Head of Security
About the role
About OpenSea
OpenSea is the gateway to web3's next chapter—where NFTs, fungible tokens, and emerging digital assets converge to create open, user-owned economies. As a foundational player in the crypto space, we're building infrastructure that supports millions of users and sets new standards for how people discover and exchange digital value.
Our team is small but mighty: hands-on, fast-moving, and deeply committed to shipping meaningful work. We're remote-first by design, AI-empowered by default, and guided by values that prioritize ownership, trust, and progress.
Role Overview
We're looking for a Head of Security to champion security for our team, platform, and millions of users. You will own security end-to-end: application, operational, and corporate with a focus on hands-on execution mixed with high-level strategy setting, shaping the security posture for one of the most prominent platforms in web3.
Responsibilities
- Take hands-on ownership of all aspects of security at OpenSea including threat detection/response, infra, application & organizational security
- Establish robust risk management processes, conducting regular assessments to identify vulnerabilities and implement mitigations