Diesel Technician: Heavy-Duty Diagnostics & Repair

Wisconsin Country Staffing & Recruiting; Oshkosh (WI); On-site; USD 52,000 - 76,000; Full time

Job summary

Wisconsin Country Staffing & Recruiting in Oshkosh, WI is seeking a Diesel Technician to diagnose, repair and maintain diesel engines for trucks and heavy equipment. You will use diagnostic tools, perform engine overhauls, and conduct brake repairs with a focus on safety and high-quality service.

Responsibilities include routine preventative maintenance, customer communication, and ensuring timely turnaround while mentoring junior staff as needed.

Qualifications

• This role requires experience diagnosing, repairing and maintaining diesel engines and equipment.
• Proficiency with diagnostic tools and adherence to safety standards.
• Experience with heavy trucks, buses, or diesel machinery is a plus.

Responsibilities

• Diagnose mechanical, electrical and hydraulic issues in diesel vehicles and equipment using diagnostic tools.
• Perform engine overhauls, transmission and brake repairs on heavy machinery.
• Conduct routine preventative maintenance and ensure safety and compliance.

Skills

Diesel engines

Diagnostics

Heavy equipment

Troubleshooting

Communication

Safety compliance

Education

High school diploma

Diesel technician training or apprenticeship

ASE Diesel Engines certification

CDL may be required

Valid driver’s license

Tools

Multimeters

Engine analyzers

Pressure gauges

Job description

Wisconsin Country Staffing & Recruiting in Oshkosh, WI is seeking a Diesel Technician to diagnose, repair and maintain diesel engines for trucks and heavy equipment. You will use diagnostic tools, perform engine overhauls, and conduct brake repairs with a focus on safety and high-quality service.

Responsibilities include routine preventative maintenance, customer communication, and ensuring timely turnaround while mentoring junior staff as needed.