Cybersecurity Engineer

Secure the infrastructure behind a Bitcoin-native DeFi protocol by implementing security controls across CI/CD pipelines, node infrastructure, APIs, and employee systems. Own key management architecture for nodes, treasury accounts, and signing keys, and enforce zero-trust access policies. Conduct vulnerability assessments and penetration testing, build and maintain the incident response playbook, monitor cloud access anomalies, and train the team on crypto-native security hygiene.