Here are just some of them.
You could apply for this visa by yourself, without any employer getting involved.
You need to have a 60-point for yourself, plus another 5 points from the state nominate; NSW.
The occupation will be "closed" once the demand has been reached.
Once the visa (PR) is granted, then you need to reside in NSW for 2 years. You do not need to work in that occupation.
3. Age less than 45