Diesel Mechanic

Interstate Companies, Inc.; Northern (KY); Hybrid; USD 39,000 - 52,000; Full time

Benefits offered by this job

Competitive pay

Uniforms provided + cleaning included

Tool program assistance

Full benefits (medical, dental, vision

401(k) with company match

PTO starting Day 1

Paid holidays + floating holidays

Company-paid life, short-term & long‑d

Disability

Safety reimbursement (boots & glasses)

Employee discounts + pet insurance

Free 24/7 Employee Assistance Program

Job summary

Interstate Power Systems in Butler, WI is seeking an experienced diesel technician to diagnose and repair heavy-duty trucks and equipment. You will handle engine, transmission, turbo, and differential work, using Cummins Insite and Detroit Diagnostic Link tools while documenting repairs for compliance.

Join a team that values safety, quality service, and ongoing career growth with full benefits, a competitive pay package, and company-matched 401(k).

Qualifications

• 2+ years working on diesel trucks or heavy equipment
• Strong mechanical aptitude with diesel engines, electrical systems, and diagnostics
• Ability to read schematics, wiring diagrams, and service manuals
• Experience with OEM diagnostic tools preferred
• Valid driver’s license required (CDL preferred)
• Ability to lift up to 75 lbs. and work in shop conditions

Responsibilities

• Diagnose and repair mechanical, electrical, and hydraulic systems on heavy-duty diesel trucks and/or equipment.
• Repair/replace major components including engines, transmissions, turbos, and differentials
• Use diagnostic software (Cummins Insite, Detroit Diagnostic Link, OEM tools)
• Complete service documentation for repairs, parts, and compliance
• Communicate repairs and recommendations to customers and internal teams
• Follow all safety standards (OSHA, DOT, company protocols)
• Maintain tools and equipment for daily operations

Skills

Diesel engines

Electrical systems

Diagnostics

Schematics reading

Tools

Cummins Insite

Detroit Diagnostic Link

OEM tools

Job description

Are you looking for a great job with a great company? See what we have to offer! We have opportunities for experienced and entry-level technicians and many other rewarding jobs.

Our jobs come with great benefits, such as health insurance, 401(k) plans with a company match and flexible PTO.

We’re proud to operate in vibrant cities in 14 states in the Midwest and Rocky Mountain regions. Start your career here. We encourage career development across our dozens of branches.

Our wide-ranging job opportunities include:

Strong Benefits Package

• Variety of Insurance Programs to Meet Your Needs
• Immediate PTO for Full-time Employees
• 401(k) retirement plan with up to
  25% company match

Interstate provides a competitive benefits package and many additional perks for its
employees. We know that benefits are an important part of an employee’s overall
compensation, and we build a benefits package to help meet those employee expectations.

Though our job opportunities may be quite different, there is one constant
that comes with every position – Interstate Companies’ commitment to
Pride in Service, our promise to deliver exceptional customer service every day.

Many Employee Perks

In addition to our competitive benefits package, we offer these programs to employees:

• Membership banking with Wells Fargo
• Dell discount program
• New vehicle discount programs with General Motors, DaimlerChrysler and Ford

With multiple locations throughout the U.S., Interstate Companies is a dynamic organization that provides rewarding careers in a variety of professions. The opportunities are wide-ranging, from diesel technicians and purchasing specialists to sales professionals and industrial managers.

We take personal pride in our work and our relationship with customers. Whether we are delivering a new Freightliner to a buyer in Montana or building a V&H Work Ready Truck at our manufacturing plant in Marshfield, Wisconsin, we share a common value, Pride in Service.

We Are Interstate Companies

Our employees reflect our company values

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We work to be good business partners in our community.

We help one another. Experienced employees are eager to help new hires get off to a good start.

We stress open communication and value everyone’s opinion on how to strengthen our company.

We are trusted and enjoy autonomy in much of our work.

We find our success in the success of our customers.

Customers rely on us to help solve their problems.

We are committed to providing quality, reliable service.

We work to be good business partners in our community.

We help one another. Experienced employees are eager to help new hires get off to a good start.

Location: Butler, WI
Shift: 3:00 PM – 11:00 PM

Why Join Interstate Power Systems?

Interstate Power Systems is a leading provider of heavy-duty truck and equipment service across the Midwest, representing top brands like Freightliner, Western Star, MTU, Volvo, Allison Transmissions and Detroit Diesel.

At our Butler location, you’ll work alongside a skilled team in a fast-paced shop with competitive pay, strong benefits, and real career growth opportunities.

What You’ll Do

• Diagnose and repair mechanical, electrical, and hydraulic systems on heavy-duty diesel trucks and/or equipment.
• Repair/replace major components including engines, transmissions, turbos, and differentials
• Use diagnostic software (Cummins Insite, Detroit Diagnostic Link, OEM tools)
• Complete service documentation for repairs, parts, and compliance
• Communicate repairs and recommendations to customers and internal teams
• Follow all safety standards (OSHA, DOT, company protocols)
• Maintain tools and equipment for daily operations

What We’re Looking For

• Experience: 2+ years working on diesel trucks or heavy equipment
• Strong mechanical aptitude with diesel engines, electrical systems, and diagnostics
• Ability to read schematics, wiring diagrams, and service manuals
• Experience with OEM diagnostic tools preferred
• Valid driver’s license required (CDL preferred)
• Ability to lift up to 75 lbs. and work in shop conditions

Bonus Points:

• Diesel tech certification or ASE (T2–T8)
• Experience with Freightliner, Kenworth, Peterbilt, Volvo, or Mack

What We Offer

• Competitive pay – earn what you’re worth
• Uniforms provided + cleaning included
• Tool program assistance
• Full benefits (medical, dental, vision) – start the 1st of the month after hire
• 401(k) with company match
• PTO starting Day 1
• Paid holidays + floating holidays
• Company-paid life, short-term & long-term disability
• Safety reimbursement (boots & glasses)
• Employee discounts + pet insurance options
• Free 24/7 Employee Assistance Program

Join a company that lives its values—Pride in Service—and invests in your future.

Interstate Companies is an Equal Opportunity Employer and proudly support military veterans.