Enterprise Security Engineer

Responsibilities

• Build and operate the identity system, including lifecycle automation, access governance, SSO/SCIM onboarding, and phishing-resistant MFA.
• Manage and harden the endpoint fleet through centralized device management, baseline configuration, and compliance enforcement as code.
• Operate endpoint detection and protection using EDR platforms to tune posture and reduce vulnerability exposure.
• Develop automation and agentic AI systems to eliminate manual security tasks such as access reviews, onboarding/offboarding, and audit evidence collection.
• Partner with detection and response teams to deliver high-fidelity identity and endpoint telemetry to monitoring systems.
• Establish secure-by-default standards for SaaS and enterprise tooling, including emerging AI tools.

Requirements

• 5+ years of IT or security engineering experience in fast-paced technology companies.
• Deep hands-on Okta expertise, specifically with SAML/OIDC, SCIM provisioning, and API-driven automation.
• Experience with endpoint management at scale using Jamf (macOS hardening) and familiarity with Windows management.
• Experience operating EDR platforms, such as CrowdStrike Falcon.
• Strong scripting and automation skills in Python, Go, or TypeScript.
• Proven track record of building agentic AI systems to automate complex workflows.
• Ability to work in-person in our downtown Toronto office four days per week.

About the Company

Opendoor is building the most trusted housing platform to set a new standard for how people move. By combining proprietary data with the power of artificial intelligence, we make online home buying and selling radically simple. Our Security Engineering team applies software engineering and AI to build intelligent guardrails that protect our customers and employees while enabling high engineering velocity.