He is a construction magnate and Chairman and CEO of the Tutor Perini Corporation, one of the largest general contractors in the United States. In January 2009, the corporation acquired Philadelphia-based building contractor Keating. In 2010, Walt Disney Co. sold Miramax Films to Tutor’s Filmyard Holding investor group for $660 million.

As the Executive Vice President and Chief Operating Officer of Sotheby’s International Realty’s West Region, Symons is responsible for setting up Sotheby’s Beverly Hills hub. Additionally, he oversees 26 offices throughout the region and is instrumental in Sotheby’s consistent acquisition of other firms in the region. He has also earned a reputation as a philanthropist in the local community.