The purpose of research to know and analyze the Effect of Additional Employee Income (TPP) and Professionalism on performance through Job Satisfaction of Civil Servants in the Soppeng District Environmental Office directly or indirectly with intervening variables is Job Satisfaction. The approach in this study is quantitative. The research was conducted at the Soppeng District Environment Office. And the entire population is sampled with a total of 103 employees. Statistical testing using Path Analysis. The results of this study are as follows: 1) Additional Employee Income (TPP) and Professionalism have a direct effect on Job Satisfaction and also on Performance 2) And have an indirect impact on Additional Employee Income (TPP) and Professionalism on Performance through Job Satisfaction, in this case, the more Effective Additional Employee Income (TPP), as well as the presence of exemplary Professionalism, will further increase the Job Satisfaction of Civil Servants at the Environmental Service of Soppeng Regency which will have an impact on improving Employee Performance.