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How much do diesel engineer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for diesel engineer in the United States is $39.75, according to ZipRecruiter salary data. Most workers in this role earn between $32.69 and $45.19 per hour, depending on experience, location, and employer.

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.

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 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 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.

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 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.
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Diesel Engineer jobs near you
Infographic showing various Diesel Engineer job openings in the United States as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $82,672 per year, or $39.7 per hour.

U.S. Navy Marine Diesel Engineer

Life Cycle Engineering

Philadelphia, PA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 27 days ago

Job description

Marine Diesel Engineer (Philadelphia, PA)
Position Summary:
As Marine Engineer, you will support diesel engine propulsion systems and ship service diesel generators onboard Navy surface ships and Submarines/Aircraft Carriers and work alongside program managers, engineers and Navy personnel.
A BS in Marine Engineering from an ABET institution is required, other degrees will not be considered.
Clearance Specifications:
  • Must be a US citizen with the ability to obtain/maintain a DoD Secret security clearance

Essential Functions and Responsibilities:
  • Diesel engine data analysis/trending/reporting, logistics development, project planning, training support, test plan and procedure development and meeting/presentation support.
  • Conduct ship visits (inspections and data collection).
  • Diesel Engine calibration and governor control verification
  • Troubleshooting diesel propulsion and generation systems
  • Installation support for new system upgrades onboard US Navy ships and Submarines
  • Perform other duties and responsibilities as assigned

Required Education, Skills, and Experience:
  • BS in Marine Engineering, other degrees will not be considered.
  • Up to 5 years' experience in diesel engine operation, maintenance and troubleshooting recent grads from Maritime Academy preferred
  • Shipboard experience desired
  • Excellent communication skills
  • Works well in a team environment

Physical Demands and Expectations:
  • Willingness to travel up to 25% of the time
  • Regular physical activity to include walking, climbing stairs, bending, stooping, reaching, standing and prolonged sitting
  • Ability to speak, read, hear and write, with or without assistance
  • Ability to use phone and computer systems, copier, fax and other office equipment

This position description represents a summary of the major components and requirements of the outlined job. Other duties and responsibilities may be assigned or required as business needs dictate. Questions regarding this description should immediately be addressed to the department manager or to Human Resources.
LIFE CYCLE ENGINEERING
Life Cycle Engineering (LCE) is a privately held, employee-owned company with an emphasis on "doing the right thing the right way", which applies to the way we treat our customers and employees. We are proud to have been recognized as a "Best Place to Work" in Engineering and in many states and local communities in which we work! Learn more below and at www.lce.com.
Mission
Our mission is to enable people and organizations to achieve their full potential.
As a professional services organization, our mission is focused on our clients' people and organizations. It is our company's cornerstone belief that we will not lead the industry in assisting our clients unless we excel at helping our own people and teams reach their full potential.
Culture
Our corporate culture encourages personal and professional growth because LCE's success depends on the talent, innovation, professionalism, and commitment of its employees. LCE is a strengths-based organization focused on turning individual talents into strengths and then turning individual strengths into organizational performance that supports our clients' success.
Benefits
  • Affordable Medical/Dental/Vision Plans for employees and their families
  • Free Employee Life and Disability Insurance, with supplemental coverage options available
  • Health Savings Account and Flexible Savings Account options
  • Company matched 401(k) & company-funded Employee Stock Ownership Program (ESOP)
  • Paid Vacation, Holiday, Sick Leave
  • Continuing Education and Professional Development programs at all levels
  • Flexible Schedules and Relaxed Dress Code
  • Employer-sponsored events, social collaboration, and open communication
  • Free access to an extensive online training library, including certification prep
  • Bonus Program for outstanding contributions, Employee Referral Program, numerous Recognition Opportunities, and more...
*Benefits may vary by business unit and location. https://www.lce.com/why-work-at-lce/#benefits
Life Cycle Engineering (LCE) shall abide by the requirements of 41 CFR §§ 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, or national origin. Moreover, these regulations require that LCE take affirmative action to employ and advance in employment individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, because of or on the basis of pregnancy, childbirth, or related medical conditions, including, but not limited to, lactation, and any other status protected by applicable state law. In addition, LCE will not discharge or in any other manner discriminate against any employee or applicant for employment because such employee or applicant has inquired about, discussed, or disclosed the compensation of the employee or applicant or another employee or applicant. LCE shall also abide by the requirements of 29 CFR Part 471, Appendix A.

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