Senior Director of Security Architecture and Engineering (Public Sector)

Lumen is a company that connects the world by igniting business growth through secure data and application connections. They are seeking a Senior Director of Security Architecture & Engineering to lead cybersecurity architecture and engineering for their Public Sector portfolio, ensuring compliance with federal security standards and guiding modernization efforts.

Responsibilities:

• Set the vision and multi‑year roadmap for public‑sector security architecture and secure service delivery
• Provide executive oversight of network, cloud, identity, and data‑protection architectures aligned to FedRAMP and federal standards
• Lead compliance strategy across FISMA, RMF, FedRAMP ATOs, and continuous monitoring
• Represent Lumen as a senior technical SME with government CIO/CISO stakeholders and internal executives
• Drive modernization of security platforms, cloud migration, automation, and SOC/SIEM evolution
• Lead and develop a high‑performing team of security architects and engineers
• Partner closely with Product, Operations, Program Management, and Compliance to deliver secure, reliable, and compliant solutions

Requirements:

• 15+ years in cybersecurity or network engineering; 5–7+ years leading security architecture for mission‑critical or regulated environments
• Deep expertise in federal compliance frameworks (FISMA, NIST RMF, FedRAMP, TIC 3.0, CMMC)
• Broad technical mastery across cloud security, network architecture, identity, SIEM/SOC design, automation, and modern security platforms
• Strong executive communication and stakeholder‑management skills
• Proven ability to define strategy, build roadmaps, and drive cross‑functional execution
• Master's degree required; CISSP/CISM preferred. U.S. citizenship and federal suitability clearance required
• Financial acumen in budgeting, cost modeling, and investment planning
• CISSP/CISM preferred
• Secret+ clearance preferred