Professor: University of Khartoum, Faculty of Science, Chemistry Department, January 2014 to present
Humboldt Research Fellow at Duisburg-Essen University (Germany), October, September, 2013.
Associate Professor: University of Khartoum, Faculty of Science, Chemistry Department, January 2010 to December 2013
Visiting consultant:Sultan Qaboos University (SQU), College of Science, ChemistryDepartment, September 2010 to January 2011, and February 2012 to June 2102.
Assistant Professor: University of Khartoum, Faculty of Science, Chemistry Department, 2008 to December 2009.
Lecturer, Gezira University, Sudan 1998-2005
Chief Analytical Chemist: 1996-1998, Quality control of raw materials and finished products, using various analytical techniques, HPLC, GC, FTIR, UV, etc EL-Shifa Pharmaceuticals Industries Company, Khartoum, Sudan.
Research Assistant, National centre for research, Khartoum, Sudan, 1993-1996.
Part-time Teaching Assistant, University of Khartoum, Sudan (1992-1996)
