Sr. Advisory Security Architect

Responsibilities

• Architect, design, and implement secure infrastructure solutions across Windows, RHEL Linux, virtualization, storage, and networking technologies in classified environments.
• Develop cybersecurity and infrastructure architectures from concept through deployment, integrating security controls, systems hardening, and DISA STIG compliance.
• Carry out architecture assessments to identify risks, gaps, and mitigation strategies; ensure designs support mission needs, scalability, resilience, and operational readiness.
• Lead RMF and ATO-aligned systems engineering activities, including compliant infrastructure design, control implementation, documentation, and remediation.
• Design secure network segmentation, access control strategies, virtualization architectures, and system integration approaches.
• Implement centralized logging, monitoring, auditing, and SIEM solutions to enhance visibility and security posture.
• Support resilience initiatives through backup, recovery, failover, and continuity architecture for mission-critical systems.
• Develop technical architecture documentation, infrastructure standards, and repeatable deployment processes.
• Collaborate closely with engineering, cybersecurity, ISSO, and mission teams to drive secure, integrated infrastructure solutions and modernization initiatives.
• Provide technical leadership during architecture reviews, incident investigations, and complex implementation efforts.

Requirements

• Must be a U.S. Citizen with an active U.S. Dept. of Defense Secret clearance (minimum), must also be TS/SCI eligible.
• Ability to travel up to 50%.
• BS in IT, Cybersecurity, Computer Science, Information Systems, Data Science, or Software Engineering.
• 6+ years of experience in enterprise infrastructure or security architecture within DoD or classified environments.
• Demonstrated experience designing secure enterprise infrastructure and supporting RMF/ATO accreditation.
• Expertise in secure Windows, RHEL Linux, enterprise virtualization, network segmentation, and infrastructure engineering.
• Strong understanding of networking, systems architecture, security integration, and risk mitigation.
• Proficiency with DISA STIGs, systems hardening, and security compliance.
• Experience designing or integrating SIEM and enterprise monitoring solutions.
• Ability to develop technical documentation and independently drive technical decisions.
• CompTIA CASP+, CISSP, or equivalent DoD 8140 DCWF 652 Intermediate certification.

Qualifications

• Required: Must be a U.S. Citizen with an active U.S. Dept. of Defense Secret clearance (minimum), must also be TS/SCI eligible.
• Preferred: Experience as a Security Architect, Systems Engineer, Infrastructure Engineer, or Enterprise Architect in DoD environments.
• Preferred: Experience supporting Navy mission systems, classified enclaves, or enterprise mission infrastructure.
• Preferred: Familiarity with OT, weapon systems, proprietary software integration, and RDT&E network environments.
• Preferred: Experience with VMware, Hyper-V, Nutanix, or similar enterprise virtualization platforms.
• Preferred: Experience leading greenfield infrastructure deployments.
• Preferred: GIAC GDSA, GICSP, ISC2 ISSAP, or other DoD 8140 DCWF 652 Advanced certification.
• Preferred: Expertise in Zero Trust architecture design and implementation for DoD agencies.