It is important to plan your emigration carefully - even if it will only be temporary, as you don't want to spend half your time in Australia trying to settle down.
Never forget that everyone's situation is different and what suits the person next to you might not be the right thing for yourself. Try to gather information to help you understand your options.
Looking for a job and applying for a visa might be the things on top of your list, but then amongst many other things you should also check insurances (health, pension, home contents etc.) and plan the relocation in terms of what you take with you and how.
The Swiss Federal Departement of Foreign Affairs (FDFA) provides helpful information for your Emigration.
CSA Oceania, the council of the Swiss abroad delegates for the Oceania region have a website! Created in October 2016 to improve information exchange and be present as delegates online.