Technological development is getting faster and causing the growth of digital society. One of technology that commonly used is Internet. It makes many people become addicted. This impact occurs to PT. Mitratani Dua Tujuh, Jember. Some of their employees doing counterproductive work behaviour, such as accessing the internet for personal gain during working hours (cyberloafing) and like to put off their tasks that need to be done (procrastination behaviour). This research analyses the influence of cyberloafing and procrastination behaviour on employee engagement and examine the effect of self control as a moderating variable on employee performance. Questionnaire was used to collect the data of 84 administration staff (non-production worker). The Structural Equation Modelling (SEM) with Partial Least Square (PLS) approach was used to analyse the data. The result shows that cyberloafing and procrastination behaviour have significant negative effect on employee engagement. Furthermore, employee engagement has significant positive effect on employee performance. Otherwise, self control does not moderate the relationship between employee’s engagement and employee’s performance. But, self control have significant positive effect on employee performance. This research indicate that company should give attention to employee’s engagement to maintain the consistency of their performance.