Ms Rachel Noble PSM is Director-General of the Australian Signals Directorate. Prior to this, Rachel was the Head of the Australian Cyber Security Centre.

Rachel was previously the Deputy Secretary Executive Group in the Department of Home Affairs overseeing the delivery of the department’s executive functions including media, ministerial and parliamentary services, integrity, security, risk and assurance as well as intelligence and the countering violent extremism centre. She previously led the Home Affairs Implementation Team to stand up the Home Affairs Portfolio.

In 2014, Rachel was promoted to Deputy Secretary Policy Group in the Department of Immigration and Border Protection (DIBP), which included responsibility for trade, customs, immigration and international policy. This promotion followed the merger of DIBP with the Australian Customs and Border Protection Service (ACBPS), which Rachel joined in 2013 as the National Director Intelligence and Chief Information Officer.

Rachel has also served throughout her career in the Defence Department. Her appointments in Defence include First Assistant Secretary Ministerial and Executive Coordination and Communication, responsible for providing advice on parliamentary, media, information management, records management policy, FOI and executive coordination issues; Assistant Secretary Governance, responsible for the overall governance and assurance framework for Defence; Assistant Secretary Americas, North and South Asia, Europe in the International Policy Division; and Deputy Chief of Facility at the Joint Defence Facility Pine Gap.

Rachel also held the position of National Security Chief Information Officer and Cyber Policy Coordinator in the Department of Prime Minister and Cabinet and was responsible for improving information-sharing among the national security community and coordinating whole-of-government policy on cyber issues. Rachel received a Public Service Medal for this work.