IT veteran Dave McKeown has been selected as the DoD’s next chief information security officer (CISO). As reported by FedScoop, McKeown replaces former CISO Jack Wilmer, who departed in July to take up a new role in a private security company.

Mark Hakun has been serving as acting CISO since Wilmer’s departure in July.

McKeown most recently served as the Director of Enterprise Services at the Department of Justice. He was responsible for the acquisition, development, deployment, operations, and maintenance of Department IT as well as delivery of customer-centric services to ensure the success of the DOJ and its component organizations.

FedScoop added in its report that the job is the highest-ranking civilian cybersecurity position in the DOD, with the responsibility for leading DOD’s vast cyber workforce and working closely with senior executives and military leaders to defend the DOD’s networks.