She was a high school teacher from 1990 to 1995 and thereafter became Member of Parliament until joining the PSC as Commissioner in Limpopo. She has served on several Portfolio Committees, namely Public Service and Administration, Education, Reconstruction and Development and Minerals and Energy Affairs. From 1996 to 1998, she underwent training in several areas: Internship in Legislative Administration through the Columbus International Programme; Advanced Executive Programme for Senior Managers; and participated in study tours including amongst others, the Commonwealth Advance Seminar on Leading Reform in the Public Service. She delivered several papers on professional ethics and service delivery improvement at national conferences.
Ms Mokgalong has been a member of and actively involved in different organisations such as FAWESA, South African Institute of International Affairs, COLTS in Northern Province, Northern Transvaal Teachers Union, South African Democratic Teachers Union, interim committee of the Women’s Coalition and Black Management Forum.
In July 2004, she was appointed Commissioner resident in Head Office.