Sheboygan, WI Experienced Diesel Technician with ASE certificate

Job Overview

We are seeking a highly skilled and experienced Diesel Technician to join a growing service and maintenance team supporting heavy-duty commercial vehicles. This role is ideal for professionals with strong diagnostic capabilities, hands-on mechanical expertise, and a commitment to safety, quality, and efficiency.

The successful candidate will independently perform inspections, diagnostics, repairs, and preventive maintenance on diesel-powered trucks and equipment while maintaining high service standards and productivity.

Schedule:

• Monday–Friday
• Day Shift
• No weekends or overnight shifts

Key Responsibilities

• Diagnose, troubleshoot, and repair diesel engines and heavy-duty commercial vehicles
• Perform major and minor mechanical repairs according to manufacturer and industry standards
• Inspect vehicles and identify required maintenance or safety-related repairs
• Repair and maintain:
  • Diesel engines
  • Electrical systems
  • Air and hydraulic brake systems
  • Steering and suspension systems
  • Driveline and drivetrain components
  • Transmissions and differentials
• Remove, install, and replace major components including injectors, clutches, bearings, cylinder heads, camshafts, batteries, and transmissions
• Utilize computerized diagnostic tools and equipment for troubleshooting and repair verification
• Complete repair orders and maintenance documentation accurately
• Conduct road tests when necessary to verify repairs
• Maintain a clean, organized, and safe work environment
• Follow all workplace safety procedures and compliance standards
• Support continuous improvement initiatives and technical training programs
• Mentor junior technicians when needed

Qualifications

• High School Diploma or equivalent required
• Technical or vocational training in diesel or automotive technology preferred
• Minimum 5 years of experience working on diesel engines and heavy-duty trucks
• Strong experience with diagnostics and electrical troubleshooting
• Hands-on experience with:
  • Engine repair
  • Transmission systems
  • Driveline components
  • Steering systems
  • Brake systems
• Ability to read and interpret technical manuals and repair documentation
• Proficient with diagnostic software and repair tools
• ASE Certification and 608/609 Certifications preferred
• Must possess personal tools required to perform assigned duties
• Valid driver's license with clean driving record required
• Ability to obtain a CDL preferred
• Stable and reliable work history

Required Skills

• Diesel Technician
• Diesel Mechanic
• Diesel Engine Repair
• Heavy-Duty Truck Maintenance
• Diagnostics & Troubleshooting
• Electrical Systems
• Engine Repair
• Drivetrain & Driveline Repair
• Transmission Repair
• Steering & Suspension Systems
• Brake Systems
• ASE Certification
• 608/609 Certification

What We Offer

• Stable weekday schedule
• Long-term career growth opportunities
• Ongoing technical training and development
• Professional and safety-focused work environment
• Opportunity to work with advanced diesel systems and equipment