Ultra-Orthodox is not the preferred term, but I know a Hassidic Jews who is a semiconductor engineer, another who works in a meatpacking plant, a jeweler, and a deli owner. Many Hassidic Jewish men are rabbis, but there are not that many jobs for Hassidic rabbis, so they have day jobs doing other things. The man in the meatpacking plant does kosher slaughter. Another job is mashgiach -- that is, kosher supervisor. A Hassidic friend of mine travels around the upper midwest inspecting food-processing plants to verify that their product can legally be marked as kosher. He certifies things as varied as breakfast cereal and whiskey. (Why not ultra-Orthodox? Because observant Modern Orthodox Jews are no less Orthodox and because the things that make Hassidic Jews distinctive are not their degree