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Keegan Siebenaler

Staff Engineer

Keegan joined the 406 Engineering team in 2023 after receiving a BS in Environmental Engineering and minor in Energy Studies from the University of Notre Dame. As a staff engineer, Keegan provides wastewater, water, storm, road, and site development services. Prior to joining 406 Engineering, Keegan served as the Quality Control Engineer for NDSEED’s construction of a pedestrian footbridge in rural Bolivia and the Affordable Home Ownership Program Coordinator for the Northwest Montana Community Land Trust. Keegan is a board member of ShelterWF, a housing affordability nonprofit, a member of the Whitefish Climate Action Plan Committee, and an editor of the Glacier Mountaineering Society’s Going To The Sun Journal. In his free time, you will find Keegan in the mountains, especially climbing, skiing, and running around Glacier National Park.

Keegan Siebenaler
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