Sure, I don't mind a male magic user.  Since this is plot-driven, I'm not going to be too strict with power restrictions so long as it makes sense.
Bend the rules?

Yeah.  I get you.  I don't think it'll be too difficult to have the organizations together, but I'll think over how they could co-exist.  

Exactly.  That's the beauty of mercenary work.  Everything could be requested.  Some days we could be sent to infiltrate a monster's base, act as protection for an underground auction, entertain spoiled rich kids, serve as contestants for paranormal game shows, etc, etc.