Blockchain Security Lead
Own the security posture of on-chain systems and protocols across the organization, combining strategic leadership with hands-on expertise while guiding a team of blockchain security engineers and contributing to design reviews, threat modeling, and code audits.
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 and 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.
- Champion thoughtful adoption of AI to improve team performance and business outcomes.
- Leverage AI tools to improve productivity, decision-making, and output quality.
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 or 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 Solidity, Rust, Docker, Kubernetes, authentication and authorization, TLS/PKI, cloud infrastructure, and network security.
- Clear, confident communication across technical and non-technical audiences.
- Ability to balance hands-on execution with strategic ownership and solve problems under ambiguity.
- Direct exposure to Solana, staking systems, or similar Layer 1 protocols is a bonus.
- Experience at a blockchain security audit firm, financial services or institutional crypto security, DeFi protocol security, key management, custody architectures, or crypto security programs is a bonus.
Benefits
- Competitive base salary and discretionary bonus
- Hybrid/Flexible Working Arrangements
- Flexible paid time off
- 3% 401(k) company contribution
- Company-paid health and protective benefits for employees, partners, and 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 and lunches
- Employee Resource Groups
- Free coaching and counseling sessions through Headspace