Do I need to accumulate a set number of points before I can work in Australia? How much points do I need? How do I get these points?
depends on what Visa you are applying, and yes you have to accumulate those points
How do I get these points?
It depends on your
Age
Your school + work experience ( depends on Australian demands )
You English language ability
If you have worked/studied in Au
Your spouses school + work experience
etc etc
example only
you have graduated in La Salle as BSCOmSci and CUrrently working as a .NET Programmer for 5 year you get = 60 points
You English language ability IELTS total band is 8 = 25 Ppoints
You are 30 years old = 15 points
YOu have studied in AU = 5 points
etc etc ...