Lead Cyber Security Architect

SFI is seeking a Lead Cyber Security Architect to design and oversee secure system architectures supporting both classified and unclassified environments. This individual will lead security engineering efforts across mission-critical platforms, driving compliance with DoD frameworks and embedding security throughout the product lifecycle.

Key Responsibilities

• Architect secure systems across cloud, on-prem, and hybrid infrastructures


• Lead threat modeling and security design reviews


• Develop zero trust architectures and defense-in-depth strategies


• Define secure CI/CD pipelines and supply chain risk management practices


• Guide ATO readiness and support accreditation efforts


• Collaborate with engineering, DevOps, and compliance teams


• Act as a subject matter expert for internal and external stakeholders


• Mentor junior security engineers and promote a strong security culture

Required Qualifications

• Bachelor's or Master's degree in Cybersecurity, CS, or related field


• 8+ years of experience in cybersecurity, with 3+ years in a lead/architect role


• Experience designing secure systems in defense or DoD settings


• Proficiency with NIST, RMF, Zero Trust, and secure cloud platforms (AWS GovCloud, Azure Gov)


• Knowledge of containerization (Kubernetes), IAM, and infrastructure as code


• U.S. citizenship and ability to obtain/maintain a Secret or TS/SCI clearance