Fleet Diesel Mechanic - Diagnostics, PM & Repairs

QTC Inc.; Rocklin (CA); On-site; USD 60,000 - 80,000; Full time

Job summary

QTC Inc. is seeking an experienced Fleet Mechanic in Rocklin, CA to maintain and repair trucks, trailers, and construction equipment. You will diagnose problems, perform repairs, and conduct preventive maintenance to keep the fleet safe and field-ready.

The role requires hands-on mechanical work, ability to read inspection reports and estimates, and effective communication with drivers and vendors. Valid driver’s license is required.

Qualifications

• Previous experience as a fleet, diesel, automotive, heavy-equipment, or commercial-vehicle mechanic.
• Experience maintaining and repairing trucks and trailers.
• Strong troubleshooting and diagnostic skills.
• Ability to identify conditions that could place a commercial vehicle out of service.
• Ability to perform hands-on mechanical work with limited supervision.
• Ability to read inspection reports, repair estimates, service records, and diagnostic information.
• Strong organization, communication, and follow-through.
• Valid driver’s license with an acceptable driving record.

Responsibilities

• Perform preventive maintenance, inspections, diagnostics, and repairs on trucks, trailers, and equipment.
• Diagnose mechanical, electrical, brake, suspension, battery, lighting, and trailer issues.
• Determine whether repairs should be done in-house or via an outside vendor.
• Review defects and decide if vehicles are safe to remain in service.
• Identify conditions that could place a vehicle out of service.
• Maintain maintenance schedules and coordinate required services and inspections.
• Assist with DOT annual inspections and roadside findings.
• Maintain accurate maintenance, repair, inspection, and service records.
• Review Samsara information related to vehicle faults and needs.
• Communicate with dealerships, repair facilities, towing companies, and parts suppliers.
• Respond to breakdowns and urgent issues as needed.
• Assist with new vehicle setup, registrations, and preparation for field use.

Skills

Fleet maintenance

Diesel engines

Heavy equipment

Troubleshooting

Diagnostic tools

Inspection reports

Valid driver's license

Tools

Samsara

Job description

QTC Inc. is seeking an experienced Fleet Mechanic in Rocklin, CA to maintain and repair trucks, trailers, and construction equipment. You will diagnose problems, perform repairs, and conduct preventive maintenance to keep the fleet safe and field-ready.

The role requires hands-on mechanical work, ability to read inspection reports and estimates, and effective communication with drivers and vendors. Valid driver’s license is required.