Diesel Technician Heavy Duty Trucks

Job Title:

Experienced Diesel Technician -

Heavy-Duty Trucks Location:

Sheboygan, WI (Onsite)

Schedule:

Full-Time | Monday-Friday | 1st Shift (8:00 AM-5:00 PM or 7:30 AM-4:30 PM) | No weekends or nights Job Overview We are seeking an experienced Diesel Technician to join a respected, long-established heavy-duty truck service team serving Wisconsin and Illinois for over 40 years. This is a great opportunity for a skilled technician who wants a stable first-shift schedule, strong team culture, ongoing OEM training, and the ability to take ownership of repair work from diagnosis to completion. You will work on all-makes commercial trucks and buses, performing advanced diagnostics, repairs, and preventive maintenance. Senior technicians may also mentor junior team members and contribute to maintaining high service standards. Key Responsibilities Perform repairs as outlined on work orders with accuracy and efficiency Diagnose and troubleshoot mechanical, electrical, and performance issues Repair and overhaul diesel engines, transmissions, differentials, and driveline systems Service brake systems (air and hydraulic), steering, suspension, and HVAC systems Install and replace components including injectors, pistons, liners, camshafts, bearings, clutches, and more Use diagnostic software/tools to identify and resolve issues Conduct road tests to verify repairs and vehicle performance Document all work performed according to company and industry standards Follow all safety procedures and maintain a clean, compliant work environment Support continuous improvement and participate in ongoing technical training Required Qualifications 5+ years of hands-on experience with diesel engines and heavy-duty trucks Strong diagnostic and troubleshooting skills (mechanical and electrical systems) Experience with engines, transmissions, differentials, brakes, steering, and driveline systems Ability to use diagnostic computers/software Must own a complete professional toolset Valid driver's license with a clean driving record Ability to obtain a CDL if not already held High school diploma or equivalent (technical/vocational training preferred) Preferred Qualifications ASE certifications and/or OEM training

EPA 608/609

certification Experience with International trucks or Cummins engines Prior dealership or fleet maintenance experience What We Offer Stable Monday-Friday schedule (no nights or weekends) Small, team-oriented shop environment (no micromanagement) Family-like culture with strong technician respect and support Tool and work boot allowance Ongoing OEM-certified training and internal development programs Opportunity to work independently and grow into a lead technician role Work Environment Small, highly skilled technical team (lean shop structure) Focus on quality repairs, efficiency, and continuous improvement Mentorship opportunities for senior technicians Diesel Technician, Heavy Duty Diesel Mechanic, Truck Technician, Diesel Mechanic Jobs Wisconsin, Commercial Truck Repair, Diesel Engine Diagnostics, Fleet Maintenance Technician, ASE Certified Diesel Mechanic, Cummins Technician, Truck Mechanic Sheboygan