Abstract The capitalist crisis of the 1970s introduced a series of transformations that modified the forms of work organization. Boltanski and Chiapello (2009) understood these changes as promoters of the new spirit of capitalism. In line with these changes, the concept of boundaryless careers emerged, starting in the 1990s, with the idea of interorganizational mobility associated with professional success. Broadly adopted, the concept of boundaryless careers proposes, as a general orientation, the need for the worker to develop a series of skills, in order to adapt to the new productive paradigm. We aim to reflect on the construct of boundaryless careers, in the light of Boltanski and Chiapello's (2009) characterization of the current capitalism. We argue that the concept of boundaryless careers serves as an instrument for the workforce mobilization, helping to re-signify, in the form of autonomy and freedom of choice, the precariousness of the working relationships established under the new paradigm. Despite its controversial aspects, this concept has become a reference in the current debate about the insertion in the world of work, justifying the importance of this discussion.