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Diesel Engine Mechanical Engineer Jobs (NOW HIRING)

Diesel Engine Mechanic

Union City, OK · On-site

$22 - $29.25/hr

Mechanical skills should include, but are not limited to, mechanical, electrical, pneumatic and ... Relevant experience as a Diesel Engine technician * Current HSE certifications PHYSICAL ...

Diesel Engine Mechanic

Schriever, LA · On-site

$21.25 - $28/hr

Diesel Engine Mechanic Minimum Required Education and Experience: * High School Diploma or GED ... heavy equipment such as mechanical and computer electronic controls, air brake systems ...

Diesel Engine Mechanic

Schriever, LA · On-site

$21.25 - $28/hr

Diesel Engine Mechanic Minimum Required Education and Experience: * High School Diploma or GED ... heavy equipment such as mechanical and computer electronic controls, air brake systems ...

Diesel Engine Mechanic

Schriever, LA · On-site

$21.25 - $28/hr

Diesel Engine Mechanic Minimum Required Education and Experience: * High School Diploma or GED ... heavy equipment such as mechanical and computer electronic controls, air brake systems ...

Diesel Engine Mechanic

Schriever, LA · On-site

$21.25 - $28/hr

Diesel Engine Mechanic Minimum Required Education and Experience: * High School Diploma or GED ... heavy equipment such as mechanical and computer electronic controls, air brake systems ...

Diesel Engine Mechanic

Lubbock, TX · On-site

$21.50 - $28.25/hr

Norton Energy Drilling is currently looking to hire an experienced diesel engine mechanic to service the company's numerous engines powering its fleet of drilling rigs. Responsibilities * Diagnose ...

Diesel Engine Mechanic

Lubbock, TX · On-site

$38 - $44/hr

Norton Energy Drilling is currently looking to hire an experienced diesel engine mechanic to service the company's numerous engines powering its fleet of drilling rigs. Responsibilities * Diagnose ...

Diesel Engine Mechanic

Clinton, MD · On-site

$35 - $40/hr

Diesel Engine Mechanic Location: Capitol Heights, MD Salary: $35/hr + Benefits Full-Time Role ... Troubleshoot mechanical and electrical issues efficiently. Maintain accurate service and repair ...

Diesel Mechanic

Shreveport, LA · On-site

$30 - $40/hr

What You'll Do as the Diesel Engine Mechanic: * Maintain and repair diesel trucks, trailers, and heavy equipment to ensure safe, reliable operation * Diagnose mechanical, hydraulic, and electrical ...

Diesel Mechanic

Shreveport, LA · On-site

$30 - $40/hr

What You'll Do as the Diesel Engine Mechanic: * Maintain and repair diesel trucks, trailers, and heavy equipment to ensure safe, reliable operation * Diagnose mechanical, hydraulic, and electrical ...

Diesel Mechanic

Shreveport, LA · On-site

$30 - $40/hr

What You'll Do as the Diesel Engine Mechanic: * Maintain and repair diesel trucks, trailers, and heavy equipment to ensure safe, reliable operation * Diagnose mechanical, hydraulic, and electrical ...

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Diesel Engine Mechanical Engineer information

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$5

$39

$51

How much do diesel engine mechanical engineer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for diesel engine mechanical 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 is the difference between Diesel Engine Mechanical Engineer vs Mechanical Engineer?

AspectDiesel Engine Mechanical EngineerMechanical Engineer
Required CredentialsBachelor's in Mechanical Engineering, certifications in diesel engine technologyBachelor's in Mechanical Engineering, general engineering certifications
Work EnvironmentEngine testing labs, manufacturing plants, repair facilitiesDesign offices, manufacturing plants, R&D labs
Industry UsageAutomotive, heavy machinery, transportationVarious industries including aerospace, manufacturing, energy

The main difference is that Diesel Engine Mechanical Engineers specialize in designing, testing, and maintaining diesel engines, often working directly with engine components and systems. Mechanical Engineers have a broader scope, working on various mechanical systems across multiple industries. Both roles require a mechanical engineering background, but Diesel Engine Mechanical Engineers focus specifically on diesel engine technology and applications.

What does a diesel engine mechanical engineer do?

A Diesel Engine Mechanical Engineer specializes in the design, development, testing, and maintenance of diesel engines used in vehicles, power generators, marine vessels, and industrial machinery. They focus on improving engine efficiency, performance, and emissions compliance. Their work involves using computer-aided design (CAD) software, analyzing engine systems, troubleshooting technical issues, and collaborating with other engineers and technicians. Additionally, they may oversee engine installation, perform diagnostics, and develop maintenance protocols.

What are the key skills and qualifications needed to thrive as a diesel engine mechanical engineer?

To thrive as a Diesel Engine Mechanical Engineer, you need a strong background in mechanical engineering principles, thermodynamics, and diesel engine systems, usually supported by a relevant engineering degree. Familiarity with CAD software (such as AutoCAD or SolidWorks), engine diagnostic tools, and industry certifications like Professional Engineer (PE) licensure is often required. Strong analytical thinking, problem-solving abilities, and effective teamwork skills help engineers excel in this field. These competencies ensure safe, efficient engine design, troubleshooting, and maintenance, which are critical for reliability and performance in automotive and industrial applications.

What are some common challenges faced by diesel engine mechanical engineers in their daily work?

Diesel Engine Mechanical Engineers often encounter challenges such as troubleshooting complex engine issues, ensuring compliance with evolving emissions regulations, and optimizing engine performance under varying operational conditions. Collaborating closely with multidisciplinary teams—including design, testing, and manufacturing departments—is crucial to address these challenges effectively. Staying up-to-date with the latest advancements in diesel technology and diagnostic tools also plays a significant role in overcoming technical obstacles and delivering reliable engine solutions.
More about Diesel Engine Mechanical Engineer jobs
What states have the most Diesel Engine Mechanical Engineer jobs? States with the most job openings for Diesel Engine Mechanical Engineer jobs include:
Infographic showing various Diesel Engine Mechanical Engineer job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $82,672 per year, or $39.7 per hour.

Diesel Engine Mechanic (Machinist)

Canadian National Railway Company

Stevens Point, WI

$24.25 - $32/hr

Full-time

Medical, Dental, Vision, Retirement

Posted 12 days ago


Canadian National Railway rating

7.5

Company rating: 7.5 out of 10

Based on 49 frontline employees who took The Breakroom Quiz

136th of 360 rated logistics


Job description

Diesel Engine Mechanic (Machinist)

At CN, we are committed to our pursuit of excellence. We take pride in delivering work of the highest standard, continually innovating to shape the railroad of the future. As responsible railroaders, we make the right decisions every time, putting safety first, acting with unwavering integrity, and holding ourselves accountable for our actions. We believe in succeeding together-by fostering inclusivity and collaboration, we sustainably deliver exceptional results for our customers.

If you are a skilled trades person or interested in skilled trades and continuous learning in a safety-focused environment, working at CN could be a great fit for you. You'll be working on all types of equipment and structures designed to support the distribution of freight across North America. Enjoy paid training and evolve your skills. The careers we offer are meaningful because the work we do matters. Join us and get your career moving!  

Job Summary

The Diesel Engine Mechanic (HDM) is responsible for performing inspections, major and minor repairs, overhauls and servicing on all types of locomotives.

Working Conditions
  • Work shift work, which consists of: Irregular hours, including nights, weekends, holidays, and occasional overtime
  • Work in a shop environment and outside in all weather conditions
  • Occasionally work in confined spaces and at elevated heights
  • Frequent stooping, lifting, kneeling, bending, crouching and climbing
  • Occasional travel required
Major Responsibilities
  • Inspect, service and maintain locomotives, in accordance with federal and company regulations, including changing oil or repairing, replacing, cleaning and adjusting parts
  • Troubleshoot and diagnose diesel engine malfunctions and make required repairs
  • Assemble and start engines
  • Use electric and oxy-acetylene welding equipment, lubrication equipment and other vehicle repair tools and equipment, and operate said tools and machinery in a safe and efficient manner
  • Prepare inspection, maintenance, and work reports, and record details on prescribed forms in accordance with established procedures
  • Operate locomotive on shop tracks
  • Test locomotives on shop track after repair
Requirements
  • Valid driver's license
  • High School diploma or equivalent GED
  • Must be 18 years of age
  • Must meet all medical fitness for duty requirements for the position
  • Using measuring devices and understanding visual displays
  • Basic technical knowledge of diesel mechanics
  • Frequent lifting/carrying up to 50 lbs and occasionally up to 70 lbs
  • Displays good hand-eye coordination

Assets

  • Valid CDL for the class and type of equipment operated
  • Ability to certify company equipment in accordance with state standards
  • Experience troubleshooting hydraulic and electronic systems
  • Welding skills
  • Basic computer skills
  • Diesel Mechanic experience and/or Diesel Mechanic Diploma
  • Ability to work autonomously, adapt to different situations and manage stress
  • Demonstrate good teamwork skills and maintain positive interactions with others
  • Displays good verbal, reading comprehension and writing skills
  • Dedicated to getting the job done while meeting established standards of quality, safety and client satisfaction.
What We Offer
  • Competitive Wages, Benefits, and Pension Plan
  • Paid Training and Career Development
  • Medical, vision, and dental insurance
  • 24/7 Telemedicine Service
  • Employee Share Investment Plan
  • Educational Financial Assistance Program
  • Employee Resource Groups (ERGs)
  • Extensive Employee Discount Program
  • Employee & Family Assistance Program (EFAP)
Paid Training:

Newly hired Diesel Engine Mechanics (HDM) take part in several weeks of training which includes classroom instructions and field training. The classroom training will take place at the CN Campus in Homewood, IL. The training guides the new Diesel Engine Mechanics (HDM) through the critical safety skills required to work on the railroad.

Once the classroom training is complete, the Diesel Engine Mechanics (HDM) will complete on-the job training to enhance his/her knowledge and skills. Successful completion of the training course is mandatory in order to work as a Diesel Engine Mechanics (HDM).

Successful Candidate Process:

  • Medical assessment (including drug, hearing, and vision). 
  • Criminal background check
  • Offer Letter

Paid Training Structure:

  • 3 weeks at CN campus (Homewood, IL)
  • 2+ weeks in shop (on-the-job training)
  • 3 weeks at CN campus (Homewood, IL)

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