Parker is a civil engineer with McClure Engineering Company, a private engineering services firm in Cedar Rapids. He is a licensed Professional Engineer in Iowa and Wisconsin, primarily focusing on design of water quality projects. Since graduating from the UI School of Planning and Public Affairs in 2016, Parker has worked on the design for several stream restorations, stormwater wetlands, bioretention cells, detention basins, and a number of other water quality projects. He is especially adept at stormwater modeling using GIS based software and spatial analysis of stormwater quantity and quality projects. Parker is extremely passionate about water quality issues throughout Iowa and routinely finds time to enjoy the state's waterbodies through kayaking, fishing, and through his work.