1) Moral character.
2) Work ethic.
3) English language fluency.
We can teach anything else, but finding candidates possessing all three of these basic attributes has become phenomenally difficult.
Gee, I possess all three of those attributes, plus a reasonably high intellect.
However, I’m a 60-year old, White, Christian, conservative male—I guess those characteristics disqualify me.
People with moral character, work ethics and communications skills won’t work for peanuts.