Senior Diesel Technician — Lead, Diagnose & Mentor

Lakeside International, L.L.C.; Milwaukee (WI); On-site; USD 60,000 - 90,000; Full time

Job summary

Lakeside International Trucks in Milwaukee is seeking an experienced diesel technician to join its Service team. You’ll diagnose, repair, and maintain heavy‑duty trucks and engines with a focus on safety and efficiency, following dealership and OEM standards.

You’ll work independently yet collaborate with senior techs and customers while benefiting from ongoing training and a supportive culture. As a lead technician, you may mentor developing diesel technicians and contribute to a lifetime of

Qualifications

• High School Diploma or equivalent; Vocational or technical certification on vehicle repairs.
• 5+ years of experience with diesel engines and heavy-duty trucks.
• Training and experience in engine, transmission, differentials diagnosis; ASE, 608/609 certifications.
• Ability to use diagnostic computers for troubleshooting and repairs.
• Own toolset and valid CDL required or attainable; clean driving record.

Responsibilities

• Perform work as outlined on repair orders with efficiency and accuracy per dealership and factory standards.
• Diagnose vehicle problems based on customer complaints and inspections; advise on safety or service needs.
• Troubleshoot and repair suspension, driveline, steering, brakes, engine, electrical systems.
• Install components and parts including injectors, pistons, bearings, oil pans, clutches, transmissions.
• Document all work performed and recommended repairs; conduct road tests as needed.
• Adhere to company and industry safety standards; plan work for maximum efficiency.
• Participate in ongoing training and development to support career and company goals.

Skills

Diesel engines experience

Heavy-duty trucks

ASE Certification

608/609 certifications

Diagnostics equipment use

CDL

Education

High School Diploma or equivalent

Vocational or technical certification on vehicle repairs

Tools

Diagnostics computer

Own toolset

Job description

Lakeside International Trucks in Milwaukee is seeking an experienced diesel technician to join its Service team. You’ll diagnose, repair, and maintain heavy‑duty trucks and engines with a focus on safety and efficiency, following dealership and OEM standards.

You’ll work independently yet collaborate with senior techs and customers while benefiting from ongoing training and a supportive culture. As a lead technician, you may mentor developing diesel technicians and contribute to a lifetime of