Postdoctoral Research Associate (5 years): Texas Tech University, Lubbock, U.S.A, Colorado State University, Fort Collins, U.S.A., University of Notre Dame, Notre Dame, U.S.A.
Visiting Scientist (10 months): T.I.F.R. Mumbai.
Lecturer (18 months): B.I.T.S. Pilani, Pilani.
Visiting Faculty (2 months): Swiss Federal Institute of Technology, Lausanne, Switzerland.
Research Scientist (3 years): Swiss Federal Institute of Technology, Lausanne, Switzerland.
Assistant Professor (7 years): B.I.T.S. Pilani, Pilani.
Associate Professor (5.5 years): B.I.T.S. Pilani, Pilani.
Professor (since, July 2018): B.I.T.S. Pilani, Pilani.
Head of the Department (2014-2016): Department of Physics, B.I.T.S. Pilani, Pilani
B.O.S. Member (2015-2017): India International University (IIU), Jaipur