| Started as an Assistant Geologist at the Geological research authority of Sudan – Ministry of Energy and Mining. | 1973 |
| Appointed as Teaching Assistant at the Dept of Geology, Faculty of Science – University of Khartoum. | 1974 |
| M.Sc. Research Student at the Dept. of Geology – University of Khartoum. | 1974-1978 |
| On a study course for the preparation of the PhD at the University of Bordeaux- 1 , France. | 1979-1983 |
| Appointed as Assistant. Professor at the Dept of Geology – University of Khartoum. | 1983-1997 |
| Promoted to Associate Professor at Dept of Geology – University of Khartoum. |