TAX TAX TAX Remember that word. AU$150 000 salary gets a $48 500 bill from the ATO, with 45% on earnings over that. Very little in the way of benefits from the government either for high income earners.
Look at the whole picture from your own situation, married/single, children/no children, lifestyle, saving ability, career progression. A job that would be perfect for you might be miserable for someone else.
25 years old single looking to see the world, save some money and upgrade quickly on new equipment. Middle East or Asia
55 years old family ties, sick of long haul, cashed up, already a captain. Better of at home.