This research is motivated by problems related to how the company can maintain and maintain employee performance so that it can support the successful achievement of company goals. This problem is based on the fact that PT MITRA LESTARI SEJATI experienced a decrease in the number of employees from 2016-2019. Due to low employee performance, the company's goals are not maximally fulfilled. One of them is the job satisfaction factor that is not fulfilled by the company. This study aims to determine and analyze the effect of job satisfaction on employee performance at PT MITRA LESTARI SEJATI.
The research method used in this research is a quantitative method with descriptive-causality research. Sampling was carried out by using non-probability sampling technique which is used is saturated sample with the number of respondents 50 respondents employees of PT MITRA LESTARI SEJATI. The data analysis technique used is descriptive analysis and simple linear regression analysis.
The results of the research are based on descriptive analysis for the job satisfaction variable which is in the good enough category with a percentage value of 58.4%, the employee performance variable is already in the good enough category with a percentage value of 55.89%, and job satisfaction has a significant effect on employee performance with the amount the effect of 63.9% and the remaining 36.1% is influenced by other factors not examined.