1975  junior  technologist in parasitology department (NHL) Ministry of Health.

1977 Snior technologist in parasitology department (NHL) Ministry of Health.

1978 Chief technologist in parasitology department (NHL) Ministry of Health.

1982 part time  instructor in Medical Laboratory Sciences institute (Uof.K.).

1988 Participated in a course of epidemiology and control of schistosomiasis in Denmark  and awarded Diploma from Danish Bilharzias  Laboratory (DBL).

1990 part time  instructor and coordinator in Omdurman Ahlia University

1994 lecturer and Head department  of parasitology and medical entomology Faculty of Medical Laboratory Sciences (FMLS) ,University of Khartoum(U.of K.).

1997 part time lecturer in University of El-Azhari