(in descending chronological order)

1. Dean of The Faculty of Public and Environmental Health, University of Khartoum 1 September 2019- – Present.
2. Associate Professor at the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan. November 2020- Present
3. Assistant Professor at the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan. .
4. Assistant Professor at the Department of Environmental Health Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates,responsible for teaching the courses of ; Environmental Toxicology, Risk and Environmental Impact Assessment, Food safety, EnvironmentalMicrobiology, Environmental Pollution and Pesticides andVector Control,from August 2013 -31August 2019
5. Head of the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan, April 2007 –August 2013.
6. Assistant Professor at the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan. Responsible for teaching food toxicology and food safety courses ( theory and practice) for fourth and fifth year students, microbiology courses (theory and practice) for the second year students and supervision ofunder graduate and postgraduate research projects in the fields of food safety, nutrition and food microbiology since 2005 and until August 2013.
7. Lecturer at the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan, responsible for teaching food hygiene and safety courses (theory and practice) for fourth and fifth year students and supervising final year graduation research projects at the Department. May 2001 to September 2005.
8. Teaching assistant at the Department of Food Hygiene and Safety, Faculty of Public and Environmental Health, University of Khartoum, Sudan, responsible for teaching microbiology, food microbiology, food chemistry and food safety practical sessions for second, third and fourth year’s student. April 1996 to May 2001.
9. Teaching food science courses related to nutrition, quality, composition and safety for Master degree students at University of Khartoum October 2005 August 2013.
10. Teaching food safety courses (theory and practice) for Master degree-qualifying year students at the Department of Food Hygiene and Safety, Faculty ofPublic and Environmental Health, University of Khartoum May 2003- August 2013.