Mobile Diesel Technician – On‑Site Field Service

NEXTRAN CORPORATION; Peoria (IL); On-site; USD 36,000 - 55,000; Full time

Job summary

Nextran Truck Centers in Peoria, IL is hiring a Mobile Service Technician to bring hands-on service and repairs directly to our customers' locations. You’ll diagnose problems, perform preventive maintenance, and get medium- and heavy-duty trucks back on the road safely and efficiently.

This role rewards independence and problem solving, with opportunities to mentor apprentices, work with our parts team, and stay current on manufacturer bulletins while adhering to safety standards.

Qualifications

• Mack Master Technician certification and 4+ years of related experience and/or training preferred, but not required.
• Hands-on experience working on diesel engines and medium- and heavy-duty commercial trucks.
• Strong diagnostic, troubleshooting, and problem-solving skills.
• Attention to detail and a commitment to safety and quality.
• Ability to work independently while also being a strong team player.
• High School Diploma or GED required.
• Valid Class A or Class B CDL REQUIRED.
• Current DOT Medical Examiner’s Certificate (Medical Card) REQUIRED.
• Must maintain a satisfactory driving record and meet Nextran Corporation’s driver qualification and insurability requirements.
• Ability to use computer systems and electronic applications for record-keeping, communication, scheduling, diagnostics, and other job-related functions.
• ASE and Cummins certifications are a plus.

Responsibilities

• Take your expertise on the road by traveling to customer locations and getting medium- and heavy-duty trucks back to work.
• Diagnose, troubleshoot, and solve problems using your technical knowledge and hands-on skills to identify the root cause and make the right repair.
• Keep trucks performing at their best by completing preventative maintenance, inspections, and recommended service.
• Tackle repairs from start to finish, including disassembly, repair, and reassembly of major truck components.
• Work closely with our Parts Department to quickly identify and obtain the parts needed to keep repairs moving.
• Build customer confidence through professional, knowledgeable, and courteous interactions at every service call.
• Keep the team informed by communicating repair updates, additional service needs, and potential delays with the Service Advisor/Dispatcher.
• Document your work with pride by providing accurate, detailed repair notes and recommendations.
• Look beyond the immediate repair by identifying safety concerns, additional service needs, and opportunities to help customers avoid future downtime.
• Support quality warranty repairs by properly saving and tagging parts when required.
• Help develop the next generation of technicians by providing guidance and direction to Apprentice Technicians when assigned.
• Take ownership of your tools and equipment by keeping company-owned tools, equipment, and technical manuals secure, organized, and in good condition.
• Work safely and responsibly by following all safety procedures and immediately reporting equipment or safety concerns.
• Stay ahead of the industry by keeping up with manufacturer technical bulletins, repair procedures, and evolving service requirements.
• Protect our customers, our team, and the environment by following all applicable regulations, including OSHA and hazardous waste requirements.
• Jump in where needed and take on other responsibilities that help our customers and team succeed.

Skills

Diesel engines

Diagnostics

Troubleshooting

Safety compliance

Education

High School Diploma or GED

Tools

Diagnostic tools

Job description

Nextran Truck Centers in Peoria, IL is hiring a Mobile Service Technician to bring hands-on service and repairs directly to our customers' locations. You’ll diagnose problems, perform preventive maintenance, and get medium- and heavy-duty trucks back on the road safely and efficiently.

This role rewards independence and problem solving, with opportunities to mentor apprentices, work with our parts team, and stay current on manufacturer bulletins while adhering to safety standards.