For Import jobs where there is an External data source, or for Export jobs, you can schedule the jobs to be run automatically.
There are two places from which you can schedule jobs
After you preview the data, you will be given the option to Schedule the job:
To update an existing schedule, simply follow the same process as above and click on Save Schedule, and it will be updated automatically.
To Unschedule a Job, click on Actions next to the Job, and click on Unschedule: