Bitcoin Security Engineer
Core
Hands-on offensive security engineer validating and hardening Strategy's bitcoin holdings, custody relationships, and supporting infrastructure through adversarial testing and research.
Role type
Senior individual-contributor Bitcoin Security Engineer (Offensive Security)
Builds
Adversarial simulations, penetration test reports, custom security tooling, and threat models for institutional bitcoin custody.
Domain
Cryptocurrency (Bitcoin) Security, Cryptography, Hardware Security, Blockchain Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Penetration testing, red-teaming, cryptographic system analysis, hardware wallet testing, exploit development, threat modeling, security research, tooling automation
Preferred skills
Blockchain security expertise, smart contract assessment, side-channel analysis, supply chain security evaluation
Technologies
Bitcoin protocol, MPC, HSMs, Python, Rust, C/C++, Go, fuzzers
Responsibilities
Execute penetration tests on wallet architectures and signing ceremonies; test hardware wallets and cryptographic primitives; assess custodian security postures; develop custom security tooling and fuzzers; produce technical reports with proof-of-concept exploits; conduct original security research and community engagement.
Seniority
Senior, hands-on IC