Hour long phone call with the hiring manager who was very encouraging Asked about basics of laser testing LIV and spectral Basics of GRR and SPC Followed by onsite interview 2 weeks later 45 min project presentation followed with questions 45min interview with hiring manager asked about hardware scripting knowledge, python programming 45 min interview with managers of other teams Detailed questions about types of lasers, GPIB protocol, yield management 45 min interview with VP of manufacturing This was the one that really hit the nail in the coffin asked in depth questions about physics and electrical engg -polarization -interference -fiber optics -waveguides -signal processing -process engineering -Cp, CpK