Job satisfaction is one of the important factors that can influence employee performance and productivity within an organization. The level of employee job satisfaction is affected by various factors, including leadership style and work culture implemented within the company. This study aims to analyze the effect of leadership style and work culture on employee job satisfaction at PT Tirta Utama Abadi. This study employed a quantitative research method with a survey approach. Data were collected through questionnaires distributed to 70 employees of PT Tirta Utama Abadi selected using the Simple Random Sampling technique. Data analysis was conducted using the Structural Equation Modeling–Partial Least Squares (SEM-PLS) method with the assistance of SmartPLS software. Based on the findings, it can be concluded that leadership style and work culture have a positive and significant effect on employee job satisfaction at PT Tirta Utama Abadi. Therefore, the company is encouraged to continuously improve leadership quality and maintain a positive work culture in order to enhance employee job satisfaction.
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