I would imagine that most US employers are more familiar with them than most non-Americans because we're more likely to come across the less-well known schools

I would imagine that most US employers are more familiar with them than most non-Americans because we're more likely to come across the less-well known schools when we were applying for college. Edsger Djikstra was a professor at UT Austin, by the way, so their computer science program is pretty well known.