Responsibilities

  • Lead, mentor, and grow a team of blockchain security engineers.
  • Define and evolve the blockchain security strategy and roadmap.
  • Partner with product, protocol, and infrastructure teams on security.
  • Lead threat modeling and architecture reviews for on-chain systems.
  • Perform and guide security reviews and audits of smart contracts (Solidity, Rust/Solana), backend services, and supporting infrastructure.
  • Design and implement reusable security controls, patterns, and reference architectures.
  • Support secure deployment of cloud-native infrastructure, including containers and Kubernetes.
  • Research emerging blockchain threats, exploits, and mitigations, and translate them into actionable controls.
  • Use AI tools and automation to improve productivity, decision-making, and output quality.

Requirements

  • 10+ years of security software engineering experience and 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 or security bugs within the Web3 community.
  • Expertise in secure SDLC, threat modeling, and application architecture review.
  • Experience with 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 communication across technical and non-technical audiences; able to balance hands-on work with strategic ownership and solve problems under ambiguity.
  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.

Nice to have

  • Exposure to Solana, staking systems, or similar Layer 1 protocols.
  • Experience at a blockchain security audit firm.
  • 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.

Work format: Remote.