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Diesel Engineer Jobs in Ohio (NOW HIRING)

Socket.dev

Product Engineer

Cincinnati, OH · On-site

$80 - $100/hr

Design and develop diesel engine systems, components, and accessories. * Create and maintain 3D models, assemblies, and engineering drawings. * Select and integrate diesel engines, cooling systems ...

Clarke Power Services

Product Engineer

Cincinnati, OH · On-site

Design and develop diesel engine systems, components, and accessories. * Create and maintain 3D models, assemblies, and engineering drawings. * Select and integrate diesel engines, cooling systems ...

Jobtailor

Heavy Equipment Diesel Technician

Plain City, OH · On-site

$60 - $80/hr

... Engineering, Manufacturing, and other service personnel to resolve. * Experienced or advanced ... Experience working with diesel engines * 5+ years of heavy equipment service experience preferred

RedBuilt

Large Diesel Forklift Operator

Delaware, OH · On-site

$2.0K/wk

Large Diesel Forklift Operator RedBuilt is hiring immediately for Large Diesel Forklift Operators ... Our Delaware, OH manufacturing facility builds engineered wood trusses, constructs wood wall panels ...

RedBuilt LLC

Large Diesel Forklift Operator

Delaware, OH · On-site

$2.0K/wk

Our Delaware, OH manufacturing facility builds engineered wood trusses, constructs wood wall panels ... What do we look for in a Large Diesel Forklift Operator? Knowledge, Skills, and Abilities (Minimum ...

PACCAR

Manufacturing Engineer

Chillicothe, OH

$65K - $84K/yr

PACCAR designs and manufactures advanced diesel engines and also provides customized financial ... Summary Provides Tooling and Manufacturing Engineering support to assigned departments. Studies ...

PACCAR

Manufacturing Engineer

Chillicothe, OH · On-site

$65K - $84K/yr

PACCAR designs and manufactures advanced diesel engines and also provides customized financial ... Summary Provides Tooling and Manufacturing Engineering support to assigned departments. Studies ...

PACCAR

Manufacturing Engineer

Chillicothe, OH · On-site

$65K - $84K/yr

PACCAR designs and manufactures advanced diesel engines and also provides customized financial ... Summary Provides Tooling and Manufacturing Engineering support to assigned departments. Studies ...

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All JobsDiesel Engineer JobsDiesel Engineer Jobs in Ohio

Diesel Engineer information

See Ohio salary details

$5

$37

$49

How much do diesel engineer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for diesel engineer in Ohio is $37.79, according to ZipRecruiter salary data. Most workers in this role earn between $31.06 and $42.98 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.
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Diesel Engineer jobs near you
Infographic showing various Diesel Engineer job openings in Ohio as of September 2026, with employment types broken down into 89% Full Time, and 11% Part Time. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $78,596 per year, or $37.8 per hour.

Class 8 Diesel Mechanic

Marysville, OH • On-site

H&S FREIGHT TRANSPORT INC
See more jobs at H&S FREIGHT TRANSPORT INCexternal

$23 - $30.25/hr

Full-time

Re-posted 13 days ago

Job description

Benefits/Perks

  • Competitive Compensation
  • Health Benefits
Job Summary
We are looking for a skilled Class 8 Diesel Mechanic to join our busy repair shop. As an Auto Mechanic, you will assist our customers by diagnosing and repairing issues with vehicles’ performance and function.
As an Auto Mechanic, you must have an in-depth understanding of all vehicle systems and components. You will also be responsible for maintaining repair shop equipment, preparing cost estimates, and maintaining a welcoming environment. 
The ideal candidate has at least 5 years experience, professional and able to independently work thoroughly.
Working hours 7:30am to 5:30 pm Monday - Friday
 
Responsibilities 
  • Diagnose and repair vehicles using different software.
  • Experience in electrical brakes and preventative maintence
  • Conduct in-depth vehicle inspections of all systems, including engine, transmission, and brakes
  • Create repair estimates and timelines
  • Maintain accurate repair shop records and paperwork
  • Maintain clean and safe work environment
Qualifications
  • High school diploma or GED is required
  • Associate degree or completion of an automotive service technician training program is preferred
  • Automotive Service Excellence/ASE certification or Society of Automotive Engineers/SAE certification is preferred
  • Strong customer service and communication skills are required