The purpose of this research is to determine the influence of employee job stress towards cyberloafing at Four Seasons Hotel Jakarta. Primary data was collected through survey using questionnaire with five point Likert scale and close- ended question. Sample of this research was 36 employees at Four Seasons Hotel Jakarta in back of the house departments. Data was analyzed with descriptive statistics, correlation, regression analysis, and three hypothesis testing using SPSS. The result indicate that job stress has significantly influenced on cyberloafing with value of 11%. Job stress and cyberloafing have low correlation but positive and significant. Further, job ambiguity show significant influence with
cyberloafing, while job conflict show the contrary of insignificant. It show that employee tend to do cyberloafing when they feel uncertainty or ambiguity related to their job compared to the conflict that they encountered. From this finding, hospitality company are expected to always assure that their employee perceived certainty related to their job task and job description to prevent any upcoming job stress.