Sr. Cybersecurity Architect - Active Top Secret

Provide subject-matter leadership for enterprise cybersecurity architecture across cloud security, identity, Zero Trust, network segmentation, application/container security, and monitoring. Define and govern secure architectures for hybrid on-prem/cloud and Microsoft 365 environments, establish standards and baselines aligned to NIST RMF and federal directives, and lead modernization initiatives with measurable outcomes. Coordinate cross-functional teams to ensure threat modeling, secure API design, encryption, secrets management, and security product validation.