| (1975-79): | Head, Biological Products Department, Veterinary Research Laboratory, Khartoum. |
| (1979-81): | Director of Benghazi Veterinary Research Laboratory. |
| (1981-83): | Head, Biological Products Department, Veterinary Research Laboratory, Khartoum. |
| (June, 1983): | Associate Professor of Microbiology, Department of Microbiology and Parasitology, Faculty of Veterinary Science University of Khartoum. |
| (Dec.,1985): | Head, Department of Microbiology and Parasitology, Faculty of Veterinary Science University of Khartoum. |
| (Nov.,1986): | Head Department of Microbiology, University of Khartoum. |
| (March,1987): | Head Department of Microbiology, University of Khartoum. |
| (Oct.,1987-91): | Joined College of Veterinary Medicine and Animal Resources, King Faisal University, as an Associate Professor of Microbiology and head of Microbiology Department. |
| (1992): | Returned to Sudan. Department of Microbiology, Faculty of Veterinary Science, University of Khartoum. |
| (1993-1994): | Under-Secretary for the Faculty of Veterinary Science, University of Khartoum, October, 1993 to July 1994 and Acting Dean, July,1994 to November, 1994, |
| (1992): | Head of Sheep Diseases Project funded by Animal Resources Bank and Ministry of Animal Resources. |
| (1999-2003): | Director, Institute for Promotion of Animal Export Studies. |
| (2003): | Dean, Faculty of Veterinary Medicine.
Joined the Ministry of Agriculture, Food and Natural Resources in March 1968 after graduation from the University of Khartoum with ‘Licos’ prize and merit in Animal Husbandry. Orientation period of six months in different sections of the Ministry. Joined the Veterinary Research Laboratory in 1968, then joined the Biological Products Section. |
| (2020): | Member of the American Society of Microbiology ASM . |
