Diesel Technician: Diagnose, Repair & Keep Heavy Trucks Moving

sappbroscareers; Illinois; On-site; USD 52,000 - 78,000; Full time

Benefits offered by this job

Competitive pay

Career advancement

Medical, dental, vision insurance

401(k) with company match

Tuition assistance

Gym membership reimbursement

Gas discounts

Job summary

Sapp Bros. is seeking a Diesel Technician to service heavy-duty trucks, trailers, and equipment. You’ll diagnose and repair mechanical and electrical issues, replace tires, and perform emergency roadside services while ensuring professional customer interactions.

Ideal candidates have 1+ years of diesel/auto repair experience, ASE certification preferred, and a strong focus on safety and quality. We offer training and growth in a team-driven environment with a commitment to support customers

Qualifications

• High school diploma or GED preferred.
• Valid driver’s license with a clean record.
• Medical Examiner’s Certificate.
• 1+ years of diesel or automotive repair experience.
• ASE certification preferred.
• Strong diagnostic skills for mechanical and electrical issues.
• Strong organizational and communication skills.
• Commitment to safety and customer service.

Responsibilities

• Diagnose and repair mechanical, electrical, and other issues in semi-tractors and trailers.
• Replace and balance tires according to procedures.
• Repair or replace starters, generators, brakes, and universal joints.
• Complete work orders and communicate service needs with customers.
• Perform emergency roadside repairs, including tire service.
• Mentor and train team members to enhance the workforce.
• Follow safety procedures and maintain a clean, organized workspace.

Skills

Diesel repair

Electrical diagnosis

Diagnostic skills

Customer service

Team mentorship

Safety focus

1+ years experience

Education

High school diploma or GED

Medical Examiner’s Certificate

Tools

ASE certification

Job description

Sapp Bros. is seeking a Diesel Technician to service heavy-duty trucks, trailers, and equipment. You’ll diagnose and repair mechanical and electrical issues, replace tires, and perform emergency roadside services while ensuring professional customer interactions.

Ideal candidates have 1+ years of diesel/auto repair experience, ASE certification preferred, and a strong focus on safety and quality. We offer training and growth in a team-driven environment with a commitment to support customers