Lead Diesel Mechanic: Diagnostics & Fleet Leadership

Mechanics Hub; Herrin (IL); On-site; USD 65,000 - 90,000; Full time

Job summary

Mechanics Hub in Herrin, Illinois is seeking a Lead Diesel Mechanic with 5+ years of experience in medium to heavy truck repair to lead a skilled team of technicians. You will diagnose, repair, and oversee diesel systems while upholding safety standards.

You will conduct test drives, manage on-site repairs, document work performed, and mentor junior technicians, ensuring fleet readiness and compliance with DOT and company policies.

Qualifications

• 5+ years of experience in medium/heavy truck repair including diagnostics and electrical systems.
• In-depth knowledge of diesel equipment and AC repair.
• CDL preferred and on-the-job training available.
• Ownership of recommended hand tools.

Responsibilities

• Diagnose and repair vehicle systems including steering, electrical, cooling, braking and drivetrain.
• Conduct test drives to verify repairs and ensure safety.
• Obtain necessary inspections and approvals for major repairs before releasing vehicles.
• Maintain a safe, clean and organized workspace in adherence to safety standards.
• Identify and report additional maintenance needs during repairs to ensure fleet reliability.

Skills

Diesel truck repair

Leadership

Diagnostics

Electrical systems

Tools

Hand tools

Job description

Mechanics Hub in Herrin, Illinois is seeking a Lead Diesel Mechanic with 5+ years of experience in medium to heavy truck repair to lead a skilled team of technicians. You will diagnose, repair, and oversee diesel systems while upholding safety standards.

You will conduct test drives, manage on-site repairs, document work performed, and mentor junior technicians, ensuring fleet readiness and compliance with DOT and company policies.