PT. Pertamina is the company with the largest revenue in Indonesia in 2021 and is one of the companies included in the Fortune 500 list and has 5,400 gas stations throughout Indonesia. Therefore, this study needs to be studied to determine the effect of job satisfaction on the performance of PT Pertamina EP Surabaya employees. This study uses a quantitative approach by distributing questionnaires to 30 PT Pertamina EP Surabaya employees. The research data were analyzed by multiple linear regression and path analysis. The results showed that job satisfaction did not have a direct effect on employee performance but had an indirect effect on employee performance through organizational commitment. This is indicated by the total value of t statistic 6.8517 1.96. In this study, it can be concluded that individuals with high job satisfaction will affect organizational commitment. In contrast, individuals with a high organizational commitment level will affect employee performance. It can be seen that there is an indirect relationship between job satisfaction and employee performance through organizational commitment.