Can't help you with JHAS,but with your French licence you'll have no problems to convert it.(Should be one module only).
http://www.casa.gov.au/wcmswr/_asset...d/ctc_215b.pdf
But you need a 457 visa,and salary less 120k AUD is no improvement to Europe with
80k in €.
Had a good offer myself,went down to check housing,schools,jobs etc - but decided
to stay in the old world.
Google Form 346