The aim of this research is to explaner the factors of job satisfaction with teaching staff at Salahaddine University to achieve that, for this purpose we use questionnaire method to measure teaching staff satisfaction. The research attempts to find effective Factors of job satisfaction with teaching staff at Salahaddine University, We relied on the following factors: - Nature and work environment – Scientific research- Salary & remuneration – Relationship with colleagues – Relationship with linemanager - Incentive & Promotions System – Employment – Work Travel & Participation in scientific conference.Descriptive & analysis statistics used in the research`s sample dataand Inductive statistics to test the hypotheses of the research, the research conclude that in opinion of teaching staff there are factors influencing job satisfaction, the research achieved following conclusions: The factor of relationship with colleague’s ranked first in the survey statistical analysis, while type & work environment ranked second in Factors of job satisfaction, - Incentive & Promotions System factor ranked sixth & scientific research was last. The research suggest the following; including the importance of provide suitable environment & necessary requirements to inspire scientific research, taking into account salary and promotion process for teaching staff, the research recommend the importance of apply & take subjective measure to improve job satisfaction factors of teaching staff at Salahaddine University.