Use transaction SM36.
It is easiest to use the Wizard. Click the Wizard button in transaction SM36
Enter the job name:
Select the STEP push button on the application tool bar
Enter the name of the program ( Your materila upload program)
Variant ( Which you can create in the selection screen of Your materila upload program)
Then Select the START CONDITON Push button on the application tool bar
Select the PERIOD VALUES push button and select daily and save it
give the schedule start date and time and you can also specify if there are any restrictions
Goto TCode - SM37 to view the job & other details.