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