How do I get a 1AC Security Licence?

To apply for a 1AC Security Licence in NSW, first you need to complete a security licence course, which you could do with Multisec Training in Auburn.
Weekend Security Course Now Available

The weekend security courses that Multisec Training conducts run for 5 weekends, over which you will learn everything you need to know to become a security guard. Further, you will be eligible to apply for a security licence and then get a job in the NSW Security Industry.