This research aims to determine the effect of accounting information systems and internal control systems on employee performance at the Medan Marelan Subdistrict Office. This type of research is quantitative research. The population used was all employees at the Medan Marelan Subdistrict Office. The sampling technique in this research used a purposive sampling method, with a sample of 36 people. The data source used is primary data obtained through distributing questionnaires to respondents. Data analysis in this research uses descriptive, data quality analysis tests, classical assumption tests, and hypothesis tests with the help of the SPSS version 23.0 program. The research results show that (1) the accounting information system has a positive and significant effect on employee performance at the Medan Marelan Subdistrict Office; (2) the internal control system has a positive and significant effect on employee performance at the Medan Marelan Subdistrict Office Employee Performance, Accounting Information Systems; Internal Control System.
Keywords: Employee Performance, Accounting Information Systems; Internal Control System