Two rounds of interviews. A recruiter will guide you through the process. Covered a lot of questions, both technical and HR / People interaction related. The interviewers are friendly and helpful during the interview.
I applied through a recruiter. The process took 2 weeks. I interviewed at Google in May 2022
Interview
The interview process is very length mainly due to high queue of applicants. The interview process focuses on linux, networking and software engineering principles. Best way to prepare is to read-up on system-admin books and networking books. For coding challenges there are many resources available.
Interview questions [1]
Question 1
1 phone screen: General networking, web technologies, and Linux questions.
1st onsite: Behavioral
2nd onsite: Coding and networking troubleshooting.
3rd onsite: Systems design and troubleshooting.