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Security Engineer

Mysten Labs - USA (Remote), United States

Posted May 14, 2026

Benefits

Parental leave
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Non-birth-parent leave
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Family-building benefits
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  • Adoption assistance: Not verified
  • Surrogacy assistance: Not verified
Mental health support
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Relocation assistance
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Childcare support
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Learning budget
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401(k) match
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Market context

U.S. role benchmark (BLS OEWS)
$111,944 U.S. median for this role
Projected growth (BLS Employment Projections)
+13.7% - Much faster than average

Matched to SOC 15-1252 - Data and ML aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Data From the posting source
Seniority
Mid From the posting source
Work mode
Remote From the posting source
In-office days
0 days From the posting source

Schedule

Shift type
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Weekend work
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Application

Cover letter
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Assessment
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Deadline
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Where they hire

State eligibility is not yet verified.

About this role

Security Engineer USA (Remote), United States Mysten Labs believes that decentralized and open protocols are the bedrock of the internet of value. This is why at Mysten Labs, we are creating foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies. Overview Security engineers own the operational and software security of the Sui blockchain, wallet, Move language, and other Mysten systems. Security engineers support and work closely with the engineers working on the sensitive components of these systems. In addition, they are the key points of contact for audit engagements and bug bounty reports. We are hiring security engineers now as we expand the ecosystem and production services. We have a strong team in protocol security, but we need experts in operational and software security who can help us navigate the challenges of running world class infrastructure. Responsibilities - 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

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