Director, Security Architecture & Threat Modeling

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We’re looking for a hands-on and strategic Director, Application Security Architecture & Threat Modeling to help shape secure-by-design principles across our SaaS platforms, cloud environments, and AI-enabled products.

In this role, you’ll partner closely with Engineering, Product, Cloud Operations, Architecture, AI, and Security teams to embed security early in the development lifecycle. You’ll lead application security architecture, threat modeling, secure design reviews, and AI security initiatives while helping teams build scalable, resilient, and secure solutions.

This is a highly visible leadership role reporting directly to the VP & Chief Information Security Officer.

• Define and execute the Security Architecture and Security-by-Design strategy and roadmap.
• Establish secure reference architectures, design standards, and security patterns for cloud-native and AI-enabled solutions.
• Partner with Engineering and Product teams to embed security into development workflows and system design decisions.
• Drive adoption of secure-by-design best practices by embedding security requirements in epics, user stories and the AI SLDC.

• Produce actionable threat modeling artifacts including data flow diagrams, trust boundary analysis, abuse cases, attack paths, security requirements, technical specifications, design risks, remediation actions, and residual risk documentation.
• Analyze recurring vulnerabilities, penetration test results, incident learnings, and security assessment findings to identify systemic design flaws and improve secure architecture standards.
• Lead threat modeling activities across critical applications, platforms, and AI-enabled systems.
• Identify architectural risks, attack paths, abuse cases, and trust boundary concerns.
• Translate threats into actionable security requirements and remediation guidance.
• Build reusable threat models, security patterns, and design libraries that scale across engineering teams.

• Guide teams on secure design principles, risk-based decision making, and security tradeoffs.
• Review distributed systems, microservices, cloud-native architectures, APIs, mobile applications, and identity solutions.
• Support remediation efforts and validate architectural fixes for security findings.

• Conduct architecture reviews across AWS, Azure, and IBM Cloud environments.
• Assess containerized, Kubernetes, serverless, and AI-enabled architectures.
• Define cloud security guardrails, governance models, and secure deployment patterns.
• Partner with AI teams to evaluate security risks within LLM-enabled products and agentic workflows.

• Collaborate with Security, Engineering, Architecture, Legal, Compliance, and Product stakeholders.
• Develop security standards, training, and architecture guidance.
• Communicate architectural risk and security recommendations to technical and executive audiences.