Apply through on campus career fair and got a technical interview setup after 1 month. The interviewer went through the opening job position and introduced what they doing in his group. Talked some of my matched experiences (a lot!). Had 20 mins for technical questions about simple digital design. I answered satisfactorily. Wait 1 month and got no offer. I still don't understand why and want to know why. Maybe it is too competitive.

Two MS Team’s interview rounds. First interview was 1.5 hrs long, second interview was just 30 mins. Mix of technical (materials characterization, SEM, TEM related questions, research related questions) and behavioral questions.