They will certainly TRY and keep you gainfully employed. The problem is: they have you, and about a zillion others to "gainfully employ". It's good work if you can get it...the tricky part is: can you get it? Technically speaking, until you are completed your POET (which, btw is merely a PRE-REQUISITE for your basic trade training), you are "un-skilled", which means they have to be very careful where they put you.
Your chances of such employment expand exponentially once you have completed POET, and you are waiting for your QL3. Many (Communications Branch) POET Grads have gone on to work at 2ASG in the Networking and PC Maint shops while waiting for their QL3