The Federal Government is the single largest employer in the United States, hiring in excess of 300,000 people every year, and maintaining a staff well in excess of one million. A federal job generally guarantees strong benefits, a competitive salary, and significant opportunity for advancement. There are numerous opportunities within the government to apply your knowledge of Latin America, ranging from a Mexican consultant with a Southwestern National Park, to a development policy consultant.
You must be a U.S. citizen to work for the federal government. The federal government has a number of "affirmative action" hiring programs aimed at women, minorities, the disabled, etc. While a majority of federal jobs are in Washington D.C., there are opportunities all over the country, as well as in embassies, consulates, and consultation firms overseas. To locate jobs, you must scan the federal publications that advertise openings, which are published semi-annually. The Memorial Library Reference Room is your best starting point, followed by state job offices, and the regional office in Chicago.