Human Resources (HR) plays an important role in the future development of the organization. The success or failure of achieving organizational goals all depends on the ability of Human Resources (HR) or employees in the organization. These human resources are required to continue to be able to develop capabilities proactively within the company. This study aims to determine whether organizational climate and career development affect employee performance through job satisfaction as an intervening variable at the Regional Inspectorate of Labuhanbatu Regency. The study was conducted on 62 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 organizational climate on job satisfaction, 2) there is a significant influence between career development variables on job satisfaction, 3) there is a significant influence between organizational climate variables on performance, 4) there is a significant influence between career development variables on performance, 5) there is a significant influence between job satisfaction variables on performance, 6) job satisfaction variables cannot affect organizational climate variables on performance, 7) job satisfaction variables cannot influence career development variables on performance.