Probationary in the civil service does not equate to young or junior. A person with decades of experience can get promoted and must go through a probationary period.
I would think so. Promoting someone implies they are exceeding expectations in their current role[1].
1. I do acknowledge that in any large organization some people end up promoted despite not meeting the requirements of the job. I'll leave it to the reader to decide where that kind of promotion style might be at play currently.
