Opendoor

Infrastructure Security Engineer

Opendoor
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1 hour ago
Toronto, CanadaSenior

Responsibilities

  • Own the security architecture of Opendoor’s production cloud environment across AWS accounts, Kubernetes clusters, Terraform-managed infrastructure, and the identity plane.
  • Build and operate cloud security visibility and protection capabilities integrated with engineering workflows and automated remediation.
  • Define and drive zero-trust access strategies using device trust and identity-aware proxies.
  • Harden Kubernetes through RBAC, admission policies, workload identity, runtime protection, image signing, and base-image strategy.
  • Build agentic detection and response workflows and operate cloud detection engineering using AWS security services, Datadog, and incident response playbooks.
  • Drive shift-left cloud security through Terraform/Terrakube, GitHub Actions, and Elastic Container Registry.
  • Partner with Infrastructure on VPC architecture, ingress, secrets management, service identity, and multi-cloud identity integrations.
  • Mentor engineers and turn cloud security patterns into automated guardrails.

Requirements

  • At least 5 years of cloud or infrastructure security experience with deep AWS expertise.
  • Strong programming skills in at least one of Go, Python, or TypeScript, plus the ability to read and write Terraform and shell scripts.
  • Hands-on Kubernetes security experience covering RBAC, network policies, admission control, workload identity, image security, and supply-chain security.
  • Experience deploying and operating cloud posture and workload protection tooling such as Wiz, Prisma, Orca, Datadog, CrowdStrike Falcon Cloud, or Lacework.
  • Demonstrated ability to build identity and access management solutions at scale.
  • Experience building agentic systems that replace reactive security work and a strong automation-oriented mindset.
  • Preferred experience with zero-trust network access, detection engineering, threat modeling, AI or machine-learning pipeline security, compliance frameworks, and open-source cloud security tooling.
  • Ability to work autonomously in ambiguous environments and collaborate effectively with product and infrastructure engineers.

Benefits

  • The role is based in Opendoor’s downtown Toronto office and requires in-person work four days per week: Monday, Tuesday, Thursday, and Friday.
  • Candidates must live within commuting distance of the office.

Categories

Opendoor

About Opendoor

1,001-5,000 employees

Founded in 2014, Opendoor’s mission is to power life’s progress one move at a time. The traditional real estate process is broken and our goal is simple: fix it. We are building a digital, end-to-end customer experience that makes buying and selling a home simple, certain, and fast. We have assembled a dedicated team with diverse backgrounds to support more than 250,000 customer transactions across 50 markets in the U.S. But the work is far from over. Transforming the real estate industry takes tenacity and dedication. It takes problem solvers and builders. It takes a tight-knit community of teammates doing the best work of their lives, pushing one another to transform a complicated process into a simple one. So where do you fit in? Whether you’re passionate about real estate, people, numbers, words, code, or strategy -- we have a place for you. For more information, please visit www.opendoor.com Keep up with latest Opendoor news and reports: https://linktr.ee/opendoorhq

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