National Broadband Network Co (NBN Co) Chief Information Officer Claire Rawlins has announced she has stepped down to take up a position at IT group Oracle.


Chief Operating Officer, Ralph Steffens, announced Ms Rawlins' departure, thanking her for her service over the past three years.


Claire has spearheaded the design, build and implementation of our end-to-end business processes, systems, applications and information technology architectures that have enabled NBN Co to operate," Mr Steffens said in an internal memo.


"Under Claire’s leadership, the IT team has achieved an impressive delivery record in the industry.”


Ms Rawlins will be replaced in the interim by NBN Co General manager business support systems David Elmendorf.