This research aims to analyze the effect of information technology, employee professionalism, and supervision to the employee performance. This research was conducted in Staffing Agency Lumajang on january to March 2021. The sample of this research was all Civil Servants who work for Staffing Agency Lumajang as many as 46 people. In this research, the primary data was collected by using questionnaires. The data analysis method used was multiple regressions. The results showed that information technology, employee professionalism, and supervision affected the employee performance in Staffing Agency Lumajang both simultaneously and partially

Keywords : Information Technology, Professionalism of Employees, Supervision, Employees’ Performance.