Cam Nation, a councillor and former mayor of the City of Moonee Valley, has abruptly resigned during a council meeting this week.
ABC News reported that Mr Nation cited poor pay and limited work opportunities outside the municipality as reasons for his decision.
His sensational resignation came five minutes into the meeting and was effective immediately, taking fellow councillors by surprise.
The Victorian Electoral Commission will conduct a vote countback to replace Mr Nation.
The resignation comes at a time when the council is under scrutiny for governance issues, with the government having appointed Phillip Carruthers and Prue Digby as municipal monitors earlier this year.
The council has confirmed the resignation in a formal statement, and former councillor Nation has already been removed from the list of councillors on its website.