Diesel Truck Technician - Diagnostics & Repairs (Class 8)

CSM Companies, Inc; San Antonio (TX); On-site; USD 42,000 - 66,000; Full time

Benefits offered by this job

Excellent benefits

Job summary

French Ellison Truck Center is seeking entry level and experienced diesel truck mechanics to maintain and repair Class 8 trucks. Candidates should be mechanically inclined with prior diesel tech experience; CDL eligibility is a plus.

The role involves diagnosing faults, performing repairs, and documenting procedures clearly on repair orders. A strong emphasis on safety, teamwork, and customer communication is required.

Qualifications

• High School Diploma required; technical degree/certificate preferred.
• Experienced technicians should have 3–5 years in diesel mechanics.
• Ability to obtain a valid CDL is recommended.

Responsibilities

• Performs corrective and preventative maintenance on Class 8 vehicles.
• Troubleshoots systems including electrical, drivetrain, HVAC, brakes, engine, and suspension.
• Writes up detailed repair descriptions and repair procedures on the Repair Order.
• Uses diagnostic equipment to detect faults and tests repairs on vehicles.
• Communicates with shop foreman and parts department to coordinate repairs.

Skills

Mechanically inclined

Written and verbal communication

Education

High School Diploma

Technical degree or certificate (preferred)

Tools

Diagnostic equipment

Job description

French Ellison Truck Center is seeking entry level and experienced diesel truck mechanics to maintain and repair Class 8 trucks. Candidates should be mechanically inclined with prior diesel tech experience; CDL eligibility is a plus.

The role involves diagnosing faults, performing repairs, and documenting procedures clearly on repair orders. A strong emphasis on safety, teamwork, and customer communication is required.