He thinks for a moment, he doesn't really know Marc's strong suits besides 'murder'. So he'd offer infirmary and he could teach him, but who's he kidding? He'd be terrible at it. He can't teach someone.

"How about maintenance? You any good with that sorta thing?" He waves a hand almost instantly. "Actually, pretty sure that doesn't matter. You want to, I can talk to one of the wardens working it. Set you up there. Doubt there's much socializing with it. Perfect fit, right?" He's got this. Nailed it. He's so sure of himself.