Lead Diesel Mechanic — Safety‑Driven Fleet Leader

Clean Harbors; Dolton (IL); On-site; USD 79,000 - 89,000; Full time

Benefits offered by this job

Health benefits after 30 days

401K with company match

Paid time off

Tuition reimbursement

Uniforms and PPE

OEM certifications training

Company-provided training

Job summary

Clean Harbors in Dolton, IL is seeking a Lead Diesel Mechanic to oversee day-to-day shop operations, supervise maintenance work, and ensure DOT compliance for the fleet. This role emphasizes safety, accuracy in service/parts records, and leadership of a technical team.

The ideal candidate has 5-7 years of diesel engine experience, DOT inspection history, and strong proficiency with electrical/ECMs, fuel systems, and diagnostic tools. Valid licenses and a teamwork mindset are required.

Qualifications

• 5-7 years of diesel engine experience.
• 1+ years DOT inspection experience.
• Valid driver’s license with clean driving record.
• Ability to work in a team environment.

Responsibilities

• Ensure Health and Safety is the priority and follow safe work practices.
• Perform preventative maintenance, inspections, troubleshooting, and repairs, including offsite calls.
• Complete daily PM checklists for units operated.
• Record and communicate issues promptly; maintain PM scheduling paperwork.
• Conduct Safety Checks and Annual Vehicle Inspections per laws.
• Ensure equipment is parked per DOT requirements and SOPs.
• Maintain a clean work environment; perform other assignments as directed.

Skills

Diesel engine experience

Teamwork

Safety-conscious

Communication

Tools

Diagnostic tools

ECMs & electrical systems tooling

Heavy-duty equipment tooling

Job description

Clean Harbors in Dolton, IL is seeking a Lead Diesel Mechanic to oversee day-to-day shop operations, supervise maintenance work, and ensure DOT compliance for the fleet. This role emphasizes safety, accuracy in service/parts records, and leadership of a technical team.

The ideal candidate has 5-7 years of diesel engine experience, DOT inspection history, and strong proficiency with electrical/ECMs, fuel systems, and diagnostic tools. Valid licenses and a teamwork mindset are required.