Human resources are a very central factor in the organization. Whatever the form and purpose, the organization is made based on various visions for the benefit of humans. The importance of human resources in an organization requires every organization to get qualified and productive employees to run the organization. This study aims to determine whether job analysis and career development patterns affect employee performance through job satisfaction as an intervening variable in Disdukcapil, Labuhanbatu Regency. The research was conducted on 36 employees using a saturated sampling technique. The data collection technique used was primary data in the form of questionnaires and secondary data obtained through documentation studies. The data analysis technique used quantitative data which was processed using the SPSS version 25 program, namely the t test, Sobel test and path analysis. The results obtained in this study show 1) there is a significant influence between job analysis variables on job satisfaction, 2) there is a significant influence between career development pattern variables on job satisfaction, 3) there is a significant influence between job analysis variables on performance, 4) there is a significant effect between career development pattern variables on performance, 5) there is a significant influence between job satisfaction variables on performance, 6) job satisfaction variables cannot influence job analysis variables on performance, 7) job satisfaction variables cannot influence career development pattern variables on performance.