Senior Blockchain Security Engineer

📋 Description

• Identify gaps in our Crypto-Security infrastructure and drive cross-function efforts to address them
• Perform security assessments, framework development, and threat modeling of assets, including various blockchain protocols, smart contracts, and other distributed ledger tech
• Partner with software engineering teams to advise on code and architecture for internal smart contract development
• Partner with internal tooling teams to drive the roadmap and vision for internal Coinbase blockchain security tools
• Identify automation opportunities in our tooling and processes, deliver a Proof of Concept, and write detail technical requirements
• Investigate impactful changes to the space, blockchain upgrades, and novel innovations such as zero-knowledge proofs and bleeding-edge blockchain protocols
• Publish blogs and give talks (internal and external) on newfound vulnerabilities, incident investigations, unique integration risks, and related topics

🎯 Requirements

• Strong understanding of blockchains (particularly EVM chains) and highly crypto-forward
• 4+ years of experience in security engineering, with significant focus on blockchain, distributed systems, or cryptographic infrastructure security
• Extensive experience in architecture and threat modeling of security-critical backend crypto systems
• Expertise in Application Security and cryptography, including applied knowledge of cryptographic primitives used in blockchain protocols (signing schemes, hash functions, zero-knowledge proofs, MPC)
• Familiar with all the fundamentals of onchain activity – blockchain explorers, funds tracing, bridging, DEXs, NFTs, smart contracts
• Familiar with restaking and the various EIPs currently being considered
• Ability to provide leadership and mentorship to coworkers
• Experience in a highly cross-functional role and/or leading a team
• Excellence in clear, direct, and kind communication with technical and non-technical stakeholders, including the ability to translate complex security risks into actionable guidance for leadership
• Experience with using AI/agentic tooling (Claude Code, Cursor, GPT Codex, etc.)
• Demonstrates the ability to responsibly use generative AI tools and copilots in daily workflows, continuously learn as tools evolve, and apply human-in-the-loop practices to deliver business-ready outputs and drive measurable improvements in efficiency, cost, and quality.
• Knowledge of security architecture of non-EVM based blockchains
• Deep understanding of cryptography such as zk-SNARKs, FHE and MPC
• Experience in at least one of: MongoDB, Snowflake, Databricks, Dune

🎁 Benefits

• Offsites held multiple times annually to foster collaboration
• Equal Opportunity Employer; inclusive hiring
• Reasonable accommodations available for disabilities
• In-person participation is required; hybrid/remote setup