Security Engineer

🕒 Maio 14

🇺🇸 Estados Unidos – Remoto (EUA)

💵 $140.000 - $190.000 / ano

⏰ Tempo Integral

🟡 Pleno

🟠 Sênior

👮‍♂️ Cibersegurança / Engenheiro de Segurança

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Mysten Labs

SiteLinkedInTodas as Vagas

51 - 200 funcionários

Fundada em 2021

🌐 Web 3

🎮 Jogos

₿ Cripto

💰 Series B em 2022-09

Web 3 • Gaming • Crypto

A Mysten Labs é uma empresa focada na construção de infraestrutura crítica para possibilitar uma internet mais descentralizada. Eles estão desenvolvendo plataformas e protocolos de próxima geração, como Sui, uma plataforma Web3 com a facilidade do Web2, além de outras inovações, como protocolos de armazenamento descentralizado e disponibilidade de dados. A Mysten Labs também oferece produtos voltados para desenvolvedores e entusiastas do Web3, incluindo sistemas de comércio descentralizado e dispositivos de jogos interativos. Seus esforços de pesquisa e desenvolvimento incluem criptografia e novas linguagens de programação. O objetivo da empresa é reformular o futuro da internet e expandir as possibilidades do Web3 com soluções fáceis de usar.

Descrição

• Maintain and improve the custody systems that hold validator keys, operational keys, and important objects for Mysten-run smart contracts and general on-chain operations, including key generation, storage, access controls, signing workflows, aggregation, rotation, and recovery procedures • Harden the signing path end-to-end: review and improve the code, infrastructure, and operational practices around how transactions are authorized, reviewed, and submitted on-chain • Build and improve anti-scam and anti-abuse tooling for the Sui ecosystem, detecting phishing sites, malicious dApps, drainer contracts, and other threats that target Sui users, and partnering with wallet ecosystem teams on mitigations. • Conduct code and design reviews of components that interact with sensitive keys or handle on-chain assets, with a focus on cryptographic correctness, access control, and operational safety • Participate in investigation and response for security issues and incidents that touch custody or ecosystem abuse, and drive concrete fixes that prevent the same class of issue from recurring

🎯 Requisitos

• 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.

🏖️ Benefícios

• Comprehensive health insurance including medical, dental, and vision covered for you and your dependents; including Tax Savings Benefits such as HSAs and FSAs. • 18 weeks of paid Parental Leave • Complimentary access to wellbeing programs, such as family planning support, gender affirming care, and hormone replacement therapy as well as physical fitness/nutrition apps. We also provide mental health support and counseling and EAP (Employee Assistance Program) for financial/legal assistance, home life referrals, and more • Short Term and Long Term Disability coverage as well as Life Insurance and Accident Insurance, and other coverage options. • Traveler Insurance • 401(k) • Complimentary privacy protection service • Wellness stipend • Flexible paid time off and 11 paid holidays per year • Team offsites and annual all-company retreat