Senior Security Architect: Cloud, AI & Infrastructure

Fannie Mae; Reston (VA); On-site; USD 200,000 - 269,000; Full time

Job summary

FannieMae is seeking a highly experienced Principal Security Engineer to serve as a senior technical authority for enterprise infrastructure security. This role leads architecture, design, implementation, and ongoing support across cloud, on‑premises, and AI environments.

You will shape security strategy and automate controls to enable resilient technology delivery. The position emphasizes cloud security, zero-trust, secure AI pipelines, and mentorship of engineers, with clear collaboration

Qualifications

• 8 years of experience in cybersecurity engineering or related discipline.
• Hands-on security for AWS, Google Cloud, and Microsoft Azure.
• Experience securing Windows and Linux servers, containers, Kubernetes, and cloud-hosted workloads.

Responsibilities

• Lead evaluation, architecture, implementation, integration, and lifecycle support of enterprise security solutions across cloud, network, server, and AI environments.
• Provide principal-level technical direction for projects, products, platforms, and infrastructure; identify systemic risks and drive remediation.
• Develop strategic recommendations on security technologies, architecture, and long-term direction.
• Mentor engineers and influence decisions across teams without direct authority.

Skills

Cybersecurity engineering

Cloud security

Infrastructure security

Threat modeling

Leadership without authority

Education

Bachelor's degree

Tools

Terraform

CloudFormation

Bicep

ARM templates

SIEM

EDR

Job description

FannieMae is seeking a highly experienced Principal Security Engineer to serve as a senior technical authority for enterprise infrastructure security. This role leads architecture, design, implementation, and ongoing support across cloud, on‑premises, and AI environments.

You will shape security strategy and automate controls to enable resilient technology delivery. The position emphasizes cloud security, zero-trust, secure AI pipelines, and mentorship of engineers, with clear collaboration