1984-1985: Auxiliary Teacher, Figeac High School, France.
1985-1986: Private Tutor, National Institute of Applied Sciences, Toulouse, France.
1986-1988: Associate Assistant, National Institute of Applied Sciences, Toulouse, France.
1988-1992: Private Tutor, Toulouse High Schools, Toulouse, France.
1992-1993: Assistant Professor, Faculty of Science, Meknes, Morocco.
1993-1997: Associate Professor, Faculty of Science, Meknes, Morocco.
1997-September 2011: Professor, Faculty of Science, Meknes, Morocco.
September 2011-Now: Professor at Taibah University, Faculty of Science, Department of Mathematics, Al Madinah Al
Munawwarah, Kingdom of Saudi Arabia.