You can use report BTC_MASS_JOB_CHANGE when involved with mass changes of SAP jobs. The report can be executed using the transaction code SE38.
From the screenshot below (under the Execution Mode), you can do the changes on the following items,
• Mass change of program / variant
• Mass change of user owner / step user
• Mass change of target server / group
You can also use the option “Test Mode” before executing the real activity.