1-      Physics & Mathematics Teacher at Sudan High Secondary Schools, 1976-77 .

2-      Teaching Assistant, Faculty of Education, Univ. of Khartoum, 1977-78 .

3-      M. Sc. Student, Faculty of Science (physics), Univ. of Khartoum, 1978-80 .

4-      Guest Scientist, Physics Dept. , Univ. of Uppsala, Sweden, 1980-81 .

5-      Ph. D. student, Physics Dept. , Univ. of Nottingham, U. K. , 1981-85 .

6-      Assistant Professor of Physics, Faculty of Education, Univ. of Khartoum, 1985-95 .

7-      Guest Scientist Physics Dept. Univ. of Linkoping, Sweden, 1992-93 .

8-      Associate Professor of Physics, Teachers Colleges of Education, Ministry of Higher Education, Sultanate of Oman, 1995-2003

9-      Associate Professor of Physics, Faculty of Education, Univ. of Khartoum , 2003-to date