Herc/Mara
Stark Industries? Or elsewhere? Seems like it'd be a good fit - less demanding than SHIELD in some ways, but still important considering the high profile of Tony Stark and everything he does.
Adopted family is good. Sometimes they're what gets us through when our real family isn't here... and sometimes it gets us through our real family being here.
I know I do, and I'll let you know. In the meantime - to second chances.