The article continues the series of works on the problem of career (professional life). We study the phenomenon of “professional life”, its historical evolution, difficulties of its full and adequate scientific explication, and the techniques of its study. We consider a number of aspects of the problem within the boundaries of the means and capabilities of the synergistic approach. The subject of our research is career (professional life, in particular) as a social, socio-psychological and psychological (subjective, personal) phenomenon.