Presumably a male since the eyes are closer together than the other flies in this genus we have seen.
Classification
from Australian Faunal Directory
Order Diptera - Flies, 8955 named species in Australia at Nov. 2021
Division Cyclorrhapha - Flies having Short Antennae with a Bristle or Arista
Family Tachinidae - Parasitic Flies, 520 named species in Australia
Subfamily Dexiinae
Genus Rutilia
Species ?