Employee job involvement is critical in an organization, especially when it comes to increasing organizational effectiveness and improving organizational performance. Similarly, employee engagement involves a sense of emotional involvement from within the employee, which ultimately increases the organizations effectiveness. The objective of the research is to obtain information about the influence of job involvement and employee engagement on organizational effectiveness. In this study, the researcher attempt to study how this job involvement influences organizational effectiveness, how employee engagement influences organizational effectiveness, and how this job Involvement has indirect influence is mediated by employee engagement. The research was conducted on all employees of the Human Resource Development Agency of Indonesias Tourism Ministry of Indonesia by using a survey method with path analysis applied in testing the hypothesis. The number 86 employees as the sample was selected by using the Slovin formula. From the results structural equation modeling the researcher finds a significant influence of job involvement on organizational effectiveness, and significant influence of employee engagement on organizational effectiveness, and also the indirect influence of job Involvement on organizational effectiveness mediated by employee engagement of the employee of Human Resource Development Agency of Indonesias Tourism Ministry of Indonesia.