Brickell is Catholic and throughout her career has worked in many church and welfare-related roles. This includes her position as coordinator of Aboriginal Partnerships at MacKillop Family Services.[2] She has been active in Aboriginal affairs for many decades at both the state and national levels, working in areas of justice and reconciliation and in particular the Stolen Generations movement.[3] She has been interviewed for Australian Broadcasting Commission (ABC) Radio National programs, speaking about these issues.[4]
She served as director of Reconciliation Victoria and was the chairperson for the Victorian Stolen Generations Sorry Day Committee and the National Stolen Generations Alliance.[4] She has served as chair of the National Aboriginal and Torres Strait Islander Catholic Council.[5] In 2022 the Council awarded her a Service to Community Award in the Adult Award category.[3]
Brickell also served as a commissioner on the National Aboriginal and Torres Strait Islander Ecumenical Commission.[2]
She was one of the co-founders of the Opening the Doors Foundation with Vicki Clark, Carol Messer, and John Arthur, around 2001. The foundation, which aims to provide First Nations families with access to education opportunities that might not have otherwise been possible, provided over 3000 students and their families with educational resources and support in its first 20 years.[6]
Fiona Gardner interviewed Brickell for her book Critical Spirituality: A Holistic Approach to Contemporary Practice, which was published in 2017. Brickell's chapter was included in a section about practitioner perspectives and described how she expressed both her Aboriginal spirituality and her Catholic spirituality.[2]
In 2009, Brickell presented at the Parliament of the World’s Religions, which was held for the first time in Melbourne. The theme of the Parliament that year was "Make a World of Difference: Hearing each Other, Healing the Earth."[7] Brickell was also a guest on a special episode of ABC Television's Compass program about the 2009 Parliament presented by Geraldine Doogue.[8]
