Diesel Technician Apprentice - Hands-On Maintenance

Jobtailor; Madison (WI); On-site; USD 55,000 - 85,000; Full time

Job summary

Jobtailor in Madison, WI is seeking an experienced Diesel Technician to perform routine inspections, oil changes, and preventive maintenance on diesel engines and heavy-duty systems. You will collaborate with senior technicians and use diagnostic tools such as OBD scanners and multimeters to troubleshoot and repair components.

This role requires a high school diploma, a relevant technical certification, and 12 years of experience working on heavy-duty diesel trucks.

Qualifications

• High school diploma or equivalent required.
• Technical diploma or certification in automotive, diesel mechanics, or heavy-duty truck repair preferred.
• 12 years of experience working on light-duty or heavy-duty diesel trucks.
• Basic understanding of diesel engine systems, air brakes, and hydraulics.
• Familiarity with OEM diagnostic platforms (Cummins Insite, Detroit Diesel DiagnosticLink, etc.).
• Ability to read service manuals, wiring diagrams, and schematics.
• Strong attention to detail and safety-first mindset.
• Dependable attendance and team-oriented attitude.
• Ability to lift 50–75 lbs.
• Ability to work in confined spaces and varying shop conditions.

Responsibilities

• Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems
• Assist senior technicians with diagnostics using tools such as OBD scanners, multimeters, and air gauges
• Disassemble, repair, and reassemble components including fuel systems, aftertreatment systems, and suspension components under supervision
• Accurately document all work performed using digital service management software
• Maintain a clean, organized, and safe work area in compliance with company policies and OSHA standards
• Coordinate with the parts department to identify needed components
• Participate in on-the-job training and manufacturer certification programs

Skills

Attention to detail

Problem solving

Safety-first mindset

Team oriented

Dependable attendance

Education

High school diploma

Technical diploma/certification

Tools

OBD scanners

Multimeters

Air gauges

Job description

Jobtailor in Madison, WI is seeking an experienced Diesel Technician to perform routine inspections, oil changes, and preventive maintenance on diesel engines and heavy-duty systems. You will collaborate with senior technicians and use diagnostic tools such as OBD scanners and multimeters to troubleshoot and repair components.

This role requires a high school diploma, a relevant technical certification, and 12 years of experience working on heavy-duty diesel trucks.