H1B로 일하고 있느데요 다른 조그만 회사에서 파트타임 형식으로 일할 수 있는 기회가 생겼습니다 (캐쉬로 받는거 아니고 월급식으로 정기적으로 첵을 받고요). 제가 (H1B) 투잡을 뛰는데 문제가 없는지요? 그쪽 회사를 통해서도 비자를 받아야 하나요?

As long as you have two H1s, you can have two jobs. Yes, you need to get another h1 from the other company.

I have 2 H-1B. One is full-time, the other is part time. It’s OK to me. In my case, I frankly talked to my full-time employer and got a verbal approval from them. It may not required legally, but I thought that’s better.