The IRFU confirmed that 52-year-old Nucifora will attend a press conference in Dublin alongside the union's chief executive Philip Browne.
Brisbane-born Nucifora has previously served as the Australian Rugby Union's high performance manager.
He won two caps for Australia during the early 1990s, while he coached the Canberra-based Brumbies to the 2004 Super Rugby title and worked as technical adviser with the Auckland Blues before being appointed head coach in 2006.
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