–         Director of Beekeeping Unit 1985-1990, Sudan.

–         Lecturer, Dept. of Crop Protection, Fac., of Agric., Univ. of Khartoum, 1991-1998, Sudan.

–         Senior Research Staff, Dept. of Plant Protection, Fac. of Agric., King Saud University, Saudi Arabia, 1998-2002.

–         Lecturer, Univ. of Khartoum 2002-2007.

–         Assistant Professor, Dept. of Crop Protection, Faculty of Agric., Univ. of Khartoum, Sudan, 2007-Till now.

–         Head, Dept. of Crop protection, Fac. of Agric., Univ. of Khartoum, 2009-2012.

–          Deputy-Dean, for Academic Affairs, Faculty of Agriculture, Univ. of Khartoum, 2013 till now