Tim Greer

Tim Greer is an accomplished cybersecurity professional with extensive experience in engineering and risk management. Currently serving as a Cyber Security Transformation Engineer and Principal Cyber Security Engineer at Leidos since August 2017, Tim Greer has a strong background in the Risk Management Framework (RMF) and holds a DoD TS/SCI clearance. Prior roles include Principal Cybersecurity Engineer at Blackstone Systems LLC from May 2019 to July 2024, and Principal Engineer at Lockheed Martin Corporation from February 2001 to August 2017. Tim Greer also served as Manager of OSS Integration at ADC from 1996 to 2001 and began a career as an Engineer at Westinghouse Electric Company in 1992. Tim Greer is Certified Information System Security Professional (CISSP) through (ISC)2 and earned a BS in Engineering from Penn State University.