- Rotating internship in the Teaching Hospitals of the College of Medicine, Baghdad, Iraq, July 1970-June1971.
- Resident Khartoum Teaching Hospital, Khartoum, Sudan, July1971- July 1972.
- General Medical Officer, El Fashir Civil Hospital, El Fashir, Sudan, July 1972-July 1973.
- Assistant Medical Director, Khartoum Teaching Hospital, Khartoum, Sudan, August 1973- March 1994.
- Senior Resident, Neurosurgical Section, Shaap Teaching Hospital Khartoum, Sudan, March 1974 – August 1975.
- Resident and Teaching Assistant, Department of Neurosurgery, University Hospital, Lund, Sweden, September 1975- February I980.
- Research Fol1ow, Laboratory of Experimental Brain Research, University Hospital, Lund, Sweden, November l977- February 1980.
- Consultant Neurosurgeon, Department of Surgery, Faculty of Medicine, University of Khartoum, Khartoum Teaching Hospita1, and Shaab Teaching Hospital, Khartoum, Sudan, Apri1 1980-August 1990.
- Lecturer in Biochemistry, Faculty of Medicine, University of Khartoum, Sudan, December 1980 – July 1985.
- Head Department of Biochemistry, University of Khartoum, June1984- July 1985.
- Associate Professor in Biochemistry and Surgery, July 1985-May 1990.
- Professor and Dean (founder) of the Faculty of Medicine and Health Sciences, Wadi-Al Neel University, Al Damar, Sudan, June 1990-March 1994.
- Professor and Vice-Chancellor (founder) of Shandi University, Shandi, Sudan, March 1994 –June2002
- Secretary General ,Ministry of Higher Education and Scientific Research, June 2002-2004.
- Professor of Neurosurgery, Biochemistry and Consultant Neurosurgeon, Faculty of Medicine, University of Khartoum, Sudan, December 2004 till now.