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Diesel Engineer Jobs in Oklahoma (NOW HIRING)

Diesel Mechanic

Oklahoma City, OK · On-site

$23.75 - $31.25/hr

Diesel Mechanic Are you someone who enjoys solving mechanical challenges, working with your hands ... Collaborate with the Product Manager and/or Plant Engineer on new equipment installations and ...

Diesel Mechanic

Oklahoma City, OK · On-site

$23.75 - $31.25/hr

Job Type Full-time Description Diesel Mechanic Are you someone who enjoys solving mechanical ... Collaborate with the Product Manager and/or Plant Engineer on new equipment installations and ...

Diesel Mechanic

Broken Arrow, OK · On-site

$23 - $27/hr

... engineering specifications. * Troubleshoot malfunctions and repair diesel and gas vehicles, as well as hydraulics. * Maintain shop equipment such as bending machines, cutters, table saws, air ...

Diesel Mechanic

Broken Arrow, OK · On-site

$23 - $27/hr

... engineering specifications. * Troubleshoot malfunctions and repair diesel and gas vehicles, as well as hydraulics. * Maintain shop equipment such as bending machines, cutters, table saws, air ...

MCPP - Engineer Equipment Mechanic

Medicine Park, OK · On-site

$22.75 - $31.25/hr

MCPP - Engineer Equipment Mechanic Belong, Connect, Grow, with KBR! Program Summary The Marine ... diesel driven material handling and construction equipment such as 50 Ton hydraulic cranes ...

Duties Provide engineering support, guidance, and development assistance to colleagues in the field ... HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility ...

Duties Provide engineering support, guidance, and development assistance to colleagues in the field ... HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility ...

Duties Provide engineering support, guidance, and development assistance to colleagues in the field ... HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility ...

Duties Provide engineering support, guidance, and development assistance to colleagues in the field ... HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility ...

Engineer IV E&I

Tulsa, OK · On-site

$110 - $160/hr

Provide engineering support, guidance, and development assistance to colleagues in the field of ... HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility ...

Recognized Marine/Engineering qualification from Maritime college or equivalent. * Valid Unlimited ... Strong knowledge of A/C drive power generation systems in diesel-electric and mechanical propulsion ...

Recognized Marine/Engineering qualification from Maritime college or equivalent. * Valid Unlimited ... Strong knowledge of A/C drive power generation systems in diesel-electric and mechanical propulsion ...

Be Seen First

Previous experience in automotive, diesel, heavy equipment, or fleet maintenance is preferred but ... With complete Engineering & Field Services solutions. Partner with us to explore, design, inspect ...

Candidate Pool

Tulsa, OK · On-site

$14.50 - $19/hr

... engineer solutions that help power a cleaner, quieter world. Since our founding in 1992, we have grown into a global leader in emission and acoustical solutions for stationary natural gas and diesel ...

Candidate Pool

Tulsa, OK · On-site

$14.50 - $19/hr

... engineer solutions that help power a cleaner, quieter world. Since our founding in 1992, we have grown into a global leader in emission and acoustical solutions for stationary natural gas and diesel ...

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Diesel Engineer information

See Oklahoma salary details

$4

$36

$47

How much do diesel engineer jobs pay per hour?

As of Aug 27, 2026, the average hourly pay for diesel engineer in Oklahoma is $36.70, according to ZipRecruiter salary data. Most workers in this role earn between $30.19 and $41.73 per hour, depending on experience, location, and employer.

What is a diesel engineer?

Diesel Engineers are specialized professionals who design, maintain, repair, and oversee diesel engines and related systems. They work with a variety of diesel-powered equipment, such as trucks, buses, ships, generators, and heavy machinery. Their responsibilities typically include diagnosing engine problems, performing routine maintenance, ensuring compliance with safety standards, and sometimes upgrading engine systems for better efficiency. Diesel Engineers may work in industries like transportation, construction, agriculture, or energy, and often need strong mechanical skills and knowledge of diesel engine technology.

What does a diesel engineer do?

The duties of a diesel engineer or mechanic are to inspect, maintain, and repair diesel engines. They perform diagnostics on engines and inspect the parts and system machinery to determine what service is required on the vehicle. A diesel engineer regularly utilizes diagnostic equipment and other tools, and they should have an in-depth knowledge of the diesel electrical system. Customer service skills are also important when describing a repair to a customer.

What are the key skills and qualifications needed to thrive as a diesel engineer, and why are they important?

To thrive as a Diesel Engineer, you need strong mechanical aptitude, knowledge of diesel engine systems, and typically a degree or diploma in mechanical or automotive engineering. Familiarity with diagnostic tools, engine management software, and industry certifications such as ASE Diesel Certification are often required. Problem-solving ability, attention to detail, and effective communication are standout soft skills in this role. These skills ensure accurate diagnostics, efficient repairs, and reliable engine performance in various industrial and transportation settings.

What are some typical challenges diesel engineers face when working on large-scale projects?

Diesel Engineers working on large-scale projects often encounter challenges such as coordinating with multidisciplinary teams, troubleshooting complex engine issues under tight deadlines, and ensuring compliance with strict environmental and safety regulations. Effective communication and adaptability are crucial, as project requirements may change and unexpected technical problems can arise. Additionally, staying up-to-date with advancements in diesel technology and emission standards is essential for success in this dynamic field.

What is the difference between Diesel Engineer vs Mechanical Engineer?

AspectDiesel EngineerMechanical Engineer
CertificationsRelevant certifications in diesel systems, such as ASE or manufacturer-specific trainingEngineering degrees, often a Bachelor's in Mechanical Engineering
Work EnvironmentWorkshops, repair facilities, and on-site at transportation or industrial companiesDesign offices, manufacturing plants, or research labs
Industry UsageTransportation, maritime, and industrial sectors focusing on diesel enginesBroad industry applications including automotive, aerospace, manufacturing, and energy

Diesel Engineers specialize in maintaining and repairing diesel engines, often requiring specific certifications and working in hands-on environments. Mechanical Engineers have a broader scope, focusing on design, analysis, and development across various engineering fields. While both roles require engineering knowledge, Diesel Engineers focus more on practical maintenance within specific industries, whereas Mechanical Engineers are involved in design and innovation across multiple sectors.

How much do diesel engineers get paid?

Diesel engineers typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and certifications. Skilled diesel engineers with specialized knowledge of engines and maintenance procedures can earn higher wages, especially in industrial or transportation sectors.

What are popular job titles related to Diesel Engineer jobs in Oklahoma?

For Diesel Engineer jobs in Oklahoma, the most frequently searched job titles are:

What job categories do people searching Diesel Engineer jobs in Oklahoma look for?

The top searched job categories for Diesel Engineer jobs in Oklahoma are:

What are popular job titles related to Diesel Engineer jobs in OK?

For Diesel Engineer jobs in OK, the most frequently searched job titles are:

Infographic showing various Diesel Engineer job openings in Oklahoma as of August 2026, with employment types broken down into 89% Full Time, 7% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $76,334 per year, or $36.7 per hour.

Diesel Mechanic

Oklahoma City, OK

$23.75 - $31.25/hr

Full-time

Re-posted 6 days ago


Job description

Description

Diesel Mechanic

Are you someone who enjoys solving mechanical challenges, working with your hands, and keeping heavy equipment running at peak performance? As a Diesel Mechanic, you'll play a critical role in maintaining and repairing our fleet of diesel-powered trucks and heavy mobile equipment. Every day brings a new challenge as you diagnose issues, perform repairs, and help ensure our operations run safely and efficiently.


Duties & Responsibilities
  • Perform preventive maintenance inspections and routine service on heavy equipment and diesel-powered trucks to maximize performance and minimize downtime. 
  • Evaluate and repair trucks and equipment that are not operating at peak performance, identifying the best solutions to get them back in service quickly. 
  • Thoroughly clean machinery and machine components, removing and reinstalling parts as needed to ensure reliable operation. 
  • Oil and lubricate moving parts to extend equipment life and maintain optimal performance. 
  • Inspect equipment for damaged, worn, or broken components, accurately documenting findings and recommending necessary repairs. 
  • Order and install replacement parts to keep equipment operating safely and efficiently. 
  • Diagnose the root cause of unexpected equipment failures using strong troubleshooting and problem-solving skills. 
  • Repair broken or malfunctioning equipment promptly to minimize production interruptions. 
  • Maintain detailed service records and prepare reports documenting inspections, maintenance, and repairs performed. 
  • Keep the shop clean, organized, and well-stocked by maintaining parts, tools, supplies, and inventory. 
  • Communicate regularly with management regarding equipment condition, maintenance needs, shop concerns, and any issues affecting operations. 
  • Coordinate with managers to develop and maintain preventive maintenance schedules for equipment and machinery. 
  • Collaborate with the Product Manager and/or Plant Engineer on new equipment installations and required machinery modifications. 
  • Perform necessary equipment modifications, conduct test runs, evaluate results, and make additional adjustments to ensure equipment performs as intended. 
  • Perform other related duties as assigned to support the maintenance team and overall operations.

Requirements

Required Skills & Abilities

We're looking for a skilled, dependable mechanic who enjoys diagnosing complex issues, takes pride in quality workmanship, and thrives in a hands-on environment. The ideal candidate will possess the following:

  • Proven experience maintaining, diagnosing, and repairing both heavy mobile equipment and diesel-powered trucks. 
  • Thorough understanding of Department of Transportation (DOT) regulations and the ability to ensure equipment remains compliant. 
  • Strong mechanical aptitude with excellent troubleshooting and problem-solving abilities. 
  • Ability to work independently while also collaborating effectively with teammates and management. 
  • Strong verbal communication skills with the ability to clearly discuss repairs, maintenance needs, and equipment concerns. 
  • Excellent organizational skills with a keen attention to detail and accurate documentation practices. 
  • Ability to prioritize tasks and perform efficiently in a fast-paced, high-demand environment while maintaining a strong commitment to safety and quality. 
Education & Experience

We value both education and hands-on experience. Qualified candidates will have:

  • Vocational school, community college coursework in diesel technology, automotive technology, heavy equipment repair, or a related field; or an equivalent combination of education and practical experience. 
  • Bilingual communication skills are preferred but not required. 
  • A current Commercial Driver's License (CDL) is a plus. 
  • Experience operating heavy mobile equipment is a plus. 
Physical Requirements

This is an active, hands-on position that requires working safely around heavy equipment and machinery. Candidates must be able to:

  • Stand and walk for extended periods throughout the workday. 
  • Frequently bend, stretch, push, pull, kneel, climb, and move as needed to inspect, clean, service, and repair equipment. 
  • Visually inspect machinery and components to identify wear, damage, and repair needs. 
  • Safely lift, carry, and move materials, tools, and equipment weighing up to 50 pounds.