I had two 30 minute phone call interviews for this engineering internship position. One interview was with a senior engineer and another interview was with a manager. They were challenging and engaging.
There are two rounds of technical interviews for this internship recruiting process, virtual, sometimes one to two interviewers. Asked a couple of fluids fundamentals and rocket engine questions, value in first principles understanding of concepts.
Two phone screen interviews, one with a manager and one with an engineer. I was asked about GD&T, beam bending problems and pressure vessels. The interviews were 30 minutes each.