Current Career Opportunities

Civil Engineering Technician
Construction On-Site Representative
Intern Revit-BIM Technician
Mechanical-HVAC Engineer
Plumbing Systems Designer
Senior Civil Engineer
Water Resource Engineer
Water-Wastewater Engineer

Internship Opportunities Available!

Furnish letter of interest, resume and references in confidence to:
McMAHON, attn: Sarah Kundinger
P.O. Box 1025 | Neenah, WI 54957-1025
or email: [email protected]

McMAHON is a locally-owned company grounded in a team environment that provides competitive salary and outstanding benefit packages. We welcome you to explore our website to learn more about the McMAHON Group of Companies.  Check out our video below to hear what some of our own employees have to say about our service-oriented philosophy, The McMAHON Way.

McMAHON and Harbor House Domestic Abuse Programs were recently awarded the Business Partnership Award by the Community Foundation for the Fox Valley Region. The award is one of seven awards intended to celebrate volunteerism and honor those who go above and beyond to help make the community a better place with their gifts of time. McMAHON is also recognized as a Top 500 Design Firm by Engineering News Record (ENR).




We recently completed a major expansion and renovation of our corporate headquarters. Take a peek at the transformation:

McMAHON is proud to be based in Neenah, Wisconsin, part of the thriving region known as The New North.  Find out more about everything The New North has to offer: