2013–present Director, Center for Environmental Engineering Protection (CEEP), University of Louisiana at Lafayette, Lafayette, LA

2012-present Full Professor, Dept. of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA

2011-present Graduate Coordinator, Dept. of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA

2007-2012 Associate Professor (with tenure), Dept. of Civil Engineering, University of Louisiana at Lafayette, Lafayette, LA

2003-2007 Assistant Professor, Associate Professor (with tenure), Dept. of Civil Engineering, West Virginia University Institute of Technology, Montgomery, WV

2001-2003 Research Assistant Professor, Civil and Environmental Engineering Department, University of Missouri, Columbia, Missouri

1997-2001 Graduate Research Assistant, Civil and Environmental Engineering Department, University of Missouri, Columbia, Missouri

1988-1997 Instructor, Assistant Professor, Associate Professor, Wuhan Institute of Technology (WIT), Wuhan, P. R. China