There is not one publicly available for SEP. This is something you will need to create.
An outline/objectives are here:
https://www.symantec.com/products-solutions/training/certification/path.jsp?pathID=250-315
Free training from Symantec eLibrary is here:
https://techcenter.symantec.com/ecampus/enterprise?siteName=sena&courseNo=AT0900