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Diesel Engine Mechanical Engineer Jobs in Colorado

Stratom

Sr. Mechanical Engineer

Louisville, CO · On-site

$120K - $180K/yr

About the Role This role is intended for a senior mechanical engineer who is comfortable operating ... Specifications for and integrating motive power sources, such as diesel/gasoline engines, electric ...

Stratom

Sr. Mechanical Engineer

Louisville, CO · On-site

$109K - $144K/yr

This role is intended for a senior mechanical engineer who is comfortable operating across concept ... Specifications for and integrating motive power sources, such as diesel/gasoline engines, electric ...

Groove Subaru

Used Car Technician

Englewood, CO · On-site

$23 - $32/hr

Diagnose and repair mechanical issues in vehicles, focusing on diesel engine repair and powertrain systems. * Perform routine maintenance and inspections to ensure vehicle safety and performance.

stefanini_training

Diesel Mechanic

Commerce City, CO · On-site

$26.25 - $34.75/hr

As a Technician / Mechanic, you will support engineering during testing activities. Change ... Basic understanding or knowledge of Truck systems (steering, suspension, brakes, electrical, engine ...

Groove Subaru

Used Car Technician

Englewood, CO · On-site

$23 - $32/hr

Diagnose and repair mechanical issues in vehicles, focusing on diesel engine repair and powertrain systems. * Perform routine maintenance and inspections to ensure vehicle safety and performance.

Gobeacon

Diesel Mechanic - MBS

Commerce City, CO · On-site

$38/hr

Diesel engine repair: 1 year (Preferred) * Mechanical knowledge: 1 year (Preferred) Work Location: One location Beacon Mobility is an equal opportunity employer that is committed to diversity and ...

Groove Subaru

Used Car Technician

Englewood, CO · On-site

$23 - $32/hr

Diagnose and repair mechanical issues in vehicles, focusing on diesel engine repair and powertrain systems. * Perform routine maintenance and inspections to ensure vehicle safety and performance.

Rush Enterprises

Mobile Diesel Mechanic

Pueblo, CO · On-site

$60/hr

Maintain and inventory the supplied tools for the work required in maintaining diesel engine trucks ... Mechanical aptitude and technical ability is a must. * Peterbilt, International, Ford, Hino, Isuzu ...

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All JobsDiesel Engine Mechanical Engineer JobsDiesel Engine Mechanical Engineer Jobs in Colorado

Diesel Engine Mechanical Engineer information

See Colorado salary details

$5

$41

$54

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

As of Sep 7, 2026, the average hourly pay for diesel engine mechanical engineer in Colorado is $41.79, according to ZipRecruiter salary data. Most workers in this role earn between $34.38 and $47.50 per hour, depending on experience, location, and employer.

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.

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 are popular job titles related to Diesel Engine Mechanical Engineer jobs in Colorado?

For Diesel Engine Mechanical Engineer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Diesel Engine Mechanical Engineer jobs in Colorado look for?

The top searched job categories for Diesel Engine Mechanical Engineer jobs in Colorado are:

Diesel Engine Mechanical Engineer jobs near you
Infographic showing various Diesel Engine Mechanical Engineer job openings in Colorado 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 $86,931 per year, or $41.8 per hour.

Mechanical Engineer - Power Generation

Kimley-Horn

Greenwood Village, CO • On-site

$110K - $165K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 17 days ago

Kimley-Horn rating

8.8

Company rating: 8.8 out of 10

Based on 87 frontline employees who took The Breakroom Quiz

66th of 453 rated engineering

Job description

Kimley-Horn's Denver (CO) office is seeking a Mechanical Engineer with 10+ years of experience to join their Power Generation team!


  • Prepare cost estimates, project work plans, and schedules, and perform work that requires independent judgment in evaluating, selecting, adapting, and modifying standard engineering methods and criteria.
  • Provide guidance, technical direction, and mentorship to junior team members.
  • Maintain regular communication and coordination with clients and external partners.
  • Lead mechanical engineering efforts for natural gas and coalfired power generation projects.
  • Design and support systems related to Air Quality Control and Effluent Limitation Guidelines.
  • Perform comprehensive piping system design, including pipe and valve selection/sizing, material selection (fittings, gaskets, etc.), pipe routing, and pipe support design.
  • Develop and review P&IDs to ensure accurate representation of system components and operation.
  • Conduct mechanical equipment condition assessments and perform lifecycle cost analyses.
  • Design plumbing systems for sanitary and potable water applications.
  • Engineer pumping and piping systems for a variety of fluids and gases, including blowers, steam, and compressed air.
  • Select and size tanks and vessels to meet project and process requirements.
  • Specify and coordinate instrumentation selection and placement for pumps, tanks, and vessels.
  • You will work closely and collaboratively with other industry leading professionals, various jurisdictions, and contractors.

  • 10+ years of relevant engineering design experience in Power Generation
  • Experience with simple cycle, combined cycle plants using natural gas, fuel oil, and diesel and/or coal-fired generation is preferred. 
  • Professional Engineering (P.E.) A license in Mechanical Engineering or a relevant degree
  • Strong technical engineering focus, experience in GT Pro or similar gas power performance modelling software would be beneficial.
  • Understands project life cycle, feasibility studies, competitive bidding of large power plants, engineering and construction of large power plants, commissioning, and operations phase of the plant. 
  • Strong power engineering background for power plant projects and familiar with owners’ engineer and/or technical advisory services, including feasibility and conceptual studies.
  • Experience with task management, concept design, and assisting with project management tasks
  • Familiar with coordinating with clients, attending client meetings, and overseeing quality standards

Salary Range: $110,000 - $165,000


At Kimley-Horn, we do things differently. People, clients, and employees are at the forefront of who we are. Clients know we prioritize achieving their goals and growing their success. Employees know our culture and approach to business are built on a desire to provide an environment for everyone to flourish. Our commitment to quality is only as good as the people behind it— that’s why we welcome and develop passionate, hardworking, and proactive employees. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 19 years!

Key Benefits at Kimley-Horn

  • Exceptional Retirement Plan: 2-to1- company match on up to 4% of eligible compensation (salary + bonus) and additional profit-sharing contribution.
  • Comprehensive Health Coverage: Low-cost medical, dental, and vision insurance options.
  • Time Off: Personal leave, flexible scheduling, floating holidays, and half-day Fridays.
  • Financial Wellness: Student loan matching in our 401(k), and performance-based bonuses.
  • Professional Development: Tuition reimbursement and extensive internal training programs.
  • Family-Friendly Benefits: New Parent Leave, family building benefits, and childcare resources.

What Kimley-Horn employees say

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Benefits

Hours and flexibility

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About Kimley-Horn

Sourced by ZipRecruiter

We are a full-service consulting firm that provides a wide range of infrastructure and land development planning and engineering services to both public and private clients. Though we have more than 6,000 employees in 100+ offices, we pride ourselves on our small company feel. At Kimley-Horn, we do things differently. People--clients and employees--are at the forefront of our business. Clients know we are laser-focused on their success. Employees know our culture and approach to business are built on a desire to see our staff flourish, one and all. Both groups know that with Kimley-Horn, they can expect more and experience better.

Industry

Specialized design services

Company size

5,001 - 10,000 Employees

Headquarters location

Raleigh, NC, US

Year founded

1967

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