Very quick, 2 interviewers and HR, an hour each, asked about previous experience that is written in the resume , then asked about 3 technical questions about the field. Didnt send any homework , were very pleasent.
I applied online. The process took 5 weeks. I interviewed at Red Hat
Interview
First a Manager Interview, then Technical interview, Team lead interview, and finally an HR interview. Questions were mostly general knowledge in the security domain, particularly various security vulnerabilities. Good overall atmosphere.
Interview questions [1]
Question 1
Describe mitigation ways for specific vulns, how to make certain attacks (kernel) in general terms, etc.