2020 - Continuing: HAG Professor in the Department of Mechanical Engineering, IIT Kanpur.
2020-2023: HAL Chair Professor in the Department of Mechanical Engineering, IIT Kanpur.
2012 – 2020: Professor in the Department of Mechanical Engineering, IIT Kanpur.
2008-2011: Associate Professor in the Department of Mechanical Engineering, IIT-Kanpur.
2000-2007: Assistant Professor in the Department of Mechanical Engineering, IIT-Kanpur.
2002-2020: Joint Faculty, Design Department, IIT-Kanpur.
2015-2020: Joint Faculty, Cognitive Science Department, IIT-Kanpur.
1997-2000: Research Associate in the Rolls Royce UTC, Department of Mechanical Engineering, University of Sheffield, project funded by DERA (Defense Evaluation and Research Agency), UK on Dynamic Analysis & Performance Estimation of Energy Absorbing Composite Joints.
1994-1997: Project Associate in AR & DB (Aeronautical Research and Development Board) sponsored project for the study of Vibration Suppression Feasibilities in Laminated Composite Plates, in the Aerospace Engineering Department, Indian Institute of Science, Bangalore.
1991-1992: Assistant Engineer, EMC SteelAl Limited, Calcutta, India; in the Structural Analysis and Design of Transmission Tower (EHV) Lines.
1988-1989: Engineer Trainee, Simplex Concrete Piles (I) Ltd, Calcutta, India, in the Design and Construction of Turbo Generator Deck for two 500 MW thermal power stations at Chandrapur Super Thermal Power Station, Maharashtra, India.