Diesel Technician/Mechanic (L3D)

Heavy-Duty Diesel Technician — Level 3D The Opportunity: Looking for a shop where your experience and diagnostic skills are valued? The Service Company has been family-owned since 1978, and we've grown into one of the region's go-to names in heavy-duty truck repair — with locations across Ohio. We didn't get here by accident. We got here by investing in our people. This is an advanced technician role for someone who can take on difficult diagnostics, engine repairs, and complex electronic systems. If you're the tech others turn to when the problem isn't obvious — we want to talk Position Overview: The Level 3D Technician is an advanced heavy-duty technician capable of diagnosing and repairing complex mechanical and electronic systems on commercial vehicles. This position requires strong engine diagnostic and repair skills, advanced electrical knowledge, and the ability to use OEM software and available resources to accurately diagnose difficult repairs. What you would be doing: Engine Diagnosis & Repair: Diagnose and repair internal and external engine components across multiple manufacturers. Use OEM diagnostic software for Volvo, Mack, PACCAR, Cummins, CAT, Freightliner, Hino, and other manufacturers. Aftertreatment Systems: Diagnose and repair emissions and aftertreatment systems and understand their relationship with engine performance. Advanced Electrical & Electronics: Diagnose complex electrical problems, electronic engine controls, wiring, sensors, and vehicle communication systems. ABS Systems: Diagnose and repair ABS systems using Bendix, WABCO, and other diagnostic software. Cab & Chassis Controllers: Diagnose and repair electronic control modules and related vehicle communication systems. Automated Transmissions: Diagnose and repair automated transmission systems, including Volvo I-Shift, PACCAR TX, Freightliner, Eaton Endurant, and similar systems. Advanced Diagnostics: Troubleshoot and repair other complex vehicle systems including collision warning, telematics, electronically controlled systems, and other advanced vehicle technology. Required Skills & Abilities: Strong diagnostic and problem-solving skills Ability to work independently on complex repairs Strong mechanical, electrical, and electronic knowledge Ability to effectively use diagnostic software, service information, and technical resources Effective communication and teamwork Strong attention to detail and time management Ability to adapt to changing vehicle technology Education/Experience: High school diploma or equivalent Valid driver's license Minimum 2 years of heavy-duty truck repair experience Strong experience with diesel engines, electronics, diagnostics, and multiple manufacturers Physical Requirements: Ability to stand, bend, kneel, and lift up to 50 pounds as needed. Why Work With Us: First Shift Paid Vacation available day 1 Holiday Pay IRA retirement plan with company match Family-owned and in business since 1978 — stable, growing, and reinvesting in our people Ready to put your experience to work and take on the repairs that challenge other technicians? Apply today.