 In her role as director, Sackett was responsible for the management of Mount Stromlo Observatory in Canberra and Siding Spring Observatory in Coonabarabran, New South Wales.As director of the Mount Stromlo observatory, she was responsible for its reconstruction after the 2003 Canberra bushfires.The reconstruction work proved difficult due to disagreements with the insurers and was further complicated by the heritage status of the observatory requiring the Australian Heritage Commission to approve all works.