Seeing as it has been almost 2 weeks since the OP posted with no reply... Not sure if he got his answer..
My two cents? If the party is rocking without you... play what you want.
I mean, honestly.. as long as you have armor on (since you are another target for that extra 3 guys in the enemy crack team after you) and a weapon of some sort (magic, guns, drones, etc) who cares what role you fill. The options for you are boundless.
It's like when someone asks me when we start up a campaign ( not just shadowrun), I tell them to play what they want, we will adapt as a group and so will the GM. No healer in the party... ok we hire one, or be assigned one by the GM. Easy.
Now that is said... Like Narrator mentioned... Nothing wrong with having a heavy weapons specialist armed to the teeth with rockets, missiles, grenades, c4, etc. 16P damage will kill most people.
An Adept having like 20/20 armor on him at all times makes for a fantastic target, while you can have different skills.
Or a mage with Makeover, Sterilize and Cure Disease and open up a shop in his spare time doing makeovers, dental hygiene, curing herpes and cleaning up crime scenes. I think I am going to use that one

Most of all, have fun. You can have a "level 1" character 6 missions in before you can afford to raise your primary stats/abilities, initiation , etc. That is what makes Shadowrun cool... The guy you make for 400bp is good for months. Imagine a mage who went through enough missions to earn 200 Karma...He has 7 Magic, and initiated once.. that's pretty much it and maybe...maybe bound a power focus 4 to himself.
TLDR - Have fun.