Senior InfoSec Architect: Threat Modeling & Cloud AI

Idexcel; Reston (VA); On-site; USD 180,000 - 240,000; Full time

Job summary

Idexcel is seeking a Senior Information Security Architect to focus on Threat Modeling for Agentic AI applications. The role will architect security across IaaS, SaaS and in-house apps, leading threat modeling activities and translating threats into concrete controls.

The candidate will collaborate with product owners and enterprise architects, leveraging AWS, IAM, data security, and DevSecOps practices to ensure compliant cloud architectures aligned with NIST, OWASP and other standards.

Qualifications

• Must have experience Threat Modeling using industry frameworks and evaluating security controls for AI applications.
• Deep expertise in STRIDE, attack trees, abuse/misuse cases, data-flow and trust-boundary analysis.
• Experience threat modeling complex applications, APIs, cloud, SaaS, and distributed architectures.

Responsibilities

• Lead the security architecture and Threat Modeling across multiple projects including IaaS, SaaS and in-house apps.
• Collaborate with product owners and Enterprise Architect teams to translate threats into architectural security controls.

Skills

Threat Modeling

STRIDE Analysis

Data Security

IAM/AuthN/AuthZ

AWS Architecture

DevSecOps

Container Security

Cloud Security

AI Security

Job description

Idexcel is seeking a Senior Information Security Architect to focus on Threat Modeling for Agentic AI applications. The role will architect security across IaaS, SaaS and in-house apps, leading threat modeling activities and translating threats into concrete controls.

The candidate will collaborate with product owners and enterprise architects, leveraging AWS, IAM, data security, and DevSecOps practices to ensure compliant cloud architectures aligned with NIST, OWASP and other standards.