Diesel Technician: Heavy-Duty Diagnostics & PM

Work at County; Marathon City (WI); On-site; USD 52,000 - 76,000; Full time

Benefits offered by this job

Health, dental and vision insurance

401(k) match

Paid time off

Safety gear/equipment allowance

Job summary

County Materials in Marathon, Wisconsin is seeking a Mechanical Technician with strong experience in diesel engines and heavy-duty equipment. You will maintain, troubleshoot, and repair trucks and large machinery to ensure safe, reliable operation and compliance with DOT standards.

The role involves diagnostics, preventive maintenance, and responding to breakdowns, with emphasis on accuracy, safety, and teamwork.

Qualifications

• High School Diploma or Equivalent.
• Minimum of 2 years' experience in diesel mechanics.
• A valid driver's license and good driving record is required.
• CDL preferred.

Responsibilities

• Troubleshoot, diagnose, and repair diesel engines, trucks, and heavy-duty equipment.
• Perform mechanical, hydraulic, and pneumatic repairs as needed.
• Complete preventative maintenance (PMs) and DOT inspections.
• Respond to emergency and unscheduled equipment breakdowns to reduce downtime.
• Read and interpret technical manuals, schematics, and service documentation.
• Operate, maintain, and inspect shop tools and equipment.
• Follow all safety procedures, regulatory requirements, and quality standards.
• Accurately document repairs, inspections, and maintenance activities.
• Support team operations and assist with special projects or tasks.

Skills

Diesel engines knowledge

Mechanical systems

Diagnostics & troubleshooting

Preventative maintenance

Welding

Communication

Attention to detail

Education

High School Diploma or equivalent

CDL preferred

Tools

Pneumatic systems

Job description

County Materials in Marathon, Wisconsin is seeking a Mechanical Technician with strong experience in diesel engines and heavy-duty equipment. You will maintain, troubleshoot, and repair trucks and large machinery to ensure safe, reliable operation and compliance with DOT standards.

The role involves diagnostics, preventive maintenance, and responding to breakdowns, with emphasis on accuracy, safety, and teamwork.