2003-: Associate Professor of Soil Science and Forestry, Department of Silviculture, Faculty of Forestry, University of Khartoum

2000-2003: Coordinator of Desert Combating Unit at the Institute of Desertification and Desert Cultivation Studies, University of Khartoum

1993-2003: Assistant Professor of Soil Science and Forestry, Department of Silviculture, Faculty of Forestry, University of Khartoum

1986-1992: Post-Graduate Student, University of Nancy1 and INRA (Institut National de Recherches Agronomiques), France

1984-1993: Teaching-Assistant, Department of Forestry, Faculty of Agriculture, University of Khartoum

1981-1984: Research-Assistant, Forestry Section, Gezira Research station, Agricultural Research Corporation, Wadi-Madeni, Sudan

1981: Deputy Conservator of Forests, Forestry Administration, Khartoum