Infrastructure Security Engineer

Segment (Twilio)

Full-time IT & Technology
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Location
toronto, on, Canada
Posted
July 16, 2026

Job Description

About The Role

Our Security Engineering team builds intelligent systems that protect Opendoor and our customers while enabling unprecedented engineering velocity. We apply software engineering and AI to solve security problems across product, infrastructure, and operations by building guardrails where they matter, not gates where they don't.

What You’ll Do

  • Own the security architecture of our production cloud environment – AWS at the core, spanning multiple accounts, Kubernetes clusters, Terraform‑managed infrastructure, and the identity plane that ties everything together.
  • Evaluate, build out and operate our cloud security visibility and protection platform ensuring it’s deeply integrated into engineering workflows to drive the automated remediation of infrastructure risks.
  • Define and drive our zero trust access strategy, integrating device trust and identity‑aware proxies to provide seamless, secure access to Opendoor infrastructu...