Vig began her teaching career as a teaching assistant at Punjab Engineering College and later served as a lecturer there. She was an assistant professor at the Technical Teachers' Training Institute (now NITTTR) from 1997 to 2003. She joined the University Institute of Engineering and Technology (UIET), Panjab University, as reader in 2003 and became a professor in 2005.
She has guided 13 Ph.D. and 2 postdoctoral candidates and is currently supervising 3 Ph.D. students. Her research areas include fuzzy logic, signal processing, and AI applications in biomedical systems. She has authored over 120 Scopus-indexed publications, 40 SCI-indexed papers, and has an H-index of 19.
She has held several leadership roles at Panjab University, including:
- Vice Chancellor (Current, since Mar 2023)
- Dean of University Instruction (Feb 2022 – Mar 2023)
- Dean Research (Feb 2022)
- Director, UIET (2009 – 2018)
- Dean, Faculty of Engineering and Technology (multiple terms) [7]