There are a large number and a wide variety of overseas jobs that require security clearance, including private contractors for the government or military, and civilian positions in certain industries. This includes careers in engineering, information security, analysis, construction, finance, intelligence, and computer science. Your duties and responsibilities do not generally stray from those in careers performed domestically. For example, between an industrial engineer with clearance and one without, both still work to solve issues with infrastructure and industry. When you have a security clearance, you can access classified information after passing background, drug, and other types of testing.