If you want a secure expat job using your STEM skills, look at the State Department. They are always hiring security engineers and IT professionals:
http://www.state.gov/m/ds/career/
You won't get paid a whole lot, but you'll be able to live in a variety of countries, have a security clearance (which can be used to get other jobs), and be involved in pretty cool stuff.
http://www.state.gov/m/ds/career/
You won't get paid a whole lot, but you'll be able to live in a variety of countries, have a security clearance (which can be used to get other jobs), and be involved in pretty cool stuff.