• 2003-Present     

• 2002-2003         

• 1999-2002                    

• 1996-1999                  

Assistant Professor, Dept. of Aerospace Engin., KFUPM.

Lecturer, Dept. of Aerospace Engin., KFUPM.

Lecturer, Dept. of Mechanical Engin., KFUPM.

Graduate Assistant, Dept. of Mechanical Eng., KFUPM.