I believe, just like Mr. Smith, you'll be joining the game as it progresses. The Infinity Event is past already. McClane and Patches, maybe Tian Li (haven't heard from player) are already on the move.
Our GM will have a better answer to that.
At this point I think it is best that the runners know each other, it will make it easier to integrate everyone. Glitch is at the Warehouse already, it is best either Patches or McClane recognize him, and ask for his assistance. They don't have to know he is a Technomancer.
Mr. Smith is already hired and on his way. Freakazoid can be contacted and hired before they find out that Glitch is here. And Nemesis can/should too be an acquaintance, and will be asked to help. Maybe she's part of the security already?