Senior Mechanical Engineer

Position: Senior Mechanical Engineer – Heavy Industrial & Mining Equipment
Location: Butler, WI (onsite, Mon–Fri)
Compensation: $105 k – $120 k base + full benefits
Employment: Full-time, direct-hire (W-2)
Work Authorization: U.S. citizen or permanent resident

About the Role

Join a market-leading manufacturer of custom, heavy-duty machinery used in mining and other rugged industrial settings. Every build is unique, so you’ll tackle new mechanical challenges daily while shaping the next generation of high-horsepower equipment. This senior role blends hands-on design with project leadership and future team-building responsibilities.

Key Responsibilities

• Mechanical Design & Integration
• Create concepts, layouts, and detailed drawings for large, one-off machines.
• Specify materials, weldments, bearings, hydraulics, and drivetrains; ensure designs meet structural and performance targets.
• Integrate electrical and hydraulic systems seamlessly into mechanical assemblies.
• Project Ownership
• Lead multiple projects from kickoff through build, test, and customer delivery.
• Coordinate with manufacturing, purchasing, and field-service teams to hit cost, quality, and timeline goals.
• Technical Leadership
• Provide expertise in metallurgy, hydraulics, and mining-specific applications.
• Draft standards, calculations, and risk analyses to elevate product reliability and safety.
• Department Growth
• Assist in recruiting and mentoring additional engineers as the business expands.
• Foster a culture of innovation, continuous improvement, and clear communication.

Required Qualifications

RequirementDetailsEducationBachelor’s degree in Mechanical EngineeringIndustry Experience5 + years designing or manufacturing heavy industrial equipment; mining exposure strongly preferredTechnical DepthDemonstrated knowledge of hydraulics, power transmission, structural analysis, and metallurgyLeadershipProven ability to manage multiple concurrent projects and communicate effectively across functionsTravelWillingness to make minimal, occasional trips to customer or vendor sitesEligibilityU.S. citizen or Green-Card holder; role is 100 % onsite (no remote option)

Why You’ll Like It Here

• Variety & Challenge: Each machine is custom—no repetitive design loops.
• Impact: Your work directly improves safety and productivity for global mining operations.
• Growth Path: Opportunity to evolve into department leadership as the company scales.
• People-First Culture: Privately held, stable employer that invests in employee development and celebrates long-term careers.

Bring your heavy-equipment expertise and passion for hands-on engineering, and help us build the toughest machines in the field.