This research aims to determine the effect of organizational culture on employee performance in PT
Telekomunikasi Indonesia Tbk (Persero) Witel Sumsel. The company might use the finding of this research to
understand how organizational culture could affect employee performance, as well as to understand the
importance of organizational culture on performance. Theoretical frameworks used in this research were based
on Cameron and Quinn organizational culture theory as independent variable, and Bernardin and Russell
performance theory and dependent variable. This research is a quantitative study, which uses simple linear
regression technique of data analysis. Questionnaires from fifty-eight employees were gathered in this research
using census sample (sampling jenuh), as this research used whole population as its sample. The results of this
research showed that organizational culture significantly influences employee performance in PT
Telekomunikasi Indonesia Tbk (Persero) Witel Sumsel. Based on the finding of the research, company should
provide more chance for employee to do knowledge sharing, as well as provide the employee with soft skills,
family gathering or socialization.
Keywords. Organizational Culture;Employee Performance; Organizational Behavior.