Senior Advisory Security Architect

FTI - Frontier Technology Inc.

Senior Advisory Security Architect at FTI designing secure infrastructure for U.S. Navy operations.

Posted 6/5/2026full-timeHuntsville • Alabama • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinuxVMware

About the role

Key responsibilities & impact

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.
Conduct 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.
Travel up to 50%, typically in 1–2 week trips. Common destinations include Pt. Mugu, CA.

Requirements

What you’ll need

Must be a U.S. Citizen with an active U.S. Dept. of Defense Secret clearance (minimum)
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.
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 (preferred)

Benefits

Comp & perks

N/A 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

cybersecurity architectureinfrastructure architecturesecure WindowsRHEL Linuxenterprise virtualizationnetwork segmentationsystems hardeningDISA STIG complianceSIEM solutionstechnical documentation

Soft Skills

technical leadershipcollaborationrisk mitigationindependent decision making

Certifications

CompTIA CASP+CISSPGIAC GDSAGICSPISC2 ISSAP