Protocol Security Engineer

Responsibilities

• Break things on purpose through threat modeling and review of Solidity contracts and Rust state transition functions
• Own the secure architecture and implementation of protocol components from design to production
• Track industry hacks and exploits to convert lessons into system improvements
• Embed secure-design practices across development teams
• Apply AI systems to scale security work
• Participate in security investigations and incident response

Requirements

• Demonstrated record in security engineering or research
• Proficiency in strongly typed languages such as C++, Go, or Scala
• Deep grounding in algorithms and data structures
• Experience with protocol-level debugging and root-cause analysis on distributed systems
• Working knowledge of recent blockchain security incidents
• Clear written and spoken English

Preferred Qualifications

• Hands-on experience with Solidity smart contracts, ZK circuits, or core blockchain protocols
• Public security research, audit reports, or bug-bounty results
• CTF history

About the Company

Matter Labs builds private settlement infrastructure that lets regulated institutions settle directly with each other without exposing data. Their core product, Prividium, uses zero-knowledge proofs to provide private settlement environments for institutional finance.