In 1982, he returned to Israel to join the First Lebanon War. He did not participate in combat, but joined his friends at Lake Qaraoun in Lebanon, in 1983, after completing his master's degree, he returned to Israel and served as CEO of Magal Systems for five years, after which he returned to the United States and became CEO of “Safeguards Technology”, and later acquired it. Levy holds security businesses, where, among others, he is responsible for the security of nuclear reactors and military bases of the US Navy and the US Air Force. He was also responsible for the security of Camp David, nuclear reactors in Canada and the O’Hare International Airport in Chicago. in 1966, along with Zvika Greengold and entrepreneur Israel Lang, he purchased the Saslov Winery, and appointed his daughter, Sigal Levy, as CEO of the winery.