Head of Blockchain Security
Core
Own and elevate end-to-end security posture for blockchain infrastructure, custody systems, and smart contract protocols.
Role type
Head of Blockchain Security (Strategic IC)
Builds
Scalable security frameworks, automated monitoring/alerting systems, and emergency response workflows for multi-chain environments.
Domain
Blockchain / Digital Assets / Cybersecurity
Deliverable
production ML models | product features | infrastructure
Required skills
Smart contract auditing (Solidity, Rust, Move), Penetration testing, Threat modeling, Applied cryptography, Network/protocol fundamentals, Institutional custody assessment, Multi-chain ecosystem knowledge (Ethereum, Solana, Stacks, Sui), Cloud native architectures (AWS, Azure, GCP)
Preferred skills
Offensive security certifications (OSCP, OSWE, OSCE), Public security research track record
Technologies
Solidity, Rust, Move, C/C++, Linux, AWS, Azure, GCP
Responsibilities
Lead architectural reviews and security audits of smart contracts; Produce technical risk reports and advise protocol founders/engineering leads; Build and maintain blockchain monitoring and automated detection systems; Design and operate automated emergency exit workflows; Conduct technical assessments of custody systems and vendor infrastructure; Build repeatable security frameworks for organizational scaling
Seniority
Senior, hands-on IC with strategic leadership