They're probably to some degree dependent upon the outcome model. If you go to a cloud for various aspects, then a significant amount of internal management could be moved out. That's one scenario.
If you replicate what you have today, but just modernize it, then you continue to have a more skilled labour force of the same number or maybe a smaller number, because you consolidate functions. My speculation at this stage is that Shared Services Canada would probably fall somewhere in between, given the state of technology. So outsourcing would free up some employment within the government sector. The question is whether the talent at that point would be reusable for something else.
There will be a requisite change on the private sector side. I couldn't tell whether there would be a net loss or a net benefit, but most of the time this kind of generates a little bit of a net benefit on both sides.