Blockchain Security Lead

Senior Blockchain Security Lead. Remote. Lead and grow a team of blockchain security engineers, define security strategy, and conduct smart contract audits.

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. Nice to have: Direct exposure to Solana, staking systems, or similar Layer 1 protocols. Prior experience at a blockchain security audit firm (e.g., Trail of Bits, Halborn, Ottersec, Zellic). Background in financial services or institutional crypto security. Familiarity with DeFi protocol security, key management, and custody architectures. Experience contributing to or leading security programs at a crypto exchange, protocol foundation, or digital asset firm.

Remote work.