The other day I came across an Advt for jobs at The UN, as Civil Service Young Professionals.
You are welcome to give it a try at your convenience.
Check http:// un.org then search Career oppoturnities YPP, would get all relevant information.
UN jobs are of course very competitive. But what is the catch?
There is no catch! No if, but and for. I know among my student circle who qualified for UN/UNDP jobs.