Semi Truck Mechanic

Mast Trucking, Inc.; United States; On-site; USD 28,000 - 48,000; Full time

Job summary

Mast Trucking, Inc. is seeking a Diesel Technician / Truck Tech for our Millersburg, OH shop. This full-time, on-site position offers $20–$35/hour based on experience and ability, with opportunities to work on semi-trucks and trailers using diagnostic software.

You will diagnose, repair, and maintain diesel equipment, perform DOT inspections, and keep accurate records while ensuring safety and reliability on the road.

Qualifications

• Previous experience working on semi-trucks and trailers or similar over-the-road equipment.
• Strong mechanical, electrical, and troubleshooting skills.
• Comfortable using computers and diagnostic software to troubleshoot equipment.
• Able to work independently and figure things out without needing constant direction.
• Reliable and shows up when scheduled.
• Takes pride in doing repairs correctly.
• CDL is helpful, but not required.

Responsibilities

• Diagnose and repair diesel trucks and trailers.
• Troubleshoot electrical systems and use diagnostic software to identify and resolve issues.
• Perform preventative maintenance and scheduled services.
• Repair brakes, suspension, air systems, cooling systems, and other truck components.
• Complete DOT-related inspections and repairs.
• Identify problems before they turn into bigger repairs.
• Keep accurate records of work completed.
• Maintain a clean and organized work area.
• Work with the rest of the shop to keep equipment safe and on the road.

Skills

Diesel knowledge

Troubleshooting

Mechanical skills

Electrical systems

Diagnostic software

Tools

Diagnostic software tools

Job description

Diesel Technician / Truck Tech

Location: Millersburg, OH
Pay: $20–$35/hour, based on experience
Company: Mast Trucking/Central Service

We're looking for someone who knows their way around diesel equipment, can diagnose problems, make solid repairs, and get equipment safely back on the road.

What You'll Do

• Diagnose and repair diesel trucks and trailers

• Troubleshoot electrical systems and use diagnostic software to identify and resolve issues

• Perform preventative maintenance and scheduled services

• Repair brakes, suspension, air systems, cooling systems, and other truck components

• Complete DOT-related inspections and repairs

• Identify problems before they turn into bigger repairs

• Keep accurate records of work completed

• Maintain a clean and organized work area

• Work with the rest of the shop to keep equipment safe and on the road
  

What We're Looking For

• Previous experience working on semi-trucks and trailers or similar over-the-road equipment

• Strong mechanical, electrical, and troubleshooting skills

• Comfortable using computers and diagnostic software to troubleshoot equipment

• Able to work independently and figure things out without needing constant direction

• Reliable and shows up when scheduled

• Takes pride in doing repairs correctly

• CDL is helpful, but not required

We care more about what you can actually do than having a long list of certifications.

$20–$35/hour based on experience and ability.

If you're an experienced diesel mechanic who can diagnose and handle repairs independently, we'll pay accordingly. If you're newer to the field but have solid mechanical ability, we'll consider you. This is a full-time, on-site position at our Millersburg shop. We expect good work, reliability, and straightforward communication.

• Previous experience working on semi-trucks and trailers or similar over-the-road equipment

• Be able to pass background check and drug screen

• Valid DL