Demonstrator, Department of Mathematics - Faculty of Education - University of Tanta (Kafr El-Sheikh Branch) in the period from 11/4/1989 to 1/11/1993
Lecturer, Department of Mathematics, Faculty of Education, Tanta University (Kafr El-Sheikh Branch) In the period from 2/11/1993 to 26/10/1999
Assistant Professor, Department of Mathematics, Faculty of Education, Tanta University (Kafr El-Sheikh Branch) In the period from 27/10/1999 to 1/9/2007
Assistant Professor, Department of Mathematics, Faculty of Science, Kafr El-Sheikh University In the period from 1/9/2007 till now
Head of Department of Mathematics - Teachers College in Hail In the period from 1/9/2002 need 2007
Assistant Professor, Department of Mathematics, Faculty of Science, University of Tabuk In the period 25/8/2013 till now