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Assistant Diesel Mechanic Jobs (NOW HIRING)

Diesel Mechanic

Hoboken, NJ · On-site

$29 - $34/hr

Basic welding/fabrication * Assist A Level Mechanics with skilled work and train/supervise C Level Mechanics Requirements: Diesel Mechanic * 4-7 years of diesel engine maintenance * Must have own ...

Diesel Mechanic

Trenton, NJ · On-site

$25 - $45/hr

Employee Assistant Program * FSA and HSA Plans * Life Insurance * Opportunities for Advancement ... A Diesel Mechanic diagnosis, repair, and failure analysis of all systems at the highest level as ...

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Assistant Diesel Mechanic information

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How much do assistant diesel mechanic jobs pay per hour?

As of May 28, 2026, the average hourly pay for assistant diesel mechanic in the United States is $20.07, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $21.63 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Assistant Diesel Mechanic, and why are they important?

To thrive as an Assistant Diesel Mechanic, you need a solid understanding of diesel engine fundamentals, basic mechanical repair skills, and a high school diploma or technical certification in diesel technology. Familiarity with diagnostic software, hand and power tools, and maintenance record systems is typically required. Strong attention to detail, a willingness to learn, and effective teamwork are crucial soft skills for this role. These competencies ensure accurate repairs, efficient servicing, and safe operation of diesel-powered vehicles and equipment.

What are some typical challenges an Assistant Diesel Mechanic may face in their daily work?

Assistant Diesel Mechanics often encounter challenges such as diagnosing complex engine problems, working with heavy and sometimes outdated equipment, and managing time effectively in a busy repair shop environment. They may also need to quickly adapt to new technologies and tools as diesel engines evolve, while ensuring all repairs meet strict safety and regulatory standards. Effective communication with lead mechanics and other team members is crucial to ensure tasks are completed efficiently and safely.

What are Assistant Diesel Mechanics?

Assistant Diesel Mechanics are entry-level professionals who support experienced diesel mechanics in maintaining, repairing, and servicing diesel engines and vehicles. Their duties often include tasks such as changing oil, replacing filters, assisting with diagnostics, and keeping the work area organized. They also help with more complex repairs under supervision, ensuring that trucks, buses, and other diesel-powered equipment operate safely and efficiently. This role is a valuable stepping stone for those looking to advance in the diesel technology field.

What is the difference between Assistant Diesel Mechanic vs Diesel Mechanic?

AspectAssistant Diesel MechanicDiesel Mechanic
CertificationsBasic technical training, ASE certifications often preferredAdvanced ASE certifications, extensive training required
Work EnvironmentAssists in repair shops, garages, fleet maintenancePerforms repairs, diagnostics, and maintenance independently
Job ResponsibilitiesSupports diagnostics, basic repairs, parts replacementPerforms complex repairs, troubleshooting, and diagnostics
Experience LevelEntry-level or apprentice roleExperienced, skilled technician

The main difference between an Assistant Diesel Mechanic and a Diesel Mechanic lies in experience, responsibilities, and certification levels. Assistants support more routine tasks and are often in training, while Diesel Mechanics handle complex repairs independently. Both roles are essential in fleet maintenance and repair environments, with the Assistant Diesel Mechanic serving as a stepping stone to becoming a fully qualified Diesel Mechanic.

More about Assistant Diesel Mechanic jobs
What cities are hiring for Assistant Diesel Mechanic jobs? Cities with the most Assistant Diesel Mechanic job openings:
What are the most commonly searched types of Diesel Mechanic jobs? The most popular types of Diesel Mechanic jobs are:
What states have the most Assistant Diesel Mechanic jobs? States with the most job openings for Assistant Diesel Mechanic jobs include:
Infographic showing various Assistant Diesel Mechanic job openings in the United States as of May 2026, with employment types broken down into 4% As Needed, 26% Full Time, and 70% Part Time. Highlights an 100% Physical job distribution, with an average salary of $41,738 per year, or $20.1 per hour.
Assistant Diesel Mechanic 2nd Shift

Assistant Diesel Mechanic 2nd Shift

Waste Management

Rochester, NH • On-site

$26/hr

Full-time

Medical, Dental, Vision, Retirement

Posted 11 days ago


Waste Management rating

7.7

Company rating: 7.7 out of 10

Based on 604 frontline employees who took The Breakroom Quiz

18th of 70 rated recycling and waste


Job description

Job Description
Assistant Diesel/CNG Mechanic Job Summary
Are you seeking a safer work environment as a mechanic? Is your family's financial security important to you? Aspiring to advance in your mechanic career? Searching for a company that prioritizes its employees' well-being? If this speaks to you, then WM might be the place for your next career move.
Career progression, stability for your family, and a safe environment to work. That's what you get as a Assistant Diesel/CNG Mechanic at WM - and more.
About us
WM is North America's leading provider of comprehensive waste management environmental services. We partner with our customers and the communities we serve to manage and reduce waste at each stage from collection to disposal, while recovering valuable resources and creating clean, renewable energy.
The pay and benefits you'll get as a Assistant Diesel/CNG Mechanic
  • Starting salary of up to $26 per hour depending on experience
  • Stable hours for your financial stability
  • Tool allowance reimbursement up to $2,500
  • Boot allowance up to $300
  • Comprehensive healthcare coverage including dental, vision and prescription coverage that starts on day one.
  • We are Committed to Growth: Annual Education Assistance Benefit available for team members
  • Company-matched 401(k)
  • Adoption assistance and parent support

These are just a few of our comprehensive benefits for a Assistant Diesel/CNG Mechanic whether you are planning on building or expanding your family or looking for the next step in your career - WM is there, helping build the best and total you.
The hours and location you'll work in as a Assistant Diesel/CNG Mechanic with WM:
  • Monday - Friday every week
  • Second Shift 11:00 am to 7:30 pm
  • No weekends
  • We're committed to offering you stable hours for the financial security and work life balance you need.
  • The normal setting for this job is a repair / maintenance shop at our Rochester, NH hauling site.

Those are the key details on pay and schedule - now here's more on what you'll be doing as a Assistant Diesel/CNG Mechanic at WM.
Each day you'll fix the trucks and equipment that service over 20 million customers across the USA. As a assistant diesel/CNG mechanic you can take pride in watching a truck roll out of the shop, knowing your local community will be supported by your hard work. Our mechanics take their careers to the next level by working on equipment that requires a high level of skill - and determination. You'll be using modern tools and procedures to deliver exceptional maintenance on both diesel equipment and, at some locations, on our growing fleet of CNG trucks.
Here's more of what you'll do:
  • Inspect, diagnose and repair electrical, hydraulic, suspension, brake and air systems on a wide range of vehicles and equipment.
  • Estimates time and material costs on vehicle repairs and new parts.
  • Perform your work within our Standard Labor Repair Times (SRTs).
  • Respond to service calls for emergency breakdowns.
  • Safety checks on vehicles - the safety of every single employee and the people in our communities is our number one priority
  • Complete required paperwork, documenting parts usage, and accounting for repair times.
  • Assisting senior mechanics in the completion of project work.
  • Reviews, completes, or assigns repairs identified on Driver Vehicle Inspection Reports.
  • Maintains a clean, safe work area in compliance with Corporate / OSHA Standards and perform all work in accordance with established safety procedures.

What do you need to be considered for the role of a Assistant Diesel/CNG Mechanic
  • A valid driver's license with a clean driving record.
  • Be over 18 years of age.
  • Legally eligible to work in the United States.
  • Ability to perform physical requirements of the position with or without reasonable accommodations.
  • Successfully complete and pass pre-employment drug screen and physical.

The kind of people who thrive in our teams:
  • Team players who care about everyone in the shop.
  • Happy working independently and as part of a team.
  • Likes variety - every day provides a new challenge.
  • Determined problem solvers.

Work environment and physical demands
Listed below are key points regarding physical demands, physical and occupational risks, and the work environment of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of the job.
  • Required to exert physical effort that will include but is not limited to frequent lifting, pushing, pulling, crouching, and climbing; Constantly standing, walking, and grasping; Occasionally: sitting and balancing.
  • Required to be exposed to physical occupational risks (such as cuts, burns, exposure to toxic chemicals, etc.).
  • Required to be exposed to physical environment which involves dirt, odors, noise, weather extremes or similar elements.
  • This job operates in both inside garage, shop or gas plant conditions as well as outside conditions that include inclement weather, heat and humidity.

If this sounds like what you've been looking for, then click 'Apply now' to start your tomorrow, today.
About Us
ABOUT WM
WM (WM.com) is North America's leading provider of comprehensive environmental solutions. Previously known as Waste Management and based in Houston, Texas, WM is driven by commitments to put people first and achieve success with integrity. The company, through its subsidiaries, provides collection, recycling and disposal services to millions of residential, commercial, industrial, medical and municipal customers throughout the U.S. and Canada. With innovative infrastructure and capabilities in recycling, organics and renewable energy, WM provides environmental solutions to and collaborates with its customers in helping them pursue their sustainability goals. WM has the largest disposal network and collection fleet in North America, is the largest recycler of post-consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas-to-electricity plants in North America. WM's fleet includes more than 12,000 natural gas trucks - the largest heavy-duty natural gas truck fleet in the industry in North America. Healthcare Solutions provides collection and disposal services of regulated medical waste, as well as secure information destruction services, in the U.S., Canada and Western Europe. To learn more about WM and the company's sustainability progress and solutions, visit Sustainability.WM.com.
Equal Employment Opportunity
For United States: WM is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.
For Canada: WM is committed to the principle of equal employment for all applicants and employees, without discrimination on the basis of all grounds protected by applicable human rights legislation. Accommodations are available on request for candidates taking part in all aspects of the selection process. Please notify us if you require accommodation.
Real ID
In order to travel by air or access federal property, federal law requires individuals have a REAL ID or an acceptable alternative. This position may require the successful candidate to travel by air for business reasons or service federal property. Accordingly, successful candidates must have, or be willing to obtain, a REAL ID or TSA-approved alternative.
About the Team
Wrench with the best! Our technicians are trained to provide superior maintenance on diesel equipment. We care about our technician's safety and show it by demanding solid safety practices of all our technicians and managers. Pride, safety, training, growth, opportunity, great benefits, rewards - check us out, we may be the company for you!

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