Diesel Technician: Advanced Diagnostics & Growth

Western Peterbilt, Inc.; Stockton (CA); On-site; USD 30,000 - 47,000; Full time

Benefits offered by this job

Health benefits

Pay & bonuses

Boot allowance

401(k) with company match

Job summary

Dobbs Truck Group is seeking a Diesel Technician to diagnose, repair, and maintain heavy-duty trucks and equipment. This hands-on role supports independent work while growing diagnostic expertise, with opportunities across a network of dealerships including Dobbs Peterbilt and Western Truck Center.

The position emphasizes mechanical and electrical diagnostics, engine and drivetrain repairs, preventive maintenance, and careful documentation.

Qualifications

• 3 years of mechanical experience or trade/technical school training.
• High school diploma or GED.
• Strong mechanical and diagnostic skills.
• Ability to work independently and in a team environment.
• Required tool set.

Responsibilities

• Diagnose mechanical and electrical issues on diesel trucks.
• Perform repairs on engines, transmissions, drivetrains, and fuel systems.
• Troubleshoot advanced systems including electrical and aftertreatment.
• Perform preventative maintenance and scheduled services.
• Maintain a clean and organized work area.
• Accurately document work performed and repairs completed.

Skills

Strong mechanical and diagnostic

Independent & teamwork

Education

High school diploma or GED

3 years mechanical experience or trade/technical school training

Job description

Dobbs Truck Group is seeking a Diesel Technician to diagnose, repair, and maintain heavy-duty trucks and equipment. This hands-on role supports independent work while growing diagnostic expertise, with opportunities across a network of dealerships including Dobbs Peterbilt and Western Truck Center.

The position emphasizes mechanical and electrical diagnostics, engine and drivetrain repairs, preventive maintenance, and careful documentation.