Vice Dean for Educational Affairs, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt.(January 2012 until March 2014), (March 2020 until Now)

Professor of Communication and signal processing at the Department of Electronics and Communications Engineering, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport. (June 2011 until now).

Assoicate Professor at the Department of Electronics and Communications Engineering, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (June 2007 to May 2011).

Assistant Professor at the Depatment of Electronics and Communications Engineering, College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport (September 2003 to May 2007).

Assistant Professor at the Department of Electrical Engineering, Assiut University. (September 2002 to August 2003).

Teaching assistant and research assistant during my Ph.D. study at Louisiana State University from January 2000 to May 2002. (on leave from Assuit University)

Assistant Lecturer, Department of Electrical Engineering, Faculty of Engineering, Assiut University, (from May 1998 to September 2002).

Instructor (teaching and research assistant ), Department of Electrical Engineering, Faculty of Engineering, Assiut University, (from January 1996 to May 1998).