Clean Harbors Denton, TX is looking for a 1st Shift Lead Diesel Mechanic to join their safety conscious team! The Lead Diesel Mechanics are responsible for overseeing the day-to-day operations of the shop, which include supervising all maintenance work, assuring company fleet is within DOT compliance, as well as maintaining all service and parts records.

Why work for Clean Harbors?

• Health and Safety is our #1 priority and we live it 3-6-5!
• Competitive wages;
• Opportunity for increase after 90 days!!!
• Comprehensive health benefits coverage after 30 days of full-time employment
• Group 401K/RRSP with company matching component
• Opportunities for growth and development for all the stages of your career
• Access to company paid OEM certifications and trainings!
• Generous paid time off!
• Company paid training!
• Tuition reimbursement!
• Company provided uniforms and PPE!
• State of the art facilities, technology, and tooling

Speak with a recruiter today to learn more!!

RESPONSIBILITIES

• Ensuring that Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times;
• Performs preventative maintenance, conducts inspections, troubleshoots, diagnoses failures & deficiencies & performs necessary corrections. This includes conducting offsite road repairs/service calls.
• Completes daily checklist as required for proper operation of the unit being operated.
• Assures unit has daily maintenance duties performed and communicates any problems or issues with the unit immediately upon discovery
• Completes and submits all associated paperwork as required for tracking PM schedules.
• Conducts Safety Checks & Annual Vehicle Inspections in accordance with provincial & federal laws.
• Assures that Equipment is properly parked in compliance with facility permit and DOT requirements.
• Ensures that work meets all applicable Health and Safety Standard Operating Procedures.
• Responsible for maintaining a clean work environment.
• Performs other assignments as assigned by management.
• Understands Clean Compliance Standard.

QUALIFICATIONS

What does it take to work for Clean Harbors?

• 5-7 years of diesel engine experience.
• 1+ years DOT inspection experience required.
• Valid driver's license and clean driving record.
• Ability to work in team environment.
• Must be versed in all aspects e.g. electrical, computer, ECMs, fuel, air systems, ABS, hydraulic systems, engines etc.
• Demonstrates complete proficiency in diagnostic, repair, and maintenance of the following units: heavy duty forklift, roll off truck, forklifts, pick up trucks, box trucks, tractors, and tankers.
• Demonstrates complete proficiency in tooling and equipment diagnostic, repair, and maintenance.
• Ability to pass a background, drug, and physical test upon hire.

40-years of sustainability in action. At Clean Harbors, our mission is to create a safer, cleaner environment through the treatment, recycling, and disposal of hazardous materials. Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology - come be part of the solution with us.

Join our safety focused team today!

To learn more about our company, and to apply online for this exciting opportunity, visit us at https://careers.cleanharbors.com/.

Clean Harbors is an equal opportunity employer.

Clean Harbors is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation, contact ect@cleanharbors.com or 1-844-922-5547.

Clean Harbors and its subsidiaries are a Military & Veteran friendly company.

Clean Harbors is committed to complying with applicable pay transparency laws and ensuring fair and equitable compensation. The posted salary range reflects the minimum and maximum target for this role. Final compensation may vary based on factors such as location, experience, skills, and business needs. In addition to the base salary, some roles may be eligible for bonus or incentive compensation and a comprehensive benefits package.

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Job Identification: 157931
Category: Fleet & Asset Management
Posting Date: 2026-03-09
Job Schedule: Full time
Regular or Temporary: Regular
Job Function: Diesel, Truck & Heavy Equipment Mechanics
Locations: TX-DENTON: 1722 Cooper Creek Road
Pay Range: $17.81 - $50.74 Hourly