After 10 years at Indiana University, Walker became Dean of Music at Sydney Conservatorium of Music in 2004.[1] Walker's career as a bassoonist is well documented with a catalogue of well over 23 solo recordings available.[2] She continues to perform worldwide.[3]
On May 24, 2018 Walker was named the new director of the Texas Tech University School of Music and assumed the role on July 1, replacing interim director Keith Dye.[4] She resigned the role on July 8, 2020 and was replaced by Robin Germany.