Graeme Walter was the head chef of Two Buoys restaurant in Dromana in 2019.
One night after his shift, the 34-year-old was drinking alone with a teenage staff member, who pushed him off when he tried to kiss her.
Graeme Walter tried to conceal the crime from his family.(Nine)
Walter pulled her into a bathroom and sexually assaulted the intoxicated young woman twice without her consent before taking her home in his car.
While driving his victim home Walter told the her, "I should not have done that, I have a wife and family."
He tried to hide the crime from his wife, insisting the victim wash his clothes afterwards.