The board members of NBN Co have offered to resign en masse, falling on their sword amid suggestions they do not have the confidence of the incoming government.

The chairwoman, Siobhan McKenna, has submitted her resignation to Minister for Communications Malcolm Turnbull, along with the rest of the board.

Former Telstra boss Ziggy Switkowski is waiting in the wings to be appointed executive chairman.

Kerry Schott is expected to be one of the only directors invited to stay on by Mr Turnbull, who has been highly critical of the board and the way the company has been run under the former Labor government. The resignations have not yet been accepted by Mr Turnbull, with a decision to be made at a cabinet meeting early next month.