This study was to find out the effectiveness of professional development and job satisfaction among librarians in Akwa Ibom state tertiary institutions. The study adopted the descriptive survey design of correlation type. The study area was University of Uyo, Uyo. The population of the study comprised 598 professional / para professional librarians in Akwa Ibom State polytechnic, Akwa Ibom State University, College of Education, Afaha Nsit, University of Uyo while simple random sampling technique was used to select 379 from the population. The main instrument of the study was a questionnaire. Face and content validation of the instrument was carried out to ensure that the instrument has the accuracy, appropriateness, completeness and the language of the study under consideration. Cronbach Alpha technique was used to determine the level of reliability of the instrument. The reliability coefficient obtained was 0.80 and this was high enough to justify the use of the instrument. The researcher subjected the data generated for this study to appropriate statistical techniques such as PPMC. The test for significance was done at 0.05 alpha levels. The study concluded that that there is a proportional association between Liberian practices and attitude towards professional development and their job satisfaction among librarians in Akwa Ibom State tertiary institutions. Based on the findings in this study, it is recommended that the library management should endeavour to sponsor their librarians to both national and international conferences, workshops and seminars. The library management should also endeavour to acquire and install adequate infrastructures required for effective professional development.