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Diesel Engineer Jobs in Wisconsin (NOW HIRING)

Fairbanks Morse Defense

Project Engineer

Beloit, WI

Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while supporting these projects from the technical proposal stage through ...

Fairbanks Morse Defense

Project Engineer

Beloit, WI · On-site

Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while supporting these projects from the technical proposal stage through ...

Fairbanks Morse Defense

Project Engineer

Beloit, WI

Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while supporting these projects from the technical proposal stage through ...

Fairbanks Morse Defense

Project Engineer

Beloit, WI · On-site

Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while supporting these projects from the technical proposal stage through ...

fairbanksmorse

Project Engineer

Morse, WI · On-site

Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while supporting these projects from the technical proposal stage through ...

Fairbanks Morse Defense

Project Engineer

Beloit, WI · On-site

$85 - $110/hr

Fairbanks Morse Defense, Beloit, Wisconsin, United States of America Position Summary The Project Engineer will focus on diesel engine and generator set system and component design and test, while ...

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All JobsDiesel Engineer JobsDiesel Engineer Jobs in Wisconsin

Diesel Engineer information

See Wisconsin salary details

$5

$40

$52

How much do diesel engineer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for diesel engineer in Wisconsin is $40.12, according to ZipRecruiter salary data. Most workers in this role earn between $32.98 and $45.62 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 Wisconsin as of August 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $83,445 per year, or $40.1 per hour.

Electrical Engineer

Sterling Engineering Inc.

Darien, WI • On-site

$80K - $100K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago

Key responsibilities

  • Design electrical systems for diesel and gas-fueled generators, including low-voltage AC power and control systems.

  • Create and maintain schematics, panel layouts, wiring diagrams, and bills of materials using AutoCAD Electrical.

  • Support production, collaborate with manufacturing teams, and serve as a technical resource for troubleshooting and resolving product issues.

Job description

We are supporting a client specializing in high-quality enclosure and power solutions, seeking an Electrical Engineer I to design electrical systems used in the power generation industry. This role focuses on low-voltage AC power and control systems for diesel and gas-fueled generators, including design, component selection, testing support, and production troubleshooting. The position offers hands-on engineering experience, cross-functional collaboration, and long-term growth within a well-established organization.

Employment Type: Direct Hire

Location: Darien, WI 53114

Salary: $80,000–$100,000

Benefits: A comprehensive benefits package is offered, including medical, dental, vision, paid time off, paid holidays, 401(k) with company match,  life insurance, and additional employee perks.

Responsibilities
  • Design, develop, and assist in testing electrical systems for diesel and gas-fueled generators, ensuring compliance with engineering standards, applicable codes, customer specifications, and cost constraints.
  • Review and interpret customer specifications and sales agreements to ensure design compliance.
  • Create and maintain schematics, panel layouts, interconnects, point-to-point wiring diagrams, and other design files using AutoCAD Electrical.
  • Design main low-voltage AC power systems below 600V.
  • Evaluate and select electrical and electronic components for control systems.
  • Design control systems supporting heating, filtration, and pumping applications.
  • Create bills of materials using the company’s engineering change order process.
  • Serve as a technical resource for customers and service personnel by helping diagnose and resolve product issues in the field.
  • Support production and collaborate with manufacturing teams to ensure design intent and quality standards are met.
  • Incorporate applicable UL and NEC requirements into electrical designs.
  • Stay current with industry developments and contribute ideas for new products and design improvements.
  • Travel to job sites as needed to troubleshoot and resolve technical issues.
  • Comply with all quality and safety requirements and complete other duties as assigned by management.

Qualifications
  • Must Have: Bachelor’s degree in Engineering with 1–2 years of related experience preferred, or 3–5 years of progressively responsible related experience, or an equivalent combination of education and experience.
  • Must Have: Knowledge of AutoCAD Electrical, including schematics, panel layouts, interconnects, and point-to-point wiring diagrams.
  • Must Have: Knowledge of low-voltage AC power systems, control systems, NEC 70E, and UL standards.
  • Proficiency in Microsoft Office.
  • Strong verbal and written communication skills with the ability to contribute effectively in a team environment.
  • Ability to work independently, manage priorities, troubleshoot technical issues, and complete assignments on time.

Qualified applicants will receive consideration without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or genetic information.