| 1970-1972: | Assistant Research Officer, Veterinary Research Laboratory, Ministry of Agriculture, Food and National Resources, Khartoum. |
| 1972-1975: | Teaching Assistant and Research Student, Faculty of Veterinary Science, University of Khartoum. |
| 1975-1979: | Research Student, Royal (Dick) School of Veterinary Studies, University of Edinburgh. |
| 1979-1984: | Lecturer (Assistant Professor) Faculty of Veterinary Science, University of Khartoum. |
| 1981-1984: | Secretary, Editorial Board of the Sudan Journal of Veterinary Science and Animal Husbandry. |
| 1984 : | Promoted to Associate Professor, Faculty of Veterinary Science, University of Khartoum. |
| 1984-1985: | Sabbatical leave for 15 months as a research fellow at the Parasite Immunology Laboratory, University of Puerto-Rico (scholarship from Fogarty Center, National Institutes of Health, USA). |
| 1985: | Joined the College of Agriculture and Veterinary Medicine, King Saud University as an Associate Professor. |
| 1986-1993: | Head, Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine. The department was established to qualify the students for the bachelor degree in veterinary medicine. |
| 1995 | Promoted to Professor, College of Agriculture and Veterinary Medicine, King Saud University. |
| 2008 | Professor, Department of Pathology, Faculty of Vet. Medicine, University of Khartoum |
2010 Deputy Vice Chancellor , Almughtaribeen University, 2010.
2010-2014 Secretary for Academic Affairs of Almughtaribeen University.
2011- 2014 President, General Union of the Sudanese Veterinarians .
2011-2014 Member , Sudan Veterinary Council .
2015 Head, The trustees council of the Sudan – Guinea Friendship
Society, member of the Council for International People’s Friendship.