HR Positions attached to multiple Organizations?

Hi,

I am in the process of setting up our position hierarchy in Oracle HR and just wanted to get your thoughts on the best way to set up positions such as PA's. All PA's across the business would have the same 'position' but obviously report into different departments.

Does anyone know the best way to handle this in the setup? Is it just a case of creating 1 position called PA's which has several employees linked to it, and has it's own separate line in the position hierarchy? or is there a way to link the same position to multiple organizations?