KBR Principal Technical Professional-mechanical interview questions

En general the questions were about my previous experiences and the type of duties developed in the different previous positions. At the time of interview my experience was 30 years experience in the engineering field. Four engineers participated in the interview. It was in Houston Office and I passed in the different offices and each one made questions at the end I passed to the manager's office and he asked me if I had some doubts and the interview concluded.