
CLEARANCE LEVEL 4
Marcus Johnson
Infrastructure Security Lead
Marcus Johnson brings military-grade security discipline to Cyberez's infrastructure. After serving 8 years as a Cyber Operations Specialist in the US Army, including deployments securing critical infrastructure, Marcus transitioned to civilian tech. His military experience with air-gapped networks and adversarial thinking proved invaluable during the 2023 daemon incidents. Marcus architected Cyberez's zero-trust infrastructure using lessons learned from defending DoD networks against nation-state actors.
Career Timeline
Infrastructure Security Lead
Cyberez Systems
2019-PresentSenior Cloud Security Architect
Google Cloud
2016-2019Infrastructure Security Engineer
Netflix
2013-2016Defense Contractor - Security Engineer
Booz Allen Hamilton
2010-2013Cyber Operations Specialist
US Army
2005-2010Information Systems Specialist
US Army
2002-2005Daemon Interaction Log
Security Certifications
CISSP - Certified Information Systems Security Professional
TS/SCI Clearance (Inactive)
US Army Cyber Operations Badge
Google Cloud Professional Cloud Security Engineer
AWS Certified Solutions Architect - Professional
CKS - Certified Kubernetes Security Specialist
Notable Achievements
Designed zero-trust architecture handling 100K+ requests/second
Prevented daemon corruption of core infrastructure in 2023
Reduced infrastructure vulnerabilities by 71%
Published "Infrastructure Hardening in the Daemon Age"
Built automated security scanning for 10,000+ systems