Exxon got my resume through a job fair, the first round of interview was on campus the next day. It was a mix of both technical skills and personality fit. I next got a call after about 2 months with an invitation for an onsite interview. The interview day was presentation followed by 1:1 interviews. Work culture seemed relaxed, everyone I met had a separate room for an office! The technical interview was a breeze but the work did not seem exciting, this probably came across.