There are two rounds. First is the HR phone call followed by a technical phone interview in which they will explain about the project that you will be working for and ask specific skill related questions.
I applied through college or university. The process took 2 weeks. I interviewed at Lam Research in Apr 2018
Interview
resume shortlisting follewed by telephonic interview which lasted for 20-25 minutes and a final skype interview for 45 minutes which was a mix of technical and HR questions. The questions asked in skype interview were from basic fluid mechanics and heat transfer plus from projects.
I applied through college or university. The process took 4 weeks. I interviewed at Lam Research (San Jose, CA) in Mar 2011
Interview
Very detail. They almost go through all what written on resume. You better prepare/review all the stuff on your resume. They have 2 supervisors, 2 current engineers in the interview.