After completing her doctorate, Bangert joined the faculty at the University of Cologne. She moved to the University of Surrey as a research fellow in the Department of Electrical Engineering. She was eventually made an Advanced Science and Engineering Research Council (SERC) Fellow and lecturer at the University of Surrey. In 1993 she joined University of Manchester Institute of Science and Technology as a lecturer in pure and applied physics. She was eventually appointed to the faculty at the University of Manchester, where she explored novel electron microscopies with ultrahigh spatial resolution. Bangert was responsible for the electron-optical facilities at Manchester, Liverpool and Daresbury Laboratory.