Prototype Diesel Technician

TPG is actively seeking a skilled Prototype Diesel Technician to join our team based in New Carlisle, Indiana. Join our team supporting a leading global company dedicated to building state‑of‑the‑art commercial vehicles. Successful candidates will support the research and development efforts to create the next generation of commercial transport solutions, driving innovation in the truck and transport industry.

The Prototype Diesel Technician will be responsible for servicing and repairing complex mechanical and electronic systems of vehicles, as well as providing support with in‑test inspections, vehicle repairs, and more. This position will involve hands‑on construction or modification of prototype vehicles, including medium‑, bus, and heavy‑duty trucks with various powertrains such as diesel, electric, and alternative fuels. The Prototype Diesel Technician will work on 1st, 2nd or 3rd shifts.

The build operations department supports the R&D departments in the day‑to‑day operations and ensures that testing is not interrupted due to equipment failure or delays.

• Diagnose mechanical, hardware, software, and systems failures using established procedures.
• Perform maintenance, testing, and calibration of repaired products.
• Prepare reports for analysis of product failure trends and serviceability issues.
• Communicate with field‑based technicians for details helpful to failure diagnostics or repair, but generally without direct client contact.
• Electrical troubleshooting and diagnostics.
• Assemble and modify commercial vehicles according to engineering specifications.
• Perform installations of components such as engines, transmissions, axles, and suspension systems.
• Conduct pre‑delivery inspections to ensure vehicles meet quality standards.
• Troubleshoot and diagnose mechanical, electrical, and hydraulic issues.
• Other duties as assigned.

• Excellent prioritization, organization, and time management skills.
• Must be detail‑oriented to manage the intricate requirements of prototype diesel builds and contribute effectively to the team's success.
• Must demonstrate strong communication skills, with the ability to adapt language and detail level to provide clear updates to engineers and other team members regarding build status.
• Must demonstrate technological proficiency, particularly with Microsoft Office Suite, to effectively manage build documentation, reports, and team communications.
• Ability to work independently in a fast‑paced, multi‑tasking environment with shifting priorities while maintaining confidentiality.
• Ability to analyze and solve problems.
• Strong mechanical aptitude.
• Previous experience with commercial vehicles.
• Experience with high‑voltage systems is a plus. This includes safe handling, troubleshooting, and integration within vehicles.
• Experience with alternative fuels, including EVs (electric vehicles).
• Experience with Cummins/Allison/Eaton/Duramax.
• Education or certification in Truck or Diesel Engine Mechanics, or equivalent experience.
• Welding fabrication with Mig and Stick welding skills & plasma cutting a plus.
• Knowledge of multimeter and/or module programming.

• Recent graduate from a College or Trade School, preferably with training in Heavy‑Duty Vehicle Repair, Diesel Technology, Automotive Technology or a related field.
• OR
• At least 1 year of hands‑on experience in Heavy Vehicle maintenance, repair, in a fleet or dealership service department (a combination of education and experience will also be considered).
• Demonstrates the ability to work collaboratively in diverse and challenging environments, maintaining effective communication and adaptability in dynamic settings.
• Possession of an active CDL A is a plus but not mandatory.

• Safety Sensitive position requiring all persons assigned to activity be drug‑free and successfully pass drug screening prior to employment.
• Requirement to lift at least 50 lbs.
• Ability to stand, kneel, or operate tools for extended periods of time.
• Must provide own tools for their use on the job; company will have access to specialty equipment.