A job processing system includes a job processing apparatus, a mobile information terminal, and an information processing apparatus. The information processing apparatus transmit a job to the job processing apparatus, which stores the job. Information of the stored job is transmitted to the mobile information terminal. The job processing apparatus authenticates a user who logs in the job processing apparatus. The received job information is displayed by the mobile information terminal. The mobile information terminal selects a job to be executed by the job processing apparatus via a plurality of information pieces of displayed jobs. In response to that a user is authenticated by the authentication unit, the instruction unit instructs the job processing apparatus to execute the selected job in association with identification information of the user. The job processing apparatus executes the job instructed and associated with the identification information in response to that the user is authenticated.