John Robinson

John Robinson is an experienced cybersecurity professional specializing in penetration testing and operations management. Currently serving as a Penetration Tester and Operations Manager at Gray Tier Technologies, LLC since March 2018, John previously held similar roles as a Penetration Tester at Booz Allen Hamilton from June 2017 to March 2018 and at ASRC Federal Vistronix from June 2016 to June 2017. Prior to these positions, John worked as an Information Systems Security Officer at King Fisher Systems Inc. and served in the US Army from November 2011 to November 2015, where responsibilities included leading signal systems support for a combat infantry unit and coordinating efforts with military and civilian contractors.