I had a work visa, and almost got denied entry two times. They were questioning if i was qualified for the work i was hired to do. I already had my visa renewed

I had a work visa, and almost got denied entry two times. They were questioning if i was qualified for the work i was hired to do. I already had my visa renewed two times at that point so i had been to the embassy for interview and document checking already. The CPB guy was being a jerk.