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Diesel Engineer Jobs in Wisconsin (NOW HIRING)

Walker Forge

Lead Fleet Maintenance Mechanic

Clintonville, WI · On-site

$24.25 - $32.25/hr

Under the supervision of the Engineering & Maintenance Manager the Lead Fleet Maintenance Mechanic ... An associate's degree from an accredited technical college in Diesel Equipment Technology or Diesel ...

Generac

Product Support Engineer

Sussex, WI

The Product Support Engineer is responsible for activities within the Product Support Engineering ... Experience with diesel/natural gas gensets, power systems, controls, or related C&I equipment ...

Generac

Technical Solutions Engineer

Sussex, WI

The Technical Solutions Engineer is a developmental position, which will be used to train and ... Support Generac's natural gas market position by helping convert diesel quotes/projects into gas

WSP

Lead Generation Mechanical Engineer

Madison, WI

$111K - $134K/yr

Perform high-complexity engineering designs including analysis, calculations, research, and ... Renewable and natural gas/diesel fired generation plant design experience. * Experience using ...

WSP

Lead Generation Mechanical Engineer

Madison, WI · On-site

$111K - $134K/yr

Perform high-complexity engineering designs including analysis, calculations, research, and ... Renewable and natural gas/diesel fired generation plant design experience. * Experience using ...

Cummins

Test Technician Associate

Stoughton, WI · On-site

Where diesel expertise meets engineering innovation. As a Test Technician Associate, you'll be responsible for operating sophisticated test equipment, supporting diesel engine and aftertreatment ...

Cummins Inc.

Test Technician Associate

Stoughton, WI

Where diesel expertise meets engineering innovation. As a Test Technician Associate, you'll be responsible for operating sophisticated test equipment, supporting diesel engine and aftertreatment ...

New

Cummins Inc.

Test Technician Associate

Stoughton, WI

Where diesel expertise meets engineering innovation. As a Test Technician Associate, you'll be responsible for operating sophisticated test equipment, supporting diesel engine and aftertreatment ...

New

Cummins

Test Technician Associate

Stoughton, WI

Where diesel expertise meets engineering innovation. As a Test Technician Associate, you'll be responsible for operating sophisticated test equipment, supporting diesel engine and aftertreatment ...

New

Cummins

Test Technician Associate

Stoughton, WI

Where diesel expertise meets engineering innovation. As a Test Technician Associate, you'll be responsible for operating sophisticated test equipment, supporting diesel engine and aftertreatment ...

New

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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 Aug 9, 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 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.
More about Diesel Engineer jobs
What are popular job titles related to Diesel Engineer jobs in Wisconsin? For Diesel Engineer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Diesel Engineer jobs in Wisconsin look for? The top searched job categories for Diesel Engineer jobs in Wisconsin are:
What are popular job titles related to Diesel Engineer jobs in WI? For Diesel Engineer jobs in WI, the most frequently searched job titles are:
Diesel Engineer jobs near you
Infographic showing various Diesel Engineer job openings in Wisconsin 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 $83,445 per year, or $40.1 per hour.

Lead Fleet Maintenance Mechanic

Walker Forge

Clintonville, WI • On-site

$24.25 - $32.25/hr

Other

Re-posted 28 days ago

Job description

Under the supervision of the Engineering & Maintenance Manager the Lead Fleet Maintenance Mechanic will be responsible for the fleet of vehicles and supervision of the designated fleet maintenance mechanics tasked with performing preventative and corrective maintenance on that fleet of vehicles, including but not limited to freight delivery trucks, forklifts, automobiles, scissor lifts, boom lifts, mobile cranes, golf carts, and grounds maintenance equipment at Walker Forge & Precision Thermal Processing.
  • An associate's degree from an accredited technical college in Diesel Equipment Technology or Diesel Truck Technology or a technical diploma from an accredited technical college for Diesel Equipment Technician, Diesel Engine Technician, or Diesel Truck Technician and a minimum of five years' experience are required in the repair and maintenance of heavy trucks, forklifts, construction equipment, or agricultural equipment.
  • The position may require additional external or internal training in specialized areas as appropriate.
  • This position requires strong mechanical and electrical aptitude with knowledge of diesel engine systems, electrical and hydraulic systems, and proficiency with diagnostic tools.
  • The ability to read and interpret documents such as work instructions, blueprints, parts diagrams, electrical schematics, hydraulic schematics, preventative maintenance documents.

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