Mobile Diesel Technician

National Fleet Management Inc; False Pass (AK); On-site; USD 44,000 - 62,000; Full time

Job summary

National Fleet Management is seeking Mobile Diesel Technicians to perform on-site diagnostics, repairs, and maintenance across multiple PA locations. Operate a fully equipped service truck and respond to road calls with a focus on independent work and top-tier customer service.

Ideal candidates have diesel technician experience (mobile preferred), strong diagnostic skills, and the ability to travel within an assigned region.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Diesel experience

Diagnostic skills

Independent worker

Region travel

CDL preferred

Time management

Job description

Job Description

Job Description

MOBILE DIESEL TECHNICIAN

Locations: Philadelphia, PA, West Chester, PA, West Grove, PA, Harrisburg, PA, Carlisle, PA, York, PA Reading, PA, Mechanicsburg, PA, Kennett Square, PA

National Fleet Management

If you enjoy variety in your workday, working independently, and building your income through your performance, this opportunity may be a great fit.

Who We Are

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

• 35+ mobile service units operating across 9 states
• Expanding to 50+ mobile trucks within the next 12 months
• Long-term growth plans targeting 70+ trucks across 12+ states by 2028
• Continuing to expand into additional markets

We are continuing to grow our mobile service division and are looking for technicians who want to grow with us.

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!

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

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.