Walker played for both Hunter Jaegers and Queensland Firebirds during the Commonwealth Bank Trophy era.
[1][2][3] Between 2004 and 2006, while her husband Shane was playing for South Sydney, Walker made 32 appearances for Hunter Jaegers in the Commonwealth Bank Trophy league.
[2][4][5][6][7] Walker played for Manly-Warringah in the New South Wales state netball league and in 2006 featured in the grand final when she was 27 weeks' pregnant.
She was initially cut from the preliminary team list against the wishes of head coach, Vicki Wilson.
[27] During the 2020 Suncorp Super Netball season, Walker served as an assistant coach to Roselee Jencke at Queensland Firebirds.