Job satisfaction is the topic of wide interest to both people who work in organization and people who study them and it is the most frequently studied variable in organization behavior research. Job satisfaction can be considered as a global feeling about the job or as a related constellation of attitudes about various aspects or facets of job (salary, promotion, supervision, benefit, co-workers, communication). The assessment of job satisfaction is a common activity in many organisations where management feels that: employees Well-being is important. For example, as some Studies have found, job satisfaction plays a critical role in an employees' decision to be absent and many models of turnover place job satisfaction in the centre of a complex process that involves factors both inside and outside the organization. Improving job satisfaction not only, raises the company's profits, but also facilitates the company's development. In this paper we investigate the impact of age, gender, job tenure, education and position on job satisfaction in organisations belonging to the state owned sector in Serbia at the beginning of the radical organisational transformation.