It is a quick process, you are first given a phone screen. Afterword, if all goes well, there will be an on-site interview, and that was it. A lot of questions were asked to learn about your thought process and was STAR based.

My job search brought me to a contractor company (Aerotek/EASI) which provides Gilead with longer contract roles (mine role was a 3 year contract). Aerotek acted as the liaison for my interview process at Gilead. I had at least 2 phone calls before getting a phone screening with the contract manager at Gilead. After that, I got schedule for an on site interview with the actual hiring manager. Interview was straight forward and easy. I got a request for a follow up virtual interview with other managers of the team that I'd be joining. I was partly frustrated that these other managers didn't bother to meet in when I was actually on site, but I happily obliged (and once again, took more time off work to speak with them). After meeting the whole team, I had to take an online excel test (which you can find a lot of practice ones on youtube FYI) and then learned that I was second choice for the job. I am not bitter about not getting the job, but there are definitely a lot of hoops to jump through during the interviewing process. Would not recommend for a contracting job tbh.