Those who are successful will have training provided.
Melbourne-based air traffic controller Lily Cai told Sunrise working in the field was nothing like what was portrayed in movies like Top Gun, but said there were "lots of perks" that came with the job.
"The views are spectacular and most importantly I love our team at work," she said.
"We get trained to a very high standard which makes us one of the safest airspaces in the world to travel in."
The woman — who had worked in the role for 16-years — said the company was looking for employees aged 18-years and older that were "highly motivated", had good organisation and decision making skills and could work under pressure.
"In the sim(ulator), we are put through the worst scenarios you could think of so in the live field, there are a lot of safety measures and alarms would be going off before two aeroplanes even get remotely close to each other.
"Rest assured, you'll be in safe hands."
Starting salaries for graduate roles began at AU$99,898 (NZ$106,285) back in 2018 and controllers earn an average of AU$141,795 (NZ$150,860) a year, according to the Australian Taxation Office.