Mobile Diesel Technician – Field Service Pro

True North Fleet Services; Elkhart (IN); On-site; USD 34,000 - 52,000; Full time

Benefits offered by this job

Fully equipped mobile service vehicle

Paid ASE testing

Career advancement opportunities

Training and certifications

Job summary

Miles Truck Services, working with True North Fleet Services, seeks a Mobile Diesel Technician to service heavy‑duty trucks and trailers at customer locations from a mobile unit. You will diagnose, repair, and document work, communicating clearly with customers and our team.

Candidates need 3+ years in diesel/heavy‑duty repair, strong diagnostics, and the ability to work independently. A valid driver's license is required; CDL is a plus.

Qualifications

• 3+ years of diesel and heavy‑duty repair experience preferred.
• Mobile/field service experience strongly preferred.
• Strong diagnostic and troubleshooting ability across mechanical and electrical systems.
• Valid driver's license and ability to meet driving requirements.

Responsibilities

• Perform preventive maintenance and repairs on heavyduty trucks, trailers, and fleet equipment at customer locations.
• Diagnose and troubleshoot mechanical, electrical, and electronic issues using diagnostic tools and service information.
• Repair diesel engines, brakes, suspension, steering, electrical systems, and related components.
• Respond to mobile service and roadside repair needs.
• Independently assess equipment issues and determine repair solutions.
• Perform DOT inspections and ensure safety/compliance standards.
• Communicate conditions, recommendations, and status with customers and teams.
• Document inspections, diagnostics, repairs, and parts.
• Manage daily workload, service calls, tools, and mobile inventory.
• Maintain a clean, safe mobile service vehicle and work environment.
• Represent Miles Truck Services and True North Fleet Services professionally at customer locations.

Skills

Diesel repair

Heavy-duty trucks

Diagnostics

Independent work

Customer service

Roadside service

Driver's license

CDL is a plus

Valid driver's license

Job description

Miles Truck Services, working with True North Fleet Services, seeks a Mobile Diesel Technician to service heavy‑duty trucks and trailers at customer locations from a mobile unit. You will diagnose, repair, and document work, communicating clearly with customers and our team.

Candidates need 3+ years in diesel/heavy‑duty repair, strong diagnostics, and the ability to work independently. A valid driver's license is required; CDL is a plus.