Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory. The successful applicant will have the opportunity to machine a variety of materials, including a wide range of metals and metal alloys (including depleted uranium and uranium alloys), as well as composite materials, plastics, foams, rubber, graphite, and other materials, to produce high-quality components and subassemblies in support of production/experimental programs as well as special projects.