This study was conducted for the purpose of identifying factors influencing job satisfaction in organizations with specific reference to National Social Security Fund Lake Zone. The study employed census technique whereby all 91 employees of National Social Security Fund Lake Zone were involved in this study. Structured questionnaire and interview were the major data collection techniques that were used by this study. A big number of employees were supplied with questionnaires and only five employees were interviewed. Documents were reviewed. SPSS was used to analyze data. The findings show that harmony and cooperation among coworkers, sufficient working facilities, doing challenging job, feeling of accomplishment on the job and competency of mangers/supervisors in decision making were influencing job satisfaction. The study also found that the least satisfying factors were fair reward for the amount of work done, compensation based on qualification, fair promotion procedures and recognition for doing good job. The study recommends that NSSF should provide compensation based on qualification considering what other organizations are offering.