According to an embodiment, a job execution control device controls execution of a job for receiving input data, applying processing thereto, and outputting output data. The device includes a job executor, a controller, a recorder, and a generator. The job executor executes a job and record a job execution history including the input and output data. The controller displays, on a display, a job screen for presenting information on the executed job to a user and for receiving a user operation for re-executing the executed job. The recorder records a job operation history regarding the user operation through the job screen. The generator generates a warning condition for input or output data of a job based on the histories. The controller appends to the job screen warning information associated with an executed job the input or output data of which satisfies the warning condition, among executed jobs.