After you log in, click "my account" at the top left corner, then click "edit", and then click "My profile" and "My resume".

When people click your name or your photo anywhere on iMechanica, they will land on the page of you profile and resume.  Some of the key data appear on the user list, a tab in the header of iMechanica. 

While you may change your job and your email address, your iMechanica user number is an invariant in your life. As you grow professionally, you simply update your profile and resume.