We Are Hiring!
We are a leading full-service engineering, architecture and consulting firm headquartered in Neenah, Wisconsin. We also have regional offices in Machesney Park, Illinois and Valparaiso, Indiana. Since our start in 1909, we’ve been committed to designing for a sustainable future and providing innovative solutions for our clients.
We’re looking to hire people who strongly identify with our team’s core values including honesty, integrity, service, and excellence.
View and apply to our open positions below. If you have questions about working for McMahon, please contact us.
Our Public Service & Municipal Management Group also works with municipalities to assist with their recruitment efforts. If searching for available Municipal Jobs, click here
Longstanding History
Successfully delivering results for our clients for more than 100 years.
Service Inspired
Consistently ranked Top 500 Design Firm by Engineering News Record.
Culture for Success
Mentoring and empowering our employees by allowing them to innovate with independence.
Competitive Compensation
Offering competitive salaries and a great benefits package.
Available Career Opportunities
McMahon has an immediate opening for a GIS Analyst in their Neenah, Wisconsin office.
McMahon has an opening for a Water Resource Engineer in their Neenah, Wisconsin office.
McMahon has an immediate opening for an Engineering Technician in their Valparaiso, Indiana office.
Our Transportation group is looking for a confident and accountable transportation engineer who has the skill set to oversee multiple projects, the diligence to represent our firm and our clients, and the professional expertise to collaborate with construction contractors.
McMahon has an immediate opening for a Civil Engineer in their Neenah, Wisconsin office.
McMahon has an immediate opening for a Plumbing Systems Designer in their Neenah, Wisconsin office.