Diesel Mechanic Second Shift

Interstate Companies, Inc.; Town of Butler (WI); On-site; USD 42,000 - 64,000; Full time

Benefits offered by this job

Competitive pay

Uniforms provided

Tool program assistance

Medical, dental, vision benefits

401(k) with company match

PTO Day 1

Paid holidays

Tuition reimbursement

Life insurance

Job summary

Interstate Power Systems in Butler, WI is hiring a Diesel Mechanic (2nd Shift) to service heavy‑duty diesel trucks and equipment.

You will diagnose, repair, and maintain engines, transmissions, and electrical systems, using OEM tools and Cummins Insite. Our team works in a fast-paced shop with emphasis on safety and quality service.

Join a team offering competitive pay, strong benefits, and real career growth opportunities, plus options for ASE certification and ongoing training.

Qualifications

• 2+ years experience on diesel trucks or heavy equipment
• Strong mechanical aptitude with diesel engines and electrical systems
• Ability to read schematics, wiring diagrams, and service manuals
• Experience with OEM diagnostic tools preferred
• Basic welding/fabrication a plus
• Valid driver's license; CDL preferred
• Ability to lift up to 75 lbs in shop conditions

Responsibilities

• Diagnose and repair mechanical, electrical, and hydraulic systems on heavy-duty diesel trucks and/or equipment
• Perform preventive maintenance (oil changes, brakes, inspections, etc.)
• 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 engine knowledge

Electrical systems

Diagnostics

Read schematics/wiring diagrams

OEM diagnostic tools

Welding/fabrication

CDL preferred

Lifting 75 lbs in shop

Education

ASE Diesel Certification (T2–T8)

Tools

Cummins Insite

Detroit Diagnostic Link

OEM diagnostic tools

Job description

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.

Diesel Mechanic (2nd Shift)

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.
• Perform preventive maintenance (oil changes, brakes, inspections, etc.)
• 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
• Basic welding/fabrication a plus
• 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
• Tuition reimbursement & career growth support
• Company-paid life, short-term & long-term disability
• Safety reimbursement (boots & glasses)
• Employee discounts + pet insurance options
• Free 24/7 Employee Assistance Program

Equal Opportunity Employer

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