This article proposes a critical look on the discourses of Competency-based wok management. From the viewpoint of Critical Social Psychology, it is supported as hypothesis that the development of the Competency-based model respond to a deep transformation in the sense of work and its forms of management and control. This transformation entails new modes of subjectivation and control of workers subjectivity. The article is organized around the following questions: What transformations allow the emergence of the Competency-based model? What are its specific characteristics? What are its subjective effects? What mechanisms of control does it use?