In a previous approach of Lager et al. [1], the development of knowledge, competence and role profiles of employee groups in the course of industry 4.0 was studied. Based on that, the role of the overlapping focus IT is to be examined more closely and the analysis is extended to the tactical level using the example of production planning. In addition, the effects of the need for increased IT competence in all areas of the manufacturing industry on the erosion of current role profile boundaries are presented.