well on top of my head it's boeing, lockheed, raytheon for private; cia, nsa for public (govt). you may google current openings they may have, and during scree

well on top of my head it's boeing, lockheed, raytheon for private; cia, nsa for public (govt). you may google current openings they may have, and during screening interviews you may inform them about your experience and skills and they may inform you if there's any fitting role for you. it's also tough to answer which one is the best because the info you need to answer that question is rarely publicly available.