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Walter Lewis is a seasoned security professional with extensive experience in information security and program management. Currently serving as a Senior Security Engineer at PMI Worldwide since June 2021, Walter has previously held positions such as Information Security Analyst at Tableau Software and Costco Wholesale, as well as Technical Program Manager and Senior Information Security Engineer at Broad Institute. Walter's background includes significant roles at HQ Air Force Cyber Command, where as Floor Manager for Network Defense, operational oversight for a $16 billion network was provided. Walter's expertise also encompasses system security package development for protecting national assets at Ticom Geomatics and the approval of system accreditation packages at HQ Air Force Space Command. Starting a career in the United States Air Force, Walter led the implementation of security measures for classified and unclassified systems.