For more details, here are the links. Application closes on 6 November 2011.
http://jobscentral.com.sg/viewSimpleProfile.php?eid=47860&jid=308754
http://jobscentral.com.sg/viewSimpleProfile.php?eid=47860&jid=286272
http://jobscentral.com.sg/viewSimpleProfile.php?eid=47860&jid=308771