DIESEL TECHNICIAN 

Locations: Bowling Green, KY, Franklin, KY, Lexington, KY, Nashville, TN, Portland, TN

National Fleet Management

This is not a shop role. This is not a “stay in one place” job.

If you want independence, variety, and the ability to earn based on your performance, this is for you.

Who We Are

National Fleet Management is one of the fastest-growing heavy-duty truck service companies in the Southeast.

• 35+ mobile service trucks across 9 states
• Scaling to 50+ trucks in the next 12 months
• Targeting 70+ trucks across 12+ states by 2028
• Expanding into new markets

We are building a mobile-first service model—and we need technicians who want to be part of that growth.

The Role

We are hiring Mobile Diesel Technicians across multiple states in the Southeast.

This role is for technicians who:

• Prefer working independently
• Thrive outside of a traditional shop
• Are comfortable handling road calls and field repairs

You will operate a fully equipped service truck and perform on-site diagnostics, repairs, and maintenance.

Compensation

This is a performance-based role.

• $32 – $45+ per hour (based on experience & performance)
• Our top Mobile Technician earned $164,135 in 2025, with the average technician earning over $100,000 annually.
• Pay guarantee - depending upon performance

Your income is driven by your efficiency, skill, and work ethic.

What You’ll Do

• Respond to road calls and perform on-site repairs
• Diagnose and repair diesel engines and related systems
• Complete preventative maintenance (PMs) in the field
• Accurately document work and hours
• Maintain your service truck and inventory
• Deliver a high level of customer service on-site

What We’re Looking For

• Diesel technician experience (mobile experience preferred)
• Strong diagnostic and troubleshooting ability
• Ability to work independently with minimal supervision
• Comfortable traveling within an assigned region
• Valid driver’s license (CDL preferred)
• Strong time management and accountability

Why NFM Mobile

• Independence — no shop, no micromanagement
• High earning potential based on performance
• Company-provided service truck
• Consistent work and growing demand
• Opportunity to grow with a rapidly expanding mobile operation

Apply Today

If you’re a self-driven technician who wants to take control of your schedule and income, apply now.

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.