Academic Secretary, Pathology Dept., Faculty of Medicine, U. of Khartoum. February 1991 – March 1992.
Director General, Sudanese National Blood Transfusion Services, July 1996 to January 1999. Co-ordinator of the EMRO/ WHO project No. SUD/THC/030. July 1996 – February 1999.
Acting Director, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan, January 1998 – August 1999.
Head Department, Clinical Pathology & Immunology, Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan, July 1996 – October 2010.
Director, Institute of Endemic Diseases, University of Khartoum, February 2006-Jan 2011.
Director, Central Laboratory, Ministry of Science & Technology, Republic of Sudan, Khartoum, Sudan 31.3.2011- to date.
