After completing her PhD, Simms lectured for five years at
Canberra College of Advanced Education (now the University of Canberra), and then from 1987 was based at Australian National University. Simms left Otago to join Deakin University as Head of the School of History, Heritage and Society. Following this, she was at the Institute for Governance and Policy Analysis at the University of Canberra, where she worked on the "50:50 by 2030 initiative", a programme to achieve gender equity in public service and government leadership across Australia. Simms chaired the
International Political Science Association's Research Committee on Gender, Globalization and Democratization for three years, from 2003. Simms authored or co-authored six books, and edited or co-edited another ten. Simms died suddenly on 28 April 2021. == Honours and awards ==