In 2015 Australia is having a large number of engineers in the market due to downsizing of organization, however we can expect high shortage in may be in 10 years time due to students not pursuing similar career. As I know many teens have chosen Trady jobs. 

Like ARRB and other R&D did a yeoman service making Australia the most liveable city. R&D on farming techniques, utilising dessert land can do wonders.