phone interview which took about an hour. Call came 10 mins later than schedule. Nice interviewer, who was friendly but seemed he didn't want you to finish your thorough answers when he realized you know the answer to move on to next question. You can hear he was clicking and searching which I believe the Q bank. u need to review the control, ODE, limits, matrix, bode plot, OOP, inheritance, subclass, PDE, PID. u need to understand and be able to calculate some questions, which are usually basic.

There were three phases for recruiting procedures. The first stage was a brief and relaxing conversation, the second stage was about technical things and hiring manager asked several questions in the third stage.