She appeared in Playboy magazine as the "Becoming Attraction" for the January 2009 issue.

In 2010, Maandig and her husband Trent Reznor formed the group How to Destroy Angels, along with long-time Reznor collaborators Atticus Ross and Rob Sheridan.

[3][4] They have released two EPs named How to Destroy Angels and An Omen, and a studio album, Welcome Oblivion.

Maandig has worked with LA-based songwriter BAO and appeared as a guest vocalist on two of his band Ming & Ping's songs, "Mixed Melodies" from their eponymous 2009 album and "Chinatown" from 2012's The Darkness of Night.

She also provided backing vocals on the track "She's Gone Away" on Nine Inch Nails' 2016 EP Not the Actual Events, as well as on “Shit Mirror" off the band's 2018 album Bad Witch.