The purpose of this study is to find out and analyze further about the influence of management, work environment and work discipline on employee performance (case study: UPK Dinas Pengairan Dinas Lingkungan Hidup DKI Jakarta Province). The research method used today is quantitative research through questionnaires. The basic population of this study is UPK staff of the DKI Jakarta Provincial Irrigation Office with a sample of 50 (fifty) respondents. The test was carried out with validity and reliability tests, coefficient of determination (R²) and hypothesis tests with the SmartPLS 3.29 program. The results of this study showed that: 1). Leadership has a positive and significant effect on employee performance; 2). The work environment does not affect employee performance; 3). Work discipline has a positive and significant effect on employee performance; 4). Leadership has a positive and significant effect on work discipline; 5). The work environment does not affect work discipline; 6). Work discipline does not provide guidance in employee performance; 7). Work discipline does not attach importance to the work environment in relation to employee performance. This research meets several identified needs to examine how the influence of leadership, work environment, work discipline and employee performance is still needed in order to improve and develop human resource management.

Keywords : Leadership, Work Environment, Work Discipline, Employee Performance.