The purpose of this study is to examine the effect of work discipline and work culture on employee productivity at the Infrastructure Development Center of the Ministry of Public Works, South Jakarta, both partially and simultaneously. This study employs a quantitative associative research method. The sample size used in this study comprises 55 respondents. The results of this study indicate that work discipline has a significant effect on employee productivity as evidenced by a correlation coefficient of 0.891, indicating a very strong relationship. The coefficient of determination is 79.4%. The calculated t-value is 5.101, which is greater than the t-table value of 2.005, with a significance level of 0.000 < 0.05. Furthermore, work culture also has a significant effect on employee productivity, as indicated by a correlation coefficient of 0.877. The coefficient of determination is 76.9%. The calculated t-value is 4.177, which is greater than the t-table value of 2.005, with a significance level of 0.000 < 0.05. Simultaneously, work discipline and work culture have a significant effect on employee productivity. This is demonstrated by the multiple linear regression equation Y = 8.437 + 0.891X₁ + 0.877X₂, a correlation coefficient of 0.929, a coefficient of determination of 84.6%, and an F-value of 142.565, which is greater than the F-table value of 3.18, with a significance level of 0.001 < 0.05.
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