First was a 1:1 Interview with a R&D engineer. We went through my resume and he asked me technical questions regarding the various positions that I held. For example, I did lab work pertaining to signal processing so he asked me "What is the difference between a Fourier Transform and a Laplace Transform?" I'm also doing a concentration in statistics so he asked me "Name some different statistical tests and a real world application for them?" and "Name the different probability distributions that you know and real world application for them?"
Second was a phone interview. It was very short (approx. 5 minutes) and were all basic questions like "Why Boston Scientific?" and "You are obviously applying to other companies besides Boston Scientific, what qualifications are you using to decide which company you would want to work for?"