Field Service Technician Mobile Mechanic

Wallwork Inc.; Great Falls (MT); On-site; USD 55,000 - 83,000; Full time

Job summary

Wallwork Truck Center in Great Falls, MT is seeking a Field Service Technician to diagnose and repair heavy-duty trucks at customer sites and on the road. You’ll manage your work independently and support the branch shop when needed.

This mobile role requires strong diagnostic skills, attention to detail, and the ability to keep service records and your truck organized. Starting at $40+ per hour, based on experience.

Qualifications

• At least five years of diesel technician experience.
• A valid driver’s license and clean driving record.
• Strong diagnostic skills and attention to detail.
• Ability to work with little supervision.
• Class B CDL is preferred but not required.

Responsibilities

• Diagnose mechanical, electrical, fuel, emissions, brake, steering, and hydraulic issues
• Perform preventive maintenance, repairs, component replacements, and test drives
• Communicate repair findings clearly with customers and your supporting branch
• Keep accurate service records and maintain your service truck, tools, and parts inventory
• Respond to service needs while on call and assist in the shop as workload changes

Skills

Diesel technician

Diagnositic skills

Attention to detail

Work with little supervision

CDL preferred

Job description

Field Service Technician Mobile Mechanic

Requisition Number: FIELD002248

• Posted : September 16, 2026
• Full-Time

Locations

Showing 1 location

Motor Power Great Falls
Great Falls, MT 59404, USA

Description

Field Service Technician

Wallwork Truck Center | Starting at $40+ per hour, based on experience

Take your diesel repair skills on the road. As a Field Service Technician, you’ll diagnose and repair heavy-duty trucks wherever the work takes you, whether that’s over the road, at a customer location, or on a worksite. You’ll manage your work independently and support the branch shop when needed.

What you’ll do

• Diagnose mechanical, electrical, fuel, emissions, brake, steering, and hydraulic issues
• Perform preventive maintenance, repairs, component replacements, and test drives
• Communicate repair findings clearly with customers and your supporting branch
• Keep accurate service records and maintain your service truck, tools, and parts inventory
• Respond to service needs while on call and assist in the shop as workload changes

What you’ll bring

• At least five years of diesel technician experience
• A valid driver’s license and clean driving record
• Strong diagnostic skills, attention to detail, and the ability to work with little supervision
• A Class B or higher CDL is preferred but not required

If you enjoy solving tough problems, working independently, and taking ownership of your day.

Equal Opportunity Employer
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