EN
This article presents issues concerning the building of employee engagement in the enterprise. The theoretical section is an overview of definitions of the concept of employee engagement. Moreover, it looks at basic factors determining the functioning of the enterprise through employee engagement. This content was harvested from domestic and foreign literature. The practical section of this paper presents the building of employee engagement in a real world enterprise, thus verifying theory in practice. ArcelorMittal Poland S.A. is the case chosen for study. The company operates on the Polish steel and metallurgical products market. Building employee engagement is undertaken by various means. This article presents actions that may serve as determinants in building employee engagement, applying the T. A. Kochan and L. Dyer typology. The referring of theoretical solutions to practice and the comparison of applied solutions to the theoretical determinants of building employee engagement allows conclusions in the area of the agreement of theory and practice. Moreover, this article presents the results of periodic measurements of company employee engagement level. However, it should be stressed that their detailed analysis was not the topic of this publication and may serve as a basis for further analyses.