This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Security Engineer, Walrus based in United States. This is a Staff-level security engineering role serving as the primary security partner for a high-impact decentralized storage platform.You’ll shape security architecture from the earliest design stages through deployment, helping engineering teams build secure systems by default.The role combines hands-on security engineering, architectural assessment, automation, and strategic security leadership.You’ll identify complex risks across infrastructure, applications, and cryptographic systems while developing practical remediation strategies.You’ll also use AI-driven security tooling and advanced automation to improve detection and remediation at scale.Working closely with engineering leadership, you’ll influence the security roadmap while balancing strong security practices with product velocity.The role offers significant technical influence, mentorship opportunities, and the chance to help establish security standards across a fast-growing Web3 environment.