The research aims to study the impact of the organizational climate on the job performance of employees at the University of Technology and Applied Sciences in the Sultanate of Oman. The study sample consisted of (217) individuals from the administrative staff in the college of Technology affiliated to the University of Technology and Applied Sciences in the Sultanate of Oman. A questionnaire was used to collect data, and it included three axes: organizational climate, job performance and job satisfaction as a mediating variable. The results of the study showed that the organizational climate at the University of Technology and Applied Sciences is positive, with all its dimensions (communication, participation in decision-making, and training), where it came to a high degree, and the results showed that there was no effect of the dimension (participation in decision-making) on the performance of employees as well as that there is an effect of the training used on the performance of university employees. The study showed that the communication style affects work positively on the performance of employees at the University of Technology and Applied Sciences. This study concluded that job satisfaction (as a mediating variable) has a significant effect on the relationship between organizational climate and job performance. Keywords: organizational climate, job performance, job satisfaction