Staff Security Engineer - Cloud & AI Platform (Remote)

Brookfield Properties (USA II) LLC; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

Brookfield Properties (USA II) LLC is seeking a Staff Security Engineer for our Cloud & AI Platform. This hands-on role guides security architecture across AWS, IaC, software delivery, and AI/agent systems, building secure by default patterns and reusable controls.

You will mentor engineers, define security standards, and partner with multiple teams to drive secure adoption. The role emphasizes threat modeling, secure software delivery, and robust identity security across cloud, CI/CD, and data

Qualifications

• 8+ years of production security or platform systems ownership.
• Deep experience with AWS security across IAM, multi-account environments, logging, KMS, networking.
• Experience securing CI/CD systems such as GitHub Actions.
• Ability to influence teams and turn security needs into implemented controls.

Responsibilities

• Define security architecture for cloud and AI platforms across AWS and IaC.
• Review designs for authorization, data protection, secrets, and tenant isolation.
• Build reusable security controls in Terraform/OpenTofu with safe rollout and monitoring.
• Lead threat modeling and security design reviews for web apps, APIs, and agentic systems.

Skills

AWS security

Terraform/OpenTofu

CI/CD security

Threat modeling

Identity & access

Job description

Brookfield Properties (USA II) LLC is seeking a Staff Security Engineer for our Cloud & AI Platform. This hands-on role guides security architecture across AWS, IaC, software delivery, and AI/agent systems, building secure by default patterns and reusable controls.

You will mentor engineers, define security standards, and partner with multiple teams to drive secure adoption. The role emphasizes threat modeling, secure software delivery, and robust identity security across cloud, CI/CD, and data