Mobile Diesel Technician - Field Service Expert

JX Truck Center; Marquette (MI); On-site; USD 43,000 - 63,000; Full time

Job summary

JX Enterprises and Truck Center in Marquette, MI are seeking a Mobile Service Technician to keep our clients' fleets moving. You will perform on-site repairs, diagnostics, and rebuild/overhaul work in a collaborative, growth-oriented environment.

The role requires a diesel-focused technical background, A/C certification, and a proactive, learning mindset. Competitive hourly pay and a Monday–Friday schedule support a balanced career path.

Qualifications

• Typically four (4) years of experience with a diesel-focused technical program.
• A valid state or Federal A/C certification, CDL and other skills desired.
• Mindset: entrepreneurial pioneering spirit, integrity, and commitment to professional development.

Responsibilities

• Perform repairs on customer vehicles, lease units and company inventory.
• Diagnose engines, disassemble, clean and inspect components.
• Repair and overhaul engines, clutches, differentials and power systems.
• Submit and complete technical reports and documentation.
• Troubleshoot fault codes and check engine lights.
• Deliver exceptional customer service.
• Collaborate with team to cultivate positive customer experiences.
• Complete training including Peterbilt Training with at least 90% completion.

Skills

Diesel tech

CDL

A/C certification

Job description

JX Enterprises and Truck Center in Marquette, MI are seeking a Mobile Service Technician to keep our clients' fleets moving. You will perform on-site repairs, diagnostics, and rebuild/overhaul work in a collaborative, growth-oriented environment.

The role requires a diesel-focused technical background, A/C certification, and a proactive, learning mindset. Competitive hourly pay and a Monday–Friday schedule support a balanced career path.