Field Diesel Service Tech - Heavy-Duty Truck Diagnostics

Coast Counties Truck & Equipment Company; Salinas (CA); On-site; USD 52,000 - 83,000; Full time

Job summary

Coast Counties Peterbilt is seeking a Mobile Diesel Service Technician to diagnose, repair, and maintain Peterbilt heavy-duty trucks in the field. You will travel to customer sites, perform diagnostic and mechanical work, and ensure safety and quality standards are met.

The role requires strong technical skills, independence, and excellent customer service, often working solo at customer locations or roadside. CDL is a plus for road tests.

Qualifications

• Paccar and / or Cummins certification
• Diagnostic / Repair experience with electrical / after-treatments systems
• Brakes, Oil Changes, Clutch Jobs & other general truck repairs
• 5 years working on heavy duty diesel trucks / equipment
• Clean DMV record and current driver’s license.

Responsibilities

• Perform diagnostic and mechanical repairs on heavy-duty trucks and components.
• Travel to customer locations to provide on-site service and roadside assistance.
• Accurately document all troubleshooting steps, repairs performed, and parts used.
• Communicate effectively with the Service Manager and office personnel regarding parts availability and job status.
• Bill out all time worked at customers’ locations.

Skills

5+ years heavy duty diesel experience

Diagnostic & repair experience

Driver's license

Clean DMV record

Brake work

Oil changes

Clutch jobs

Electrical / after-treatments systems

Education

Paccar and Cummins certification

Job description

Coast Counties Peterbilt is seeking a Mobile Diesel Service Technician to diagnose, repair, and maintain Peterbilt heavy-duty trucks in the field. You will travel to customer sites, perform diagnostic and mechanical work, and ensure safety and quality standards are met.

The role requires strong technical skills, independence, and excellent customer service, often working solo at customer locations or roadside. CDL is a plus for road tests.