How to give one user two positions. i.e. Site and Faculty Supervisor?

Add another position in the same organization/department

As a Coordinator;

1. Select Search Users from the menu.
2. Search for a User and select View.
3. Select the Details tab.
4. Click +Add Position.

Note: A trainee can not have two positions in the same organization.

Add another position in a different organization/department

As a Coordinator; 

As a coordinator, send an e-mail invitation using the Supervision Assist signup link.