Blockchain Security Lead

We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be.

• Seek Excellence.
• Be Selective To Be Effective.
• Be Highly Aligned, Loosely Coupled.
• Disagree Transparently.
• Encourage Independent Decision-Making.
• Build Dream Teams.

The Blockchain Security Lead owns the security posture of on-chain systems and protocols across the organization. This role blends strategic leadership with deep hands-on expertise, overseeing a small team of blockchain security engineers while actively contributing to design reviews, threat modeling, and code audits.

You’ll partner closely with on-chain product and engineering teams to embed security into architecture, development, and operations—building scalable, reusable security controls that grow with the business.

• →Lead, mentor, and grow a team of blockchain security engineers.
• →Define and evolve the blockchain security strategy and roadmap.
• →Serve as a trusted security partner to product, protocol, and infrastructure teams.
• →Lead threat modeling and architecture reviews for on-chain systems.
• →Perform and guide security reviews and audits of smart contracts (Solidity, Rust/Solana) and backend services and supporting infrastructure.
• →Design and implement reusable security controls, patterns, and reference architectures.
• →Support secure deployment of cloud-native infrastructure (containers, Kubernetes).
• →Research emerging blockchain threats, exploits, and mitigations, and translate them into actionable controls.
• →Embrace and champion the thoughtful adoption of AI to improve team performance and business outcomes.
• →Leverage AI tools (e.g., generative AI, automation platforms, data copilots) to improve productivity, decision-making, and output quality in your day-to-day work.

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience)
• 10+ years of security software engineering experience
• 5+ years working with blockchain technologies
• 5+ years working with smart contract security across multiple chains
• Experience leading or mentoring a small, highly technical team
• Published material on vulnerabilities/security bugs within the Web3 community
• Expertise in secure SDLC, threat modeling, and application architecture review
• Multi agent code reviews for vulnerabilities using frontier models
• Secure coding practices and in-depth code review capability
• Strong familiarity with smart contracts (Solidity, Rust), cloud-native environments (Docker, Kubernetes), authentication and authorization, TLS/PKI, and cloud, infrastructure, and network security
• Clear, confident communicator across technical and non-technical audiences
• Comfortable balancing hands-on execution with strategic ownership; detail-oriented, pragmatic, and strong in problem solving under ambiguity