• Associate Professor : University of Khartoum 2008, to present.
• Assistant Professor : University of Khartoum (1991-2008 ).
• Assistant Professor : Al-Ahasa Teacher’s College ( currently King Faisal University) – Kingdom of Saudi Arabia ( 1996 -2006 )
• Teaching –Assistant : University of Khartoum(1985-1991).

·       Research –Assistant : Ministry of Health – Chemical Laboratories –Sudan ( 1984-1985 ).