His primary research focus is the application and improvement of geophysical and remote sensing methods for geotechnical and earthquake engineering. He has worked extensively on the use of seismic surface wave methods for earthquake site characterization studies and on space-borne and ground-based interferometric radar measurements for civil infrastructure evaluation. Rosenblad has performed research for the National Science Foundation, National Geospatial Intelligence Agency, the United States Geological Survey, the Midwest Transportation Consortium and the Missouri Department of Transportation, among others. He is a member of the Transportation Research Board subcommittee on geophysics and is the vice chairman of the American Society of Civil Engineers Geophysical Engineering committee. He is a registered professional engineer in Missouri.