This study examines the effect of transformational leadership and organizational culture on employee performance through partial and simultaneous job satisfaction. The research was conducted at PT Wijaya Karya Tbk. The research sample was 76 respondents with data analysis using path analysis. The results show that there is a relationship between transformational leadership and organizational culture on job satisfaction, transformational leadership and organizational culture on employee performance, job satisfaction affects employee performance and transformational leadership and organizational culture on employee performance, transformational leadership on employee performance through job satisfaction and organizational culture do not affect employee performance through job satisfaction.