In the recent era of the fourth industrial revolution, many industries aim to maximize the efficiency of products and services by introducing cutting-edge technologies such as artificial intelligence and big data. In this situation, organizational culture is changing a lot due to the influx of the MZ generation with strong individualistic tendencies and the decreased face-to-face communication between members. However, active communication with colleagues is still essential to maximize performance, and the margins created by simplifying work processes and automating processes must be used for creating work performance. This requires cooperation and commitment through the job immersion of members who have an active attitude. This study analyzed how the organization's autonomous work environment and trust among members, which are creative work performance conditions, affect job immersion using raw data from the Occupational Safety and Health Research Institute. As a result, it was found that both the organization's autonomous working environment and trust among members significantly effected the members' job immersion. in order to achieve productivity and value improvement in companies, efforts are needed to increase workers' job immersion by building an autonomous working environment and trust among members. The results of this study are expected to contribute significantly to the search for ways to increase workers’ job commitment to improve organizational productivity.

The principal objective of this study was to determine how the internal marketing of the contract foodservice management company affects job satisfaction and organization immersion, as well as the influence of the satisfaction of internal customers (employees) has on job satisfaction and organization immersion, and the function as a preceding variable that improves service quality. T-test, ANOVA, and linear regression analysis was conducted to analyze the hypotheses of the study. The summary of study as per the result of this corroborative study is presented as follows: It was verified that internal marketing affects organizational immersion and the job satisfaction of employees, and job satisfaction plays a crucial role in organizational immersion. Moreover, it was also confirmed that the higher the internal marketing is, the higher the job satisfaction and organization immersion will be, thereby improving the service quality provided by employees. If enterprise regards employees as internal customers and constantly and efficiently conducts internal marketing activities such as internal communication, training, welfare, compensation, delegation of power, supporting the management, etc, the organizational immersion and job satisfaction of employees will be heightened, thereby enhancing loyalty and pride in the organization to provide services with better quality.