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Assistant Diesel Mechanic Jobs in Spring, TX (NOW HIRING)

GFL Environmental

Diesel Mechanic - B

Houston, TX · On-site

$23.75 - $31.50/hr

... level mechanics, diagnose, repair and maintain GFL's Diesel and CNG fleet. • Complete basic ... This hiring process may utilize machine-based systems to assist in screening and assessing ...

Southern Tire Mart at Pilot

Diesel Mechanic STMP 663

Baytown, TX · On-site

$22.25 - $29.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Diagnose and repair mechanical issues on diesel engines, semi-trucks, and trailers. * Perform ... Maintain accurate service records and follow safety procedures at all times. * Assist with parts ...

United Rentals

Field Diesel Mechanic

Katy, TX

$23 - $31.25/hr

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

United Rentals

Field Diesel Mechanic

Katy, TX · On-site

$21.50 - $29.25/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals - French

Field Diesel Mechanic

Katy, TX · On-site

$21.50 - $29.25/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals

Field Diesel Mechanic

Katy, TX

$21.50 - $29.25/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals - French

Field Diesel Mechanic

Katy, TX

$21.50 - $29.25/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals, Inc.

Field Diesel Mechanic

Katy, TX · On-site

$23 - $31.25/hr

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

United Rentals

Field Diesel Mechanic

Katy, TX

$23 - $31.25/hr

  • PTO

As a Field Diesel Mechanic (Service Tech III - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

United Rentals

Field Diesel Mechanic

Houston, TX

$24.25 - $33/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals - French

Field Diesel Mechanic

Houston, TX · On-site

$24.25 - $33/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals

Field Diesel Mechanic

Houston, TX · On-site

$24.25 - $33/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals

Field Diesel Mechanic

Houston, TX · On-site

$23.75 - $32.50/hr

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

United Rentals - French

Field Diesel Mechanic

Houston, TX · On-site

$24.25 - $33/hr

  • Medical

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... Assist in the training of lower level technicians as needed Maintain paperwork/electronic ...

United Rentals, Inc.

Field Diesel Mechanic

Houston, TX · On-site

$23.75 - $32.50/hr

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

United Rentals

Field Diesel Mechanic

Houston, TX

$24.25 - $33/hr

  • PTO

As a Field Diesel Mechanic (Service Tech IV - Field Service), you'll use your skills to perform ... manner * Assist in the training of lower level technicians as needed * Maintain paperwork ...

mandiesel

Workshop - 2nd Class Mechanic

Houston, TX

$23.75 - $31.50/hr

... Diesel engine Equipment Mechanical Experience with disassembling and reassembling complex assemblies as an assistant to a project lead, ability to plan and lead repair activities for simple repairs ...

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Showing results 41-60

All JobsDiesel Mechanic JobsAssistant Diesel Mechanic JobsAssistant Diesel Mechanic Jobs in Spring, TX

Assistant Diesel Mechanic information

See Spring, TX salary details

$11

$17

$25

How much do assistant diesel mechanic jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for assistant diesel mechanic in Spring, TX is $17.86, according to ZipRecruiter salary data. Most workers in this role earn between $15.38 and $19.23 per hour, depending on experience, location, and employer.

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 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.

What are the key skills and qualifications needed to thrive as an assistant diesel mechanic?

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 is an assistant diesel mechanic?

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 are the most commonly searched types of Diesel Mechanic jobs in Spring, TX?

The most popular types of Diesel Mechanic jobs in Spring, TX are:

What are popular job titles related to Assistant Diesel Mechanic jobs in Spring, TX?

For Assistant Diesel Mechanic jobs in Spring, TX, the most frequently searched job titles are:

What job categories do people searching Assistant Diesel Mechanic jobs in Spring, TX look for?

The top searched job categories for Assistant Diesel Mechanic jobs in Spring, TX are:

What cities near Spring, TX are hiring for Assistant Diesel Mechanic jobs?

Cities near Spring, TX with the most Assistant Diesel Mechanic job openings:

Assistant Diesel Mechanic jobs near you
Infographic showing various Assistant Diesel Mechanic job openings in Spring, TX as of June 2026, with employment types broken down into 6% As Needed, 65% Full Time, 9% Part Time, 14% Temporary, and 6% Contract. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $37,142 per year, or $17.9 per hour.

Diesel Mechanic - B

GFL Environmental

Houston, TX • On-site

$23.75 - $31.50/hr

Full-time

Re-posted 23 days ago

GFL Environmental rating

6.9

Company rating: 6.9 out of 10

Based on 172 frontline employees who took The Breakroom Quiz

44th of 90 rated recycling and waste

Job description

Under the guidance of shop leadership, conduct repairs and preventative maintenance on both Diesel and Compressed Natural Gas (CNG) vehicles to maintain GFL's fleet in safe and continuous "road ready" condition.
Essential Functions:
• Under supervisor of maintenance department leadership and senior-level mechanics, diagnose, repair and maintain GFL's Diesel and CNG fleet.
• Complete basic inspection of brake systems, engine components, emission systems, steering mechanisms, wheel bearings and other important parts to ensure they are in proper operating condition.
• Test drive trucks to diagnose malfunctions and ensure they are working properly.
• Perform standard electronic diagnostics and repair electrical equipment and hydraulic systems.
• Perform DOT and brake inspections on all vehicles.
• Complete reports, work orders, order parts and perform other administrative duties as required daily.
• Complete work as scheduled by shop supervision or higher-grade technicians.
• Ensure safe working conditions and compliance with all safety regulations.
• Must have a Brake safety certificate and 609 A/C system certification.
• 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.
• Ability to 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 is preferred. 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.
• ASE certifications preferred.
• 3+ 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 up 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 contacted.
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. If you are interested in applying for employment and need special assistance or an accommodation to apply for a posted position, please contact myworkdayrecruitment@gflenv.com
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.

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