In your Commcell Browser window, create a New Client Computer Group and call it something like "Temporary Hold"
Add the servers into theis group.
Right click on the group name and under All Tasks, select Operation Window
Create an Operation Window for the time period you do not want jobs to run.
Jobs will Queue up and run after the window expires.
Be sure to remove/delete the window after you are done. You can delete the Group or save it for future use.