She thinks she's riding high. But the thing is, all the higher-ups know two things about her.
1. She's a traitor, and nobody likes a traitor
2. She's an ambitious woman, and they're male chauvinists--look what they used her to do to the other ambitious women at the company.
She thinks she's using them. They used her, and soon they will discard her. And she will be easy to discard, because she's dirty, and her clever tricks will do her no good when all the old boys close ranks against her.