SiSensi is an attendance system application that is used as a tool to record employee attendance at PERUMDA Tirta Mayang Jambi. This application makes use of the smartphone camera feature for attendance. This is intended to minimize the presence of absenteeism by employees so as to improve the accuracy of employee attendance.Each employee can log into the application using the account of each employee. This application can check the location of employees via GPS on each employees smartphone, so that employees can only do attendance in areas that are allowed to do attendance, namely in the office environment of each employee that has been assigned.It is hoped that this application can provide convenience in carrying out attendance for employees at PERUMDA Tirta Mayang Jambi.