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Diesel Assistant Jobs in Texas (NOW HIRING)

Central Texas College

Lab Assistant, Diesel

Killeen, TX · On-site

$14.70/hr

Diesel Mechanics Opening Date: 08/05/2026 Closing Date: 8/28/2026 11:59 PM Central Summary of Position Dedicated, effective and concerned lab assistant that assists the Diesel Instructor in a ...

Astro Waste Inc

Be Seen First

Diesel Mechanic

Houston, TX · On-site

$21 - $33/hr

  • PTO

Heavy Diesel Mechanic inspects, diagnoses and repairs diesel-powered Roll-Off and Front-end Load ... Payable Assistant with a minimum 3 years experience who is bilingual in English/Spanish. Sage50 ...

Astro Waste Inc

Be Seen First

Diesel Mechanic

Houston, TX · On-site

$21 - $33/hr

  • PTO

Heavy Diesel Mechanic inspects, diagnoses and repairs diesel-powered Roll-Off and Front-end Load ... Payable Assistant with a minimum 3 years experience who is bilingual in English/Spanish. Sage50 ...

W3Global Inc.

Diesel Mechanic

Houston, TX · On-site

$28 - $33/hr

Conduct vehicle diagnostics utilizing specialized tools to identify faults efficiently. * Assist ... Must be certified as a diesel mechanic. * Must do daily PM service on the trucks. lights, brakes ...

Transdev

Diesel Mechanic

Houston, TX · On-site

$27.58 - $41.93/hr

  • PTO

... Assist A-Level Mechanics in advanced diagnostic and repair tasks, contributing to efficient workflow. • Execute routine maintenance tasks to prevent breakdowns and optimize diesel engine ...

Transdev

Diesel Mechanic

Houston, TX

$27.58 - $41.93/hr

  • PTO

... · Assist A-Level Mechanics in advanced diagnostic and repair tasks, contributing to efficient workflow. · Execute routine maintenance tasks to prevent breakdowns and optimize diesel engine ...

Power Plus

Diesel Mechanic

Grand Prairie, TX · On-site

$80K - $102K/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Do you enjoy working on diesel engines? Do you share our commitment to provide power when you need ... Must be able to assist field operations when needed. * Ability to drive a company vehicle ...

Sheldon ISD

Diesel Mechanic

Houston, TX · On-site

$21.11/hr

Sheldon ISD is seeking a skilled and dependable Diesel Mechanic to join our Transportation ... Other Duties * Assist with snow or storm response preparations if applicable. * Perform additional ...

LSI Staffing

Diesel Mechanic

Bedford, TX

$25 - $35/hr

Work with bearings, belts, chains, gears, shafts, motors, pumps & more * Assist with equipment ... Maintenance Mechanic, Diesel Mechanic, Industrial Mechanic, Millwright, or similar experience

Posted today

LSI Staffing

Diesel Mechanic

Arlington, TX

$25 - $35/hr

Work with bearings, belts, chains, gears, shafts, motors, pumps & more * Assist with equipment ... Maintenance Mechanic, Diesel Mechanic, Industrial Mechanic, Millwright, or similar experience

Posted today

Power Plus

Diesel Mechanic

Grand Prairie, TX · On-site

$80K - $102K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Do you enjoy working on diesel engines? Do you share our commitment to provide power when you need ... Must be able to assist field operations when needed. * Ability to drive a company vehicle ...

First Student

Diesel Mechanic

Plainview, TX

$24/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Complete work orders accurately. * Assist with mobile emergency repair services when needed. Diesel Technician Qualifications * At least 3-5 years of diesel or automotive maintenance and repair ...

LSI Staffing

Diesel Mechanic

Keller, TX

$25 - $35/hr

Work with bearings, belts, chains, gears, shafts, motors, pumps & more * Assist with equipment ... Maintenance Mechanic, Diesel Mechanic, Industrial Mechanic, Millwright, or similar experience

Posted today

Power Plus

Diesel Mechanic

Houston, TX · On-site

$80K - $102K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Do you enjoy working on diesel engines? Do you share our commitment to provide power when you need ... Must be able to assist field operations when needed. * Ability to drive a company vehicle ...

Power Plus

Diesel Mechanic

Houston, TX · On-site

$80K - $102K/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Do you enjoy working on diesel engines? Do you share our commitment to provide power when you need ... Must be able to assist field operations when needed. * Ability to drive a company vehicle ...

First Student

Diesel Mechanic

Austin, TX · On-site

$32/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Complete work orders accurately. * Assist with mobile emergency repair services when needed. Diesel Technician Qualifications * At least 4-8 years of diesel or automotive maintenance and repair ...

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Diesel Assistant information

What is a diesel assistant?

Diesel Assistants are support personnel who assist with the maintenance, repair, and operation of diesel-powered vehicles and equipment, commonly in railway or transportation sectors. Their duties often include checking and fueling engines, performing routine inspections, assisting mechanics, and ensuring that diesel locomotives or machinery operate efficiently. Diesel Assistants work under the supervision of senior technicians or engineers and play a crucial role in keeping the equipment running smoothly and safely. This position is often entry-level and can serve as a stepping stone to more advanced roles within the diesel maintenance field.

What skills and qualifications are needed to be a diesel assistant?

To thrive as a Diesel Assistant, you need foundational mechanical knowledge, basic diesel engine repair skills, and often a high school diploma or equivalent. Familiarity with diagnostic tools, hand and power tools, and safety protocols is essential, and some employers may require completion of a diesel technology training program. Strong attention to detail, a willingness to learn, and effective teamwork are valuable soft skills in this role. These capabilities ensure safe, efficient maintenance of diesel equipment and contribute to the smooth operation of fleet or repair shop environments.

What challenges do diesel assistants face when supporting maintenance teams?

Diesel Assistants often encounter challenges such as working in noisy, fast-paced environments and handling physically demanding tasks like lifting heavy parts or equipment. They may also need to quickly adapt to changing priorities as emergency repairs or breakdowns arise. Collaborating effectively with mechanics and technicians is essential for smooth workflow, and maintaining a strong attention to safety procedures is crucial due to the nature of working with heavy machinery and hazardous materials.

What is the difference between Diesel Assistant vs Diesel Mechanic?

AspectDiesel AssistantDiesel Mechanic
CertificationsBasic automotive or diesel engine training, possibly a CDLASE certification in diesel engines, technical diploma
Work EnvironmentAssist with maintenance, inspections, and basic repairs in garages or fleet settingsPerform complex repairs, diagnostics, and engine overhauls in repair shops or on-site
Job ResponsibilitiesSupport mechanics, perform routine tasks, and assist with partsDiagnose issues, repair engines, and perform detailed maintenance

While both roles involve working with diesel engines, a Diesel Assistant primarily supports mechanics with basic tasks and routine maintenance, requiring less certification. A Diesel Mechanic performs advanced repairs and diagnostics, often holding specialized certifications. The roles differ mainly in responsibility level and technical expertise required.

What are the most commonly searched types of Diesel jobs in Texas?

The most popular types of Diesel jobs in Texas are:

What cities in Texas are hiring for Diesel Assistant jobs?

Cities in Texas with the most Diesel Assistant job openings:

Diesel Assistant jobs near you
Infographic showing various Diesel Assistant job openings in Texas as of August 2026, with employment types broken down into 2% As Needed, 77% Full Time, 18% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Lab Assistant, Diesel

Central Texas College

Killeen, TX • On-site

$14.70/hr

Part-time

Posted 14 days ago

Job description

Salary: $14.70 Hourly
Location : Killeen-Central Campus
Job Type: Part-Time Staff
Job Number: 202500272
Division: Workforce Career Technology
Department: Diesel Mechanics
Opening Date: 08/05/2026
Closing Date: 8/28/2026 11:59 PM Central
Summary of Position
Dedicated, effective and concerned lab assistant that assists the Diesel Instructor in a professional manner. Professional in dress and appearance at all times, present a pleasant personality when dealing with students and other staff and faculty members.
Education and Experience
High school diploma (or GED) and one (1) year of direct or related paid work experience in the Diesel field required OR Associates Degree/Certificate of Completion in the Diesel field.
Knowledge Skills and Ability
  • Must have working experience and be able to perform all tasks related to the Diesel service and repair industry to include the following: shop operations, shop safety, OSHA requirements, hazardous materials disposal, use of publication, use tools and equipment, theory, application and repair of all diesel systems.
  • Must be able to properly use oxyacetylene and arc welding equipment to perform welding, heating, cutting, brazing, and soldering operations.
  • Must have some management and basic computer skills.
  • Ability to answer office telephone and communicate information to callers.
  • Ability to perform repairs and periodic maintenance on equipment assigned to the Diesel Department.
  • Must possess a pleasant personality and be able to work with people.
  • Must be highly motivated and able to work with limited supervision. Must have some management and basic computer skills.
  • Ability to clearly communicate in the English Language (Read, Write, Speak) and write legibly.
  • Must be able to explain Diesel theories and applications in a manner that students can understand.

Essential Functions
  • Present and on time for each laboratory assigned except in cases of personal illness or inquiry, death in the immediate family or other authorized absence.
  • Notify the Diesel Instructor immediately if it is necessary to be absent from class.
  • Become familiar with the Diesel A/AS Degree and the Self-Paced Diesel Certificate Program content and operating aspects.
  • Assist students in the performance of classroom and laboratory exercises as directed by the Instructor.
  • Monitor laboratory activities for safety infractions and report all infractions to the Diesel Instructor.
  • Proctor students during quizzes and examinations as directed by the Instructor.
  • Supervise issuing and return of all supplies, tools, and equipment used in laboratory exercises.
  • Supervise clean-up activities of equipment, tools, and facilities. Report any broken or un-serviceable equipment, tools, or instruments to the Diesel Instructor.
  • Assist in keeping the Diesel labs clean and maintain training equipment used in the Diesel program.
  • Post records as directed by the Diesel Instructor.
  • Refer students that are experiencing difficulty with the program to the Diesel Instructor.
  • Refer students to the Diesel Instructor if they have questions about the current College Catalog, Industrial Technology and Skills Center Policies and Procedures or the regulations of the College concerning sequence of courses, majors, minors, graduation requirements, transfer to senior college, or other such information.
  • Notify the Diesel Instructor of any supply and equipment needs to operate the program.
  • Clean-up laboratories, office and classroom and properly store and secure equipment and training aids as directed by the Diesel Instructor.
  • Responsible for all tools, equipment and audio visual equipment that you use.
  • Perform repairs and periodic maintenance on all equipment assigned to the Diesel Department as directed by the Diesel Instructor.
  • Perform repairs and periodic maintenance on all equipment assigned to the Diesel Department as directed by the Diesel Instructor.
  • Safely and properly operate all tools and equipment assigned to the Diesel Department.
  • Become familiar with Hazardous Materials Regulations and report any violation/spill to the Diesel Instructor. Includes proper disposal of hazardous chemicals.

EEO Statement
Central Texas College District and its operating units, divisions and sponsored activities prohibits discrimination on the basis of any protected class including, but not necessarily limited to race, color, gender, national origin, age, religion, genetic information, disability, veteran status, sexual orientation, gender identity or transgender status. Inquiries about Title IX, sexual misconduct can contact the Title IX Coordinator, Larry Murphy through email to or call 254-501-3028.
NA
01
Do you have a High School diploma or GED?
  • Yes
  • No

02
How many months/years previous tutoring/peer mentoring experience do you have?
  • No Experience
  • Less than 6 Months Experience
  • 6 Months Experience
  • 6 to 11 Months Experience
  • 1 Year Experience
  • 2 Years Experience
  • 3 Years Experience
  • More than 3 Years Experience

03
How many years work experience do you have in the diesel field?
  • No Experience
  • Less than 1 Year Experience
  • 1 Year Experience
  • 2 Years Experience
  • 3 Years Experience
  • 4 Years Experience
  • More than 4 Years Experience

04
Do you have a certificate of completion or AA Degree in the field Diesel field?
  • No
  • Yes, I have a certificate of completion (Certification must be uploaded)
  • Yes, I have a A/AS Degree in this field (Transcript must be uploaded)

05
Are you a Veteran of the US Armed Forces? (Must upload DD214 to application you are submitting)
  • Yes
  • No

Required Question

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