The Regional Sponsored Migration Scheme (RSMS) subclass 187 allows employers in Tasmania to employ skilled migrants if a position cannot be filled by an Australia citizen or permanent resident.
If you cannot wait until the babies have fledged you may contact a licensed wildlife cooperator to help you find a solution. Chimney swifts are protected by the Migratory Bird Treaty Act and a federal permit is needed to remove birds and their nests during the nesting season.
Cliff Swallows share the Barn Swallow's glossy blue upperparts and rusty throat, but the forehead is pale and the rump (just above the tail) is creamy. Chimney Swifts and Vaux's Swifts are smaller with narrower, more curved wings and much stiffer wingbeats.