·         Associated Professor, Department of Soil and Environmental Science, Faculty of agriculture, University of Khartoum. (currently)

·         Soil expert -Arab Authority for Agricultural Development and Investment  full time (April 2008 – March 2009)

·         Associated Professor, Department of Soil and Environmental Science, Faculty of agriculture, University of Khartoum. (Nov, 1991- April 2008).

·         Consultant (Soil expert) for Arab Authority for Agricultural Development and Investment (2000 -2008).

·         Head of the Department of Soil and Environmental Science, Faculty of agriculture, University of Khartoum. (1998-2001).

·         Post –Doctoral Scientist (Research), Department of Soil and Environmental Science, University of California, Riverside-UCR (1990 – 1991).

·         Teaching and Research assistant, Department of Soil and Environmental Science, Faculty of agriculture, University of Khartoum. (1981-1986).

·         Research Assistant, Administration of Soil Survey, Ministry of Agriculture, Sudan (1979 – 1980).