All employees are expected to exit employment relationship upon attaining mandatory retirement age, however some employees opt to exit employment relationship earlier while others leave employment relationship long after retirement age, a scenario attributed to work factors. The purpose of this study was to investigate the effects of job characteristics on retirement intentions outcome among retired civil servants in Kenya. The study was grounded on continuity theory of retirement. It targeted 6447 retired civil servants drown from five counties in Kenya. A sample size of 397 computed using a scientific formula and drawn proportionately in relation to population in each of the five counties was used in the study. Self-constructed interview schedule and questionnaire were used to gather data after its reliability was established through test-retest method. The study covered the period January 2009 and December 2013. Logistic regression was used to test the hypothesis of the study. The findings revealed that job characteristics significantly influenced retirement intentions outcome. The study recommends that further study be done to include other work factors such as physical work environment, organizational justice e.t.c.