Blockchain Security Lead

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 (Solidity, Rust/Solana) and backend services
• Design and implement reusable security controls, patterns, and reference architectures
• Support secure deployment of cloud-native infrastructure
• Research emerging blockchain threats, exploits, and mitigations
• Leverage AI tools to improve productivity and decision-making

Requirements

• Bachelor’s degree in Computer Science, Engineering, or related field
• 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
• Proficiency in Solidity, Rust, Docker, and Kubernetes
• Strong understanding of authentication, authorization, TLS/PKI, and network security

Preferred Qualifications

• Direct exposure to Solana, staking systems, or similar Layer 1 protocols
• Prior 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

About the Company

Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence.