This research is part of an approach to organizational socialization. Conducted within an administrative structure of the Gabonese public sector, we conducted a study on the influence of organizational socialization on organizational behavior, in other words, organizational socialization as a predictor of job satisfaction. The men and women participated in this research, 136 respondents, managers and non-managers. The average age here is 37.12 years old. The results obtained present organizational socialization as well perceived by the agents in post and the trainees, the men and the women do not present any difference of perception at the level, organizational socialization, because it has important issues not only for each organizational structure but also for the worker. The interrelationship matrix shows significant links between organizational socialization and job satisfaction and between job satisfaction and proactivity.