"About Doostang:

Doostang is a free invitation-only online career community that connects people through personal relationships and affiliations. Our members use Doostang to share relevant career opportunities and to interact with one another.

Membership:

In order to join Doostang, you need to be invited by one of our members. If you have not yet received an invitation, please request one from one of your friends."

This is a very cool Investment Banking Jobs website and started by grads from Stanford and MIT.They posted job opportunities from Tier 1 Investment Banks and the locations are worldwide. If you feel interested, please give me your email address and I will send you an invitation email.