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Diesel Assistant Jobs in Wisconsin (NOW HIRING)

Jerry's Towing

Diesel Mechanic

Roberts, WI

$35/hr

Keep the shop, tools, and work areas clean, organized, and safe. Assist with emergency repairs or ... Knowledge of diesel engines, brakes, hydraulics, electrical systems, suspension, and drivetrain ...

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI

$25.25 - $33.25/hr

Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems. * Assist senior technicians with diagnostics using tools such as ...

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI

$25.25 - $33.25/hr

Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems. * Assist senior technicians with diagnostics using tools such as ...

Istate Truck Center

Entry Level Diesel Mechanic

Windsor, WI · On-site

$25.25 - $33.25/hr

Perform routine inspections, oil changes, and preventive maintenance on diesel engines, transmissions, brakes, and electrical systems. * Assist senior technicians with diagnostics using tools such as ...

GFL Environmental

Diesel Mechanic

Fence, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Muskego, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Thorp, WI

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Thorp, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

River Falls, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Menomonie, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Viroqua, WI

$22.75 - $30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Mosinee, WI · On-site

$36/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Florence, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Niagara, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Pembine, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Thorp, WI · On-site

$30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

GFL Environmental

Diesel Mechanic

Viroqua, WI · On-site

$22.75 - $30/hr

Collaboration & Training: Assist in reviewing mechanical write-ups on equipment, coordinate repair ... Minimum of one (1) year of experience working as a diesel mechanic. * Technical Skills: Computer ...

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All JobsDiesel JobsDiesel Assistant JobsDiesel Assistant Jobs in Wisconsin

Diesel Assistant information

What qualifications do I need to be a diesel tech?

To become a diesel technician, you typically need a high school diploma or equivalent, along with technical training from a vocational school or community college. Certification from organizations like the National Institute for Automotive Service Excellence (ASE) can improve job prospects, and hands-on experience with diesel engines and tools is essential.

What are the key skills and qualifications needed to thrive as a Diesel Assistant, and why are they important?

To thrive as a Diesel Assistant, you need foundational mechanical knowledge, basic diesel engine repair skills, and often a high school diploma or equivalent. Familiarity with diagnostic tools, hand and power tools, and safety protocols is essential, and some employers may require completion of a diesel technology training program. Strong attention to detail, a willingness to learn, and effective teamwork are valuable soft skills in this role. These capabilities ensure safe, efficient maintenance of diesel equipment and contribute to the smooth operation of fleet or repair shop environments.

What is the difference between Diesel Assistant vs Diesel Mechanic?

AspectDiesel AssistantDiesel Mechanic
CertificationsBasic automotive or diesel engine training, possibly a CDLASE certification in diesel engines, technical diploma
Work EnvironmentAssist with maintenance, inspections, and basic repairs in garages or fleet settingsPerform complex repairs, diagnostics, and engine overhauls in repair shops or on-site
Job ResponsibilitiesSupport mechanics, perform routine tasks, and assist with partsDiagnose issues, repair engines, and perform detailed maintenance

While both roles involve working with diesel engines, a Diesel Assistant primarily supports mechanics with basic tasks and routine maintenance, requiring less certification. A Diesel Mechanic performs advanced repairs and diagnostics, often holding specialized certifications. The roles differ mainly in responsibility level and technical expertise required.

What diesel job pays the most?

The highest-paying diesel jobs typically include diesel service managers, fleet maintenance directors, and specialized heavy equipment mechanics, often earning six-figure salaries. These roles usually require extensive experience, certifications, and strong technical skills, and may involve supervisory responsibilities or working in demanding environments.

What are some common challenges Diesel Assistants face when supporting maintenance teams?

Diesel Assistants often encounter challenges such as working in noisy, fast-paced environments and handling physically demanding tasks like lifting heavy parts or equipment. They may also need to quickly adapt to changing priorities as emergency repairs or breakdowns arise. Collaborating effectively with mechanics and technicians is essential for smooth workflow, and maintaining a strong attention to safety procedures is crucial due to the nature of working with heavy machinery and hazardous materials.

What does a diesel mechanic assistant do?

A diesel mechanic assistant supports diesel mechanics by performing tasks such as inspecting, cleaning, and maintaining diesel engines and related parts. They may assist with repairs, use diagnostic tools, and ensure safety procedures are followed in a workshop or field environment.

Can you make 6 figures as a diesel technician?

Experienced diesel technicians can potentially earn six-figure salaries, especially with specialized skills, certifications, and extensive experience. Factors such as location, employer, and overtime can also influence earning potential in this field.

What are Diesel Assistants?

Diesel Assistants are support personnel who assist with the maintenance, repair, and operation of diesel-powered vehicles and equipment, commonly in railway or transportation sectors. Their duties often include checking and fueling engines, performing routine inspections, assisting mechanics, and ensuring that diesel locomotives or machinery operate efficiently. Diesel Assistants work under the supervision of senior technicians or engineers and play a crucial role in keeping the equipment running smoothly and safely. This position is often entry-level and can serve as a stepping stone to more advanced roles within the diesel maintenance field.
What are the most commonly searched types of Diesel jobs in Wisconsin? The most popular types of Diesel jobs in Wisconsin are:
Diesel Assistant jobs near you
Infographic showing various Diesel Assistant job openings in Wisconsin as of July 2026, with employment types broken down into 1% As Needed, 73% Full Time, 23% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.
Diesel Mechanic

Diesel Mechanic

Jerry's Towing

Roberts, WI

$35/hr

Full-time

Posted 2 days ago

Job description

We're Hiring a Skilled Diesel Mechanic!
  • Starting at $35/hr +, more depending experience

Jerry’s Towing is hiring a Diesel Mechanic to join our team in Roberts, Wisconsin. We are looking for a dependable, experienced mechanic who can help maintain, diagnose, and repair our fleet of towing and recovery equipment. This position is a strong fit for someone who takes pride in quality work, understands the importance of keeping trucks safe and road-ready, and wants a stable, full-time role with a growing company.

Our fleet includes light-duty tow trucks, medium-duty trucks, heavy-duty wreckers, service vehicles, trailers, and support equipment. The Diesel Mechanic will be responsible for performing routine maintenance, troubleshooting mechanical issues, completing repairs, and helping reduce downtime so our operators can continue serving customers safely and efficiently.

Responsibilities

Perform diagnostics, maintenance, and repairs on diesel-powered trucks and equipment.

Inspect, troubleshoot, and repair engines, transmissions, brakes, suspension systems, steering components, hydraulics, electrical systems, cooling systems, and air systems.

Perform preventative maintenance services, including oil changes, filter replacements, fluid checks, lubrication, brake inspections, and DOT-style inspections.

Diagnose and repair issues on tow trucks, wreckers, rollbacks, service trucks, trailers, and related towing equipment.

Maintain accurate records of repairs, inspections, parts used, and maintenance completed.

Identify safety concerns and communicate repair recommendations clearly.

Work with management and drivers to prioritize repairs and keep fleet downtime to a minimum.

Keep the shop, tools, and work areas clean, organized, and safe.

Assist with emergency repairs or urgent fleet needs when necessary.

Follow company procedures and safety standards at all times.

Qualifications

Diesel mechanic experience required.

Experience working on medium-duty or heavy-duty trucks preferred.

Knowledge of diesel engines, brakes, hydraulics, electrical systems, suspension, and drivetrain components.

Ability to diagnose mechanical problems and complete repairs efficiently.

Experience with towing, recovery, trucking, fleet maintenance, or heavy equipment is a plus.

Must have your own basic tools.

Valid driver’s license required.

Ability to work independently and as part of a team.

Strong attention to detail and commitment to quality workmanship.

Dependable attendance and a strong work ethic.

What We Offer

Full-time, year-round employment.

Competitive pay based on experience.

Steady work with an established towing and recovery company.

Opportunity to work on a wide range of trucks and equipment.

Supportive team environment.

Room to grow with the company.

Modern fleet and equipment.

Hands-on work where your skills directly impact daily operations.

Schedule

Full-time position. Schedule may vary based on shop needs and fleet demands.

About Jerry’s Towing

Jerry’s Towing is a professional towing, recovery, and transportation company serving customers throughout the region. Our team depends on safe, reliable trucks and equipment every day, and our diesel mechanics play a key role in keeping our operation moving.

We are looking for someone who takes pride in their work, understands the importance of fleet reliability, and wants to be part of a hardworking team.


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