The main objective of this dissertation was to analyze the personorganization fit (P-O fit) and its influence on employee engagement in an organization, through a case study in a multinational company in the industrial segment – company A - that is under transformation and growth in Brazil. The research was based on the concepts of P-O fit by Chatman (1989), Personal Values by Schwartz (1994), Organizational Values by Oliveira and Tamayo (2004), and also of engagement at work by Kahn (1990). As this issue is closely linked to organizational culture, Schein (2009) was also taken into consideration. The methodology adopted for the research was mixed, combining various methods of data collection and analysis. Quantitative analysiswas made by a questionnaire, applied to 132 employees, comprising the validated questionnaire in Brazil by Almeida and Sobral (2009) of Portrait Values Questionnaire PVQ- 21(SCHWARTZ, 2001), by the Inventory of Organizational Values Profile (IPVO), by Oliveira and Tamayo ( 2009) and also the Working Engagement Scale (EEGT), by Siqueira (2014). Finally, qualitative research was conducted by analysis of internal documents, semi-structured interviews with 15 employees, as well as the participatory observation in two training sessions of the program We are A. The results indicated that there is no presence of the person-organization fit, possible consequence of the cultural changes experienced in the company. The statistical studies have shown wich values might have a meaningful relationship and impact on employee engagement, concluding the relevant contribution of this research.