Blockchain Security Lead

Who You Are:

The Blockchain Security Lead owns the security posture of on-chain systems and protocols across the organization. This role blends strategic leadership with deep hands-on expertise, overseeing a small team of blockchain security engineers while actively contributing to design reviews, threat modeling, and code audits.

You’ll 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.

What You’ll Do:

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.

What We’re Looking For:

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

Bonus Points:* *

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

What We Offer:

Competitive base salary and discretionary bonus

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

Apply now and join us as we grow the economy that runs on code.