Diesel Technician

Job Description

The Service Technician III is a master-level technician responsible for advanced diagnostics, troubleshooting, and repair of complex mechanical, electrical, electronic, and pneumatic systems on transit and other heavy-duty vehicles. This subject matter expert plays a critical role in ensuring service excellence by leading complex service projects, providing remote and on‑site technical assistance, and serving as a primary technical resource for the service and warranty organization.

In addition to hands‑on repair work, the Service Technician III mentors junior technicians, supports production quality control, contributes to engineering product improvement, and participates in continuous improvement initiatives. The role may also deliver technical training to external customers and support internal production training efforts, while frequently traveling to customer sites, vendor locations, and company facilities.

The Service Technician III is a master-level technician responsible for advanced diagnostics, troubleshooting, and repair of complex mechanical, electrical, electronic, and pneumatic systems on transit and other heavy-duty vehicles. This subject matter expert plays a critical role in ensuring service excellence by leading complex service projects, providing remote and on‑site technical assistance, and serving as a primary technical resource for the service and warranty organization.

In addition to hands‑on repair work, the Service Technician III mentors junior technicians, supports production quality control, contributes to engineering product improvement, and participates in continuous improvement initiatives. The role may also deliver technical training to external customers and support internal production training efforts, while frequently traveling to customer sites, vendor locations, and company facilities.

• Perform advanced troubleshooting and diagnostics on electrical, mechanical, hydraulic, and pneumatic systems for transit vehicles and other heavy‑duty equipment.
• Lead complex service and repair projects with minimal supervision, ensuring timely and high‑quality completion of all work.
• Calibrate, repair, and maintain critical system components and safety equipment to meet performance and safety standards.
• Provide remote and on‑site technical assistance to customers, field personnel, and internal teams to resolve complex service issues.
• Serve as a subject matter expert on products and systems, offering guidance on best practices and technical solutions.
• Mentor and train junior service technicians, including Service Technician I and II levels, to build technical capability and consistency across the team.
• Deliver technical training to external customers or internal production teams as needed to support proper use, maintenance, and repair of equipment.
• Complete, review, and submit service documentation accurately and thoroughly, ensuring all work performed is clearly recorded.
• Coordinate with engineering, production, and OEM partners to diagnose root causes, resolve service issues, and support product improvement initiatives.
• Support production quality control activities by identifying defects, verifying repairs, and contributing to continuous improvement of processes and products.
• Identify areas for improvement in service procedures and provide input on process enhancements and best practices.
• Participate in ongoing training to stay current with evolving technologies, diagnostic tools, and industry standards.
• Maintain tools, diagnostic equipment, and service vehicles in safe, functional condition, and report any issues promptly.
• Adhere to and actively promote company safety policies and procedures, and ensure compliance with applicable safety standards and regulations.
• Manage multiple service tasks and projects simultaneously, prioritize workload effectively, and meet deadlines in a dynamic environment.
• Travel regularly, including air travel, to customer sites, vendor locations, and company facilities, with an approximate travel requirement of 70%.
• Perform physically demanding tasks in diverse field environments,…