I applied online. I interviewed at Fermilab in Jan 2021
Interview
2 round interview. First round is about 1 hour. Asking some basic question from the resume. Second round also the final round whole design team came to the interview. It is whole day process, about 7 hours.
Still waiting for the update from them.
Interview questions [1]
Question 1
Analog design concept. And the design circuit you have done. Also some fundamental circuit theory.