Google? Singapore online job boards like jobstreet, jobsdb, monster etc.
SOME PEOPLE TRY TO TURN BACK THEIR ODOMETERS. NOT ME. I WANT PEOPLE TO KNOW WHY I LOOK THIS WAY. I'VE TRAVELED A LONG WAY, AND SOME OF THE ROADS WEREN'T PAVED. ~ Will Rogers
SOME PEOPLE TRY TO TURN BACK THEIR ODOMETERS. NOT ME. I WANT PEOPLE TO KNOW WHY I LOOK THIS WAY. I'VE TRAVELED A LONG WAY, AND SOME OF THE ROADS WEREN'T PAVED. ~ Will Rogers
Do a search online for companies based in Singapore that supply to Northern Africa or the Middle East. Then contact them.
If the company here really wants you, and you are not a security risk, then you can get in.
My friend holds an Afghan passport and he got a job here as a fresh grad last year. The poor guy gets security checked in little rooms in every airport he goes through.