this address is taken from the pilot application form for SQ.
Operations Admin Manager
Flight Operations Division SIN-STC-04C
Singapore Airlines Limited
PO BOX 501
Airmail Transit Centre
Singapore 918101
SQ has a cadet program based partly in singapore and partly in Perth WA Aust.
They have in the past accepted direct entry FO's with CPL. I think its now mandatory ATPL. You will have to check with SQ. If accepted you will be in the learjet advanced trainer first before going on line.
I strongly suggest you read the threads concerning SQ and its recruiting policy. It will give you a better picture of the working culture and enviroment in SQ.
Hope this helps.