IM FROM NANYANG POLY! I'm assuming you're gonna go Digital Media Design? Uber cool. Sister course! XD
Job eh... hm, there are always temp jobs, like sales assistant, cashier and promoters and stuff but if you want a job as a designer, you might wanna search
www.jobsdb.com
I've fished out some links you might be interested in (I think):
this is for design work:
Job Search - Singapore - JobsDB.com
this is for temp jobs:
Job Search - Singapore - JobsDB.com
you can PM me anytime =D