The study examined the relationship between demographic factors, Big five-factor of personality and job satisfaction amongst the employees working hub branch of one of the Banks in Oman. The descriptive research design was adopted and data were collected from 67 employees through questionnaire method. The research results have shown that demographic factors including gender, age, education and job tenure affect job satisfaction by 45.1%. Gender has emerged as major demographic factor that affects job satisfaction. On the other hand, personality factors including Extroversion, Neuroticism, Openness, Agreeableness and Conscientiousness of employees affect job satisfaction by 82.4%. All the personality traits affect job satisfaction in a positive manner, except neuroticism that affects job satisfaction in a negative manner.

Keywords : Demographic Factors, Big Five-Factor of Personality, Job Satisfaction.