The great impact of social responsibility in the present era and the effects it may have on the organization's view of customers and, in general, the personal performance of employees, especially among service organizations, has formed the purpose of the present study, examining the relationship between social responsibility and employee job performance with the role of customer orientation and organizational identification. Based on the purpose, this research is applied and according to the type of research and the method of data collection, it is among the descriptive survey studies. The statistical population of this study is all employees of Mellat Bank branches in Guilan province. In total, 326 employees were included in the multi-stage cluster sampling method as the research sample. The analysis of the hypotheses of this research has been done using the method of modeling structural equations with the least partial approach of soft squares with the help of Smart Pilates software. The results showed that the social responsibility of the organization through customer orientation and organizational identification has a positive relationship with employees' job performance. Finally, it is suggested that through the development of comprehensive operational plans, efforts are be made to develop and pay attention to the concept of social responsibility at different levels and a special look at the organization's customers at the macro level to improve overall job performance of employees.