This article analyses theoretical insights and empirical results of the University faculty professional integration. The first part delves into the change of the University faculty attitudes and behaviour, the second part highlights the factors of the teachers’ professional integration on the aspects of the interiorization of organizational culture, professional identity construction perspective. The access of different professional integration analysis allows you to analyse and then to design the beginning of a university lecturer‘s career, revealing the fact that the training for career, becoming a professional is not limited only to the knowledge and competencies of any discipline or science. A successful professional integration needs also other things that are important. It is the understanding of academic activities, the knowledge of the various roles and the performance of University faculty, University norms, interiorisation of values, the construction and reconstruction of professional identity.