Note to Applicants: 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 productions facilities, which includes Los Alamos National Laboratory. Work Environment: Work near sources of non-ionizing and ionizing radiation, Work near electrical power supplies, Wear headgear or head protection, safety glasses, hearing protection, gloves or hand protection, safety glasses, safety shoes or protective footgear, face shield or facial protection.