Blockchain Security Lead

You own the security posture of on chain systems and protocols across the organization. You blend strategic leadership with hands on expertise while guiding a small team of blockchain security engineers and actively contributing to design reviews threat modeling and code audits. You will 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.

Responsibilities

• 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 to improve productivity, decision making, and output quality in day to day work.

Requirements

• 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

Benefits

• Hybrid/Flexible Working Arrangements
• Flexible Time Off (paid)
• 3% 401(k) company contribution
• Company-paid health and protective benefits for employees, partners, and other dependents
• Generous paid Parental Leave
• Competitive family planning benefits for US employees
• Opportunities to learn about the Crypto industry
• Smart entrepreneurial and fun colleagues
• Free daily snacks and weekly breakfasts lunches
• Employee Resource Groups
• Free coaching and counseling sessions through Headspace