I applied through an employee referral. The process took 1 week. I interviewed at Illumina (San Diego, CA) in May 2015
Interview
Got a referral and interviewed 2 days after. The interview lasted 2 hours and I met with three separate people. I went through questions about myself and talked about my previous work and how I approached different problems. After the interview my references were checked and I had an offer a week later.
Interview questions [1]
Question 1
What was your favorite class?
Tell me how you troubleshooted an assay?
Walk me through an experiment you performed.
Why do you want to work at Illumina?