Working for the United Nations Relief Works and Agency (UNRWA) can be one of the world's most challenging jobs. This international agency functions like a natonal government, providing health services, education and infrastructure for 4.7 million people in the world's hottest area: Palestinian refugees at the Gaza Strip, West Bank, Jordan and Lebanon.

The civil war raging in Syria since 2011 has added to UNRWA's burden, whose headquarters are locat