Levy joined the crew of AMC drama Mad Men as a writing assistant for the third season in 2009. She co-wrote the episode “Shut the Door. Have a Seat” with series creator and show runner Matthew Weiner. Levy and the writing staff won the Writers Guild of America (WGA) Award for Best Drama Series at the February 2010 ceremony for their work on the third season. In 2010, she won and the rest of the writing staff an Emmy Award for her writing in the AMC drama Mad Men.