Senior Truck Diagnostics & Engine Repair Technician

HOLT Truck Centers; Temple (TX); On-site; USD 55,000 - 90,000; Full time

Job summary

HOLT Truck Centers in Temple, TX is seeking a senior technician to diagnose, repair, recondition and adjust key truck systems and related equipment. This is a high‑experience role requiring extensive hands‑on knowledge, self‑direction, and the ability to mentor junior technicians.

You will perform engine work, test drives, document service reports, and ensure safety and quality. The position requires a CDL, high school diploma, ASE/AC/Brake certifications, and readiness to work overtime and

Qualifications

• High school diploma or equivalent, accreditation from a technical school or an applicable skilled trades program required
• CDL – Class A or B required
• ASE – Medium/Heavy Truck Certification four or more preferred
• AC Certification Required
• Brake System Certification Required
• Has met HDSI requirements for preceding Technician levels; Ability to model and teach Holt’s VBL Culture
• On-going Safety Training required

Responsibilities

• Models, promotes, reinforces, and rewards the consistent use of HOLT's Values Based Leadership (VBL) tools, models, and processes to ensure alignment with our Vision, Values, and Mission
• Troubleshoots and diagnoses complex engine malfunctions and failures with direction and minimum supervision
• Performs detailed engine and related equipment repairs on trucks and trailers with direction and minimum supervision
• Disassembles, inspects, determines parts required, and reassembles to factory specifications within TRGs
• Provides quality control/assurance inspections of completed tasks to include road testing
• Uses computers and related software to assist in diagnosing and reprograming engines
• Completes documentation for service reports, timecards, parts requisition and returns
• Interprets and utilizes information from operating, maintenance, online resources, and service manuals/bulletins
• Operates equipment and vehicles with possession of all necessary licenses and certificates
• Adheres to contamination control and HAZMAT rules and regulations
• Maintains all company equipment, tools, and vehicle in a good, clean, and working order
• Communicates job progress to supervisor and customer as needed
• Works overtime as required by workload and customers’ needs
• Projects professionalism with both internal and external customers, including personal appearance
• Acts as a mentor and coach to lower level Technicians
• Completes all assigned Technician Training Path courses and safety training
• Consistently maintains an average rework of less than 0.5%
• Ensures a positive average variance consistently
• Works safely at all times and adheres to all applicable safety policies; complies with all company policies, procedures, and standards
• Requires regular and punctual employee attendance
• Performs other duties as assigned

Skills

Troubleshooting

Engine repair

Diagnostics

Mentoring

Customer service

Team collaboration

Education

High school diploma or equivalent

CDL – Class A or B

ASE – Medium/Heavy Truck Certification

AC Certification

Brake System Certification

Job description

HOLT Truck Centers in Temple, TX is seeking a senior technician to diagnose, repair, recondition and adjust key truck systems and related equipment. This is a high‑experience role requiring extensive hands‑on knowledge, self‑direction, and the ability to mentor junior technicians.

You will perform engine work, test drives, document service reports, and ensure safety and quality. The position requires a CDL, high school diploma, ASE/AC/Brake certifications, and readiness to work overtime and