SUMMARY
The aim of the present research is to investigate the relationship between personality characteristics, cultural intelligence and job performance of employees. The population of the study comprises 200 employees of the telecommunication company of Isfahan. The sample is selected through simple random sampling and the sample size includes 131 individuals elected through Cochran formula. As for the data collection, validated questionnaires are employed. To determine the validity and reliability of the questionnaires, content validity and Cronbach's alpha coefficient were used. Reliability coefficient for the questionnaire of personality characteristics of employees, cultural intelligence, and the employees' job performance equaled 0.79, 0.80 and 0.83 respectively. As for data analysis, structural relations model was employed and to test the hypotheses as well as analyze the data and conduct other analyses of the research, Lisrel statistical software was utilized. Results of the study showed that there is a significant relationship between the variables of personality characteristics, cultural intelligence and job performance of employees. Furthermore, the mediating role of cultural intelligence variable in the relationship between personality characteristics and job performance was confirmed.