ABSTRACT:- The present study aims to know the influence of work culture and career development toward employee performance through self-efficacy at PT PLN (Persero) UIKSBU. The research type is descriptive research and using causal research design. The sample in this research is 109 respondents at PT PLN (Persero) UIKSBU. Partial Least Square Structural data analysis model (PLS). Based on the result of the calculation of the path coefficient, it can be seen that the influence of the variable of work culture on employee performance has positive and significant influence, the career development variable toward employee performance has a positive effect but not significant. From the result, it can be seen that work culture has a positive and significant effect on employee performance through self-efficacy while career development through self-efficacy has a positive effect but not significant to employee performance.

Keywords: Work Culture, Career Development, Self Efficacy, Employees’Performance