Details about the nine core immigration occupations are available by clicking on Core Immigration Occupations. Current Vacancies will provide you with information on some of our employment opportunities. Additional job opportunities for immigration related programs can be found on the USA Jobs Website which is an immigration programs-specific search page on the Office of Personnel Management Website from which users can view agency job announcements. Employees of the USCIS work throughout the United States and its territories. For Immigration Districts, Sub-Offices, Service Centers and Asylum Offices, click here. Information about the Border Patrol may be found on the website of the U.S. Customs and Border Protection website.