SMX is seeking a highly experienced **IT Subject Matter Expert (SME) / Chief Security Architect (CSA)** to support a mission-critical federal program in Washington, DC. This individual will serve as the principal technical authority and strategic cybersecurity advisor responsible for leading security architecture, Risk Management Framework (RMF) implementation, authorization strategy, and AI-enabled security modernization initiatives.

The selected candidate will function as a recognized authority in cybersecurity architecture, enterprise authorization, security automation, and governance. As the Chief Security Architect, this individual will translate evolving federal cybersecurity requirements, Executive Orders, agency policies, and emerging technologies into actionable security standards, architectures, templates, and automation capabilities that improve mission outcomes.

This position will lead the design, development, and implementation of the Intelligent Author...