Job satisfaction, defined as an employee s attitude to work, is an issue that has been of interest to many researchers since the 1930s. The factors affecting job satisfaction are both subjective and situational. In addition to working conditions, economic and social aspects of work and the nature of performed tasks, situational factors also include determinants in the area of interpersonal relationships. According to the author of this article, interpersonal relationships are one of the key areas of job satisfaction. The quality of relationships with superiors, staff, students, superiors’ management style and feedback are all factors of great importance especially in the case of job satisfaction among academics. In order to determine which of these factors within the area of interpersonal relationships crucially determine the job satisfaction of the academics of the National Defence University (NDU), a study was conducted by the method of a diagnostic survey using a questionnaire technique. Based on the obtained results, the key factors that determine the job satisfaction of this group of employees were indicated, and the overall level of job satisfaction among the academics of the National Defence University was determined.