Blockchain Security Lead

Galaxy

Blockchain Security Lead overseeing security posture for blockchain systems and protocols. Mentor engineers while leading strategy and guiding security measures across products.

Posted 6/11/2026full-timeRemote • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

CloudDockerKubernetesRustSDLCSolidityWeb3

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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

Benefits

Comp & perks

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

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

blockchain securitysmart contract securitySolidityRustsecure SDLCthreat modelingapplication architecture reviewsecure coding practicescode reviewcloud-native infrastructure

Soft Skills

leadershipmentoringcommunicationproblem solvingstrategic ownershipdetail-orientedpragmaticteam performance improvement