Early in her career, Gillon worked at a radio station in Vancouver, British Columbia, Canada before joining Sky News Australia in 2004, serving as a producer.[1] In 2011, Gillon received the Wallace Brown Award, honouring young journalists in the Canberra Press Gallery, as well as an ASTRA Award for outstanding performance by a broadcast journalist.[2]
Gillon was part of the Sky News Canberra bureau, including a stint as host of Lunchtime Agenda[2] before moving to Perth to anchor rolling afternoon news.[3] In 2014, Gillon was on air as anchor during the Lindt cafe siege.[4]
Following her relocation to Melbourne, Gillon became host of weekend program Weekend Live with Ashleigh Gillon.[5]
In a 2016 interview, Gillon revealed a male then-Government minister would ask her and only her to apply his make-up every time he would do an interview with her, and only ended when her colleague David Speers stepped in.[6]