Diesel Technician III

Job Description

Job Description

Position Summary: 

The Diesel Technician III is a senior-level technician responsible for advanced diagnostics, major component repair, and field service support. This role serves as a technical leader within the shop, contributing to operational oversight, quality control, and the training and development of junior technicians.

Essential Duties & Responsibilities:

• Perform complex repairs and replacements of engines, transmissions, and differentials.
• Lead advanced diagnostic efforts utilizing OEM software (e.g., Cummins, Volvo, CAT).
• Troubleshoot and repair after-treatment systems and electrical control components.
• Conduct and oversee DOT compliance inspections and certify completed repairs.
• Perform major repairs on air systems, hydraulic systems, and electronic brake systems.
• Conduct road tests, system calibrations, and post-repair performance verifications.
• Maintain organization of tools, parts inventory, and overall shop cleanliness.
• Train, mentor, and support the development of Technician I and II team members.
• Provide input on maintenance scheduling, equipment reliability, and cost trends.
• Support field service operations, including emergency roadside repairs as needed.
• Ensure accurate and thorough documentation of work performed in MC/E360 systems.
• Collaborate with the Equipment Services & Fabrication Manager to control repair costs and minimize equipment downtime.
• Partner cross-functionally with business units across Carver Companies to support operational needs.
• Perform other duties as assigned.

Required Qualifications:

• High school diploma or GED equivalent preferred.
• 5–8 years of experience in heavy-duty truck diagnostics and repair.
• Valid driver’s license with a clean driving record; ability to obtain or maintain a CDL-A.
• Advanced knowledge of diesel engines, after-treatment systems, and diagnostic processes.
• Inspector’s License (or ability to obtain within a specified timeframe).
• Demonstrated leadership, organizational, and communication skills.
• Ability to safely lift up to 75 pounds and work in active shop and job site environments.

Preferred Experience:

• Valid Class A CDL license or ability to obtain.
• OEM diagnostic certifications (e.g., Cummins, Volvo, CAT).
• Experience using maintenance and documentation systems such as MC/E360.
• Prior experience mentoring or training junior technicians.

Physical Requirements:

• Ability to stand, walk, bend, and lift up to 50 pounds for extended periods.
• Ability to perform repetitive tasks requiring manual dexterity and precision.
• Ability to work in a physically active shop environment.
• Required use of PPE (hard hat, safety vest, steel‑toe boots) in operational areas.

Work Environment:

• Shop-based environment with exposure to noise, heavy equipment, and moving vehicles.
• Exposure to varying temperatures, dust, fumes, and automotive fluids.
• Fast-paced, safety-sensitive setting requiring attention to detail and teamwork.
• Work schedules may include extended hours, weekends, or overtime based on operational needs.