She can't be a lobbyist, because nobody in Washington trusts her. You can't lobby if you don't have any pull. More likely she'll end up as the token "totes not a Republican I just regurgitate all the Republican talking points" contributor gig on Fox or one of the other right-wing media channels.
That, and she was quoted in Romney's book (insert salt grain) saying she didn't care about reelection because she was already elected and could go sit on any board she wanted or become a university president. She was always just in it for the money and status.