Diesel Mechanic

GFL Environmental Inc.; Justin (TX); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

$5000 Sign-On Bonus

15 days of paid time off

Medical plan options with HSA, dental,

401(k) with employer match

Paid holidays

Employee Assistance Program with free

Safety-focused work environment

Job summary

GFL Environmental Inc. in Justin, Texas, is seeking an experienced senior Lead Diesel / CNG Mechanic (Fleet Technician) to oversee diagnosis, maintenance, and repair of our commercial truck fleet.

You will lead complex mechanical, hydraulic, and electrical troubleshooting on Diesel and CNG vehicles, conduct DOT and brake inspections, and coordinate repair schedules. You will mentor Level B and C technicians, interpret schematics and diagnostic software, and ensure adherence to safety

Qualifications

• 5+ years of heavy-duty fleet maintenance experience.
• Brake Safety Certificate and EPA 609 A/C Certification required.
• ASE Certifications preferred.
• Class A or B CDL preferred, or willingness to obtain within 6 months.

Responsibilities

• Diagnose and repair Diesel and CNG powered trucks, including engines, electrical, hydraulics, and fuel systems.
• Lead brake and vehicle inspections to ensure safe operation and regulatory compliance.
• Mentor and guide Level B and C technicians.
• Prioritize repairs to maximize efficiency and timely work orders.
• Coordinate repair schedules and review mechanical write-ups.
• Perform DOT and brake inspections on all vehicles.

Skills

Diesel & CNG fleet maintenance

Brake systems diagnosis

Electrical diagnostics

Mentor Level B/C techs

DOT inspections

Diagnostic software

Education

Brake Safety Certificate

EPA 609 A/C Certification

ASE Certifications preferred

CDL Class A/B preferred

Tools

Diagnostic software

Schematic interpretation

Job description

We are seeking an experienced, senior-level Lead Diesel / CNG Mechanic (Fleet Technician) to oversee the diagnosis, maintenance, and repair of our commercial truck fleet. In this role, you will lead complex mechanical, hydraulic, and electrical troubleshooting on both Diesel and CNG vehicles, conduct mandatory DOT and brake inspections, coordinate repair schedules, and mentor Level B and C technicians. The ideal candidate brings 5+ years of heavy-duty fleet maintenance experience, holds a Brake Safety Certificate and EPA Section 609 A/C Certification, and is proficient with diagnostic software and schematic interpretation.

At GFL our goal is to invest in our people and provide opportunities to grow for life! Our employees are affectionately known as team green, a name that unites us all under our shared purpose of providing sustainable solutions to enable our customers and communities to be GREEN FOR LIFE!

If you are a safety-minded, technical leader looking to drive shop efficiency and advance fleet reliability.

Benefits:

• $5000 Sign-On Bonus
• 15 days of paid time off.
• 4 medical plan options including an HSA with employer contribution & match program, dental, and vision coverage.
• 401(k) with an employer match.
• Paid holidays.
• Employee Assistance Program with free counseling services.

Essential Functions:

• Advanced ability to diagnose and repair both Diesel and CNG powered trucks, including engines, electrical systems, propane systems, hydraulics, and fuel systems.
• Independently lead inspections of brake systems, all engine components, emission systems, steering mechanisms, wheel bearings, and other important parts to ensure they are in proper operating condition.
• Provide guidance and mentorship to level B and C mechanics.
• Prioritize repairs to maximize efficiency and timely completion of work orders.
• Oversee the review of mechanical write-ups on equipment and coordinate repair schedule.
• Perform DOT and brake inspections on all vehicles.
• Complete reports, work orders, order parts and perform other administrative duties as required daily.
• Ensure safe working conditions and compliance with all safety regulations.
• Understand and interpret intricate electrical and diagnostics schematics.
• Active participation in training classes and development opportunities to increase skills and working knowledge.
• Maintain a clean work area.

Education, Training, Experience and Licensing/Certification Requirements:

• Knowledge of DOT, OSHA and other related state and federal regulations.
• Must have a Brake safety certificate and 609 A/C system certification.
• ASE Certifications preferred.
• Ability to understand and interpret detailed schematics and manuals.
• Communicate effectively across various levels of the organization and communicate with customers and external vendors.
• Ability to read, analyze, and interpret documents such as safety rules, operating, and maintenance instructions and procedural manuals.
• Experience using diagnostic software. Must be computer literate and willing and able to be trained in software systems.
• Class A or B Commercial Driver’s License (CDL) preferred, or the willingness and ability to obtain one within six (6) months of employment.
• 5+ years of diesel/CNG maintenance experience.

Physical/Mental Demands:

• Ability to stand, sit, walk, use hands and fingers, reach, stoop, kneel, crouch, crawl, talk, hear, climb, balance.
• Continuous concentrated mental and visual attention required.
• Visual requirements include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
• Ability to operate trucks and other equipment used as needed.
• Ability to use a computer and related devices, such as a keyboard or mouse or other related equipment, throughout the workday while seated at a desk or workstation.
• Ability to climb ladders, bend or stand for long periods of time.
• Ability to reach above shoulders and lift to 50 pounds and push/pull up to 100 pounds.

GFLTalent We thank you for your interest. Only those selected for an interview will be connected.

GFL is committed to equal opportunity for all, without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, age, veteran status, disability, genetic information, or any other protected characteristic.

Please note that GFL does not provide visa sponsorship for this position. Valid work authorization in the country where the job is located is required. Successful candidates will be required to provide valid documentation confirming their eligibility to work in the country where the job is located prior to their start date. This hiring process may utilize machine-based systems to assist in screening and assessing applicants. Final selection decisions are made by our recruitment team.

At the heart of GFL lies our greatest asset - our people. So, we're glad you landed here! We believe in great careers, making a positive impact on the environment and supporting our people with their life ambitions. We aspire to create the right jobs in a way that brings you along with us. At GFL, growth isn't just for our business - it's for our people. Because we see the potential in all our employees to do whatever it is they set their mind to, and we're proud to support them in that journey. We consider our employees' personal goals, helping them create the career, and life, that they desire - whether it's advancing in their job, learning new skills, forming lasting relationships, or mentoring others, while having time to pursue other life ambitions. With safety and sustainability at the core of what we do, we all come together to form Team Green - united by our shared purpose to provide environmental solutions that enable our customers and the communities we serve to be Green For Life. We're proud to say that working for GFL is more than a job. It's an opportunity to make a difference and grow tremendously along the way. Regardless of the work we're doing today, we've got our sights set on the big picture - not just tomorrow, but for life. GFL empowers those looking for growth in their career and lives, whether that's on our Field Operations teams or Professional Services teams. Field Operations-Our Field positions offer candidates across North America the potential for limitless growth and skill expansion as the front line of our organization, making them central to our company's vision of creating cleaner and more sustainable communities. Professional Services-Our Corporate positions located in key North American offices grow candidates to form strong client relations, manage key programs and accounts, and ensure our Field teams are operating at maximum efficiency.