March 1988 - August 1991, Research Assistant Professor/ Research Associate, Wright State University, Dayton, Ohio
August 1991 - August 1993, Senior Research Mechanical Engineer, Mainstream Engineering Corporation, Rockledge, Florida
August 1993 - August 1999, Assistant Professor, University of South Florida, Department of Mechanical Engineering, Tampa, Florida
August 1999 - August 2007, Associate Professor (tenured), University of South Florida, Department of Mechanical Engineering, Tampa, Florida
August 2007 - August 2014, Professor and Director of Graduate Programs, University of South Florida, Department of Mechanical Engineering, Tampa, Florida
August 2014 - August 2019, Bloomfield Endowed Chair Professor and Mechanical Engineering Department Chair, Wichita State University, College of Engineering, Wichita, Kansas
August 2019 - December 2023, Bloomfield Endowed Chair Professor and Dean’s Fellow-New Strategic Initiatives, Wichita State University, College of Engineering, Wichita, Kansas
January 2024 - present, Dean, Graduate School of Engineering and Management, Air Force Institute of Technology, Wright-Patterson Air Force Base, Ohio