Senior Truck Service Technician 3: Engine Diagnostics

HOLT Group; Houston (TX); On-site; USD 70,000 - 100,000; Full time

Job summary

HOLT Truck Centers is seeking a Senior Truck Service Technician 3 in Houston, TX. The role focuses on diagnosing and repairing engines and related systems, with responsibilities including detailed inspections, road testing, and documentation.

A mentor to junior staff is expected, and adherence to safety and company values is required. Qualified candidates have 6+ years of experience, a CDL Class A/B, and relevant ASE/AC/Brake certifications.

Qualifications

• High school diploma or equivalent; technical schooling preferred.
• Must have CDL – Class A or B.
• ASE – Medium/Heavy Truck Certification preferred; other certifications valued.

Responsibilities

• Diagnoses, repairs, and reconditions engines and related systems.
• Perform detailed engine repairs on trucks and trailers with minimal supervision.
• Disassemble, inspect, and reassemble components to factory specifications.
• Provide quality control inspections and road testing of completed work.
• Document service reports, parts, and time accurately.
• Mentor and coach lower-level technicians; participate in safety training.

Skills

Diagnostics

Engine repair

Electrical systems

Team mentorship

Safety compliance

Customer communication

Education

High school diploma

CDL Class A or B

ASE Certification (Medium/Heavy Truck)

AC Certification

Brake System Certification

Job description

HOLT Truck Centers is seeking a Senior Truck Service Technician 3 in Houston, TX. The role focuses on diagnosing and repairing engines and related systems, with responsibilities including detailed inspections, road testing, and documentation.

A mentor to junior staff is expected, and adherence to safety and company values is required. Qualified candidates have 6+ years of experience, a CDL Class A/B, and relevant ASE/AC/Brake certifications.