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Assistant Diesel Mechanic Jobs in Tulsa, OK (NOW HIRING)

Southern Tire Mart

Mechanic

Tulsa, OK · On-site

Respond to roadside service calls using a company service truck (F-350), when required. * Assist ... Prior experience as a diesel mechanic, fleet technician, or heavy truck mechanic preferred.

GFL Environmental

Diesel Technician - Tulsa

Tulsa, OK · On-site

... both Diesel and Compressed Natural Gas (CNG) vehicles to maintain GFL's fleet in safe and ... Essential Functions: • Under the guidance of shop leadership or senior mechanics, assist with the ...

GFL Environmental

Diesel Technician - Tulsa

Tulsa, OK · On-site

... both Diesel and Compressed Natural Gas (CNG) vehicles to maintain GFL's fleet in safe and ... Essential Functions: · Under the guidance of shop leadership or senior mechanics, assist with the ...

GFL Environmental

Diesel Technician - Tulsa

Tulsa, OK · On-site

... both Diesel and Compressed Natural Gas (CNG) vehicles to maintain GFL's fleet in safe and ... Essential Functions: • Under the guidance of shop leadership or senior mechanics, assist with the ...

Employee Solutions, LP

Diese Mechanic

Tulsa, OK

We assign thousands of employees to clients in five major markets and assist them in their flexible ... Repairing and running diagnostics on diesel trucks and farm equipment. Qualifications 5 years ...

Employee Solutions, LP

Diese Mechanic

Tulsa, OK · On-site

We assign thousands of employees to clients in five major markets and assist them in their flexible ... Repairing and running diagnostics on diesel trucks and farm equipment. Qualifications 5 years ...

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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 Tulsa, OK is $18.33, according to ZipRecruiter salary data. Most workers in this role earn between $15.82 and $19.76 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.

What are the most commonly searched types of Diesel Mechanic jobs in Tulsa, OK? The most popular types of Diesel Mechanic jobs in Tulsa, OK are:
What are popular job titles related to Assistant Diesel Mechanic jobs in Tulsa, OK? For Assistant Diesel Mechanic jobs in Tulsa, OK, the most frequently searched job titles are:
What job categories do people searching Assistant Diesel Mechanic jobs in Tulsa, OK look for? The top searched job categories for Assistant Diesel Mechanic jobs in Tulsa, OK are:
What cities near Tulsa, OK are hiring for Assistant Diesel Mechanic jobs? Cities near Tulsa, OK with the most Assistant Diesel Mechanic job openings:
Assistant Diesel Mechanic jobs near you

Diesel Truck/Trailer Maintenance Mechanic

Trinity Technology Solutions

Tulsa, OK • On-site

$30K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago

Job description

 Job title- Diesel Mechanic 

Location- Tulsa, OK
Available Shifts:

  • AM Shift: 4:00 AM – 1:00 PM

  • PM Shift: 11:00 AM – 8:00 PM

Salary-$30,000 annually

Reports To: Maintenance Manager

As a Diesel Truck/Trailer Maintenance Mechanic, you will be responsible for performing preventative maintenance and repairs on tractor and trailer equipment. This includes completing work orders with accurate coding—such as reason for repair, detailed condition, cause, and correction—and properly handling warranty documentation. Safety, accuracy, and attention to detail are essential for success in this position.

Duties and Responsibilities

  • Diagnose, troubleshoot, and repair fleet equipment safely and accurately

  • Conduct failure analysis, rebuild and repair equipment components

  • Identify and report housekeeping issues, unsafe conditions, or unsafe practices and recommend corrective actions

  • Report broken tools or missing supplies and assist in resolving the issue

  • Complete complex work orders with correct condition, cause, and correction details, including warranty return tags

  • Maintain a clean, safe, and compliant work environment

  • Follow all company policies, procedures, and ethical standards

  • Perform additional duties as assigned

Minimum Qualifications

  • Valid state-issued CDL driver's license

  • Experience in tractor/trailer inspection and repair OR a technical school degree/certification in Heavy Duty Truck/Trailer Maintenance (Diesel specialty preferred)

  • Experience with advanced diagnostics

Pay & Benefits

  • Weekly pay

  • Multiple health plans available (50% company-paid for employees and dependents)

  • Dental and vision coverage

  • Company-paid $30,000 life insurance

  • 100% company-paid short-term disability insurance

  • Retirement plan with up to 5% company match

  • Safety and retention incentives

  • Paid time off

  • Access to employee discounts through LifeMart

The company offers competitive compensation, opportunities for incentive pay, and a comprehensive benefits package. Only applicants who meet minimum qualifications will be considered, and candidates selected for interviews will be contacted. All applicants will receive equal consideration regardless of race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status.

Benefits included: Disability insurance