As you are graduating from outside Australia you may not be eligible to Apply for PR.For outside graduates they require 1 to 4 years of experience  depending on your profession.

here is how you count

age:>29 =30
30-34:25
35-40:20
40-44:15

ENGLISH

7 in all Band =25
6 in all Band:15

education  as Biomedical Engineer :60

Work Experience 5 or 10

your occupation is not on demand list so you may require more than1 year of work experience.