Security engineers own the operational and software security of the Sui blockchain, wallet, Move language, and other Mysten systems.
Requirements
- 3+ years of hands-on experience in security engineering, application security, or product security.
- Knowledge relevant to key management in production, for example HSMs, cloud KMS, MPC or threshold-signature systems, hardware wallets, or comparable custody infrastructure.
- Proficiency in one or more of: Rust, TypeScript, Python, or Move, and experience reviewing and writing security-sensitive code.
- Solid understanding of applied cryptography fundamentals and the common ways cryptographic systems are misused in practice.
- A builder mentality: comfortable operating with ambiguity, diving into unfamiliar codebases, and shipping the fix yourself rather than handing it off.
- Strong written and verbal communication: you can explain a finding or an issue clearly to the engineer who needs to fix it and to a non-technical stakeholder who needs to understand the risk.
- Interest in the web3 space is required; prior experience shipping in crypto, fintech, or other regulated/high-stakes environments is a plus.
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