1971 Part – time Demonstrator, Department of Veterinary Anatomy Faculty of Veterinary Science, University of Khartoum Veterinary Meat Inspector and Veterinary Quarantine Officer, Department of Animal Health (Ministry of Animal Resources).
1973-1975 Assistant Research officer: Department of Virology, Veterinary Research Administration, Ministry of Agriculture, Food and Natural Resources, Khartoum, Sudan Deputy National Co-ordinator Sudan Livestock Census and Disease Survey.
1976 (D.T.V.M.) Diploma in Tropical Veterinary Medicine,(Royal Dick Vet.) Faculty of Veterinary Medicine, University of Edinburgh, United Kingdom.
1977 M.Sc.: (Royal Dick Vet.) Faculty of Veterinary Medicine, University of Edinburgh, United Kingdom.
1977-Present.Member of the General Council of The University of Edinburgh ,United Kingdom.
1977-1979 Research Officer, Department of Virology, Veterinary Research Administration, Khartoum, Sudan.
1979-1983 Department of Veterinary Preventive Medicine, the Ohio State University, Columbus, Ohio, U.S.A.
1983 Ph.D.: The Ohio State University Columbus, Ohio, U.S.A.
1981-1990 Senior Researcher in Virology, (Veterinary Research Administration ,Khartoum-Sudan).
1989-1990 Head Department of Foot and Mouth Disease ,Veterinary Research Administration, Khartoum, Sudan.
1990 Lecture Department of Medicine, Pharmacology and Toxicology, Faculty of Veterinary Science, University of Khartoum, Sudan.
1990-1999 Associate Professor, Department of Medicine, Pharmacology and Toxicology, Faculty of Veterinary Science, University of Khartoum, Sudan.
1999-present Professor,Department of Medicine, Pharmacology and Toxicology.
1992-1994 Head Department of Medicine, Pharmacology and Toxicology, Faculty of Veterinary Science, University of Khartoum, Sudan.
1995-1998 Director, Scientific Research Directorate University of Khartoum. Deputy Vice Chancellors Office (Vice Dean Faculty Post & Status).
1998-2001 Director, Alumni Affairs Directorate, Vice Chancellors Office. University of Khartoum. (Vice Dean Faculty Post & Status).
2001-2002 Director,Directorate for Scientific Cooperation and Cultural Realations (Vice Dean Faculty Post& Status).
1999-2003 Executive Manager of the University Development Programs and Projects, Vice-Chancellors Office.
2003- present Director, Molecular Biology laboratory (MBL), Department of Medicine, Pharmacology and Toxicology. Faculty of Veterinary Medicine, University of Khartoum.
2006 – Convenor ,co-ordinator and Supervisor of Khartoum University (www.UofK .edu ) web site on the Internet.( Dean Faculty Pay )
2006-2009 Director Staff Development Center.(Dean Faculty Pay.)
2010 – Chairman of the Committee of Khartoum University Staff Home and the International Hall Project
2010 – Convenor of the Committee preparing the proposal for funding of University of Khartoum Medical City and The Sudan Library
2010 – Member of The Academic Reform Committee of The Faculty of Veterinary Medicine.
2010 – Present .Advisor Africa City Of Technology .
2010 – Member of the Equstrain School Committee
2006 -Present – Chairman of Science Popularization Committee of Sudan National Academy of Sciences.