Looking for Part-Time Twin Baby Care Helper Day time

we are a family of 5, with 2 full time helpers already. 

1 helper looks after our oldest boy, 1 helper and mum looking after twins 

we are looking for a part time helper mon-fri to help during the day time to look after the twin babies, both currently 1 month old. we would need this part-time service for a year

 

we live in Central Mid-levels on Robinson Road. lets negotiate a salary.