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.
In the UK, all wild birds, their nests and their eggs are protected by law. In England, Scotland and Wales the legislation that protects wild birds is the Wildlife and Countryside Act 1981, and in Northern Ireland, The Wildlife (Northern Ireland) Order 1985.