The following are useful links for you to use in your quest for graduate employment:

UNSW Careers and Employment
Find out about employment programs such as UNSW Expo, Graduate Recruitment Program and JobsOnline. Access careers related resources from interview skills to resumes and cover letters.
http://www.careers.unsw.edu.au/

mycareer.com.au
View current graduate recruiters and check out the latest recruitment programs. Apply to jobs online, subscribe to free e-newsletters, and build a better resume.
http://www.mycareer.com.au/

Gradlink
Find an employer through online current vacancies and get the job with tips on writing your application and interview techniques.
http://www.gradlink.edu.au/

myfuture
Access information on career related topics and job vacancies
http://www.myfuture.edu.au/

www.seek.com.au
Access information on career related topics and job vacancies
http://www.seek.com.au/

Organisations offering vacation work:
http://www.careers.unsw.edu.au/Student/Misc/vacationorganisations.asp

Professional Associations:

The Institution of Engineers, Australia
A member based organisation aimed at promoting engineering excellence.
http://www.ieaust.org.au/

Engineers Australia
For the latest news in engineering from Australia and overseas. Database of upcoming conferences, seminars and meetings. Information on and a contents list of all their publications.
http://www.engaust.com.au/

Minerals Council of Australia
On first reading, you may think it is only for mining engineers, geosciences and metallurgy, but if you read further you will find that they have found vacation jobs across most of the engineering spectrum - civil, mech, chem, elec, surveying etc. Please visit: www.minerals.org.au/mtec/ieu for more information.

Listing of other professional organisations:
http://www.careers.unsw.edu.au/student/Usefullinks/professionalorganisation.asp