165K–225K USD / year

Senior Security Engineer, DeFi

BlockchainRemote — USA
Published on 2026-09-23
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.

About this role

Mysten Labs is looking for a Senior Security Engineer to enhance the security of the Sui DeFi ecosystem. The role involves identifying vulnerabilities, building monitoring tools, and ensuring compliance with security recommendations across protocols. Collaboration with external teams and in-depth analysis to mitigate risks are key responsibilities.

About the company

Mysten Labs is a technology company specializing in blockchain and decentralized finance solutions. They focus on developing infrastructure and products that enhance the interoperability and efficiency of digital assets for developers and enterprises.

The team

Security

Stack

TypeScriptPythonRust

What you'll do

  • Monitor the Sui DeFi ecosystem for security and economic risks
  • Extend security team tooling and static analysis
  • Drive compliance with DeFi security recommendations
  • Hunt for critical vulnerabilities in major protocols
  • Act as a contact for external DeFi teams and products
  • Document findings and create actionable reports

What we're looking for

  • Bachelor's degree in Computer Science or related field
  • 3+ years of experience in security engineering or smart contract security
  • Strong understanding of DeFi mechanics
  • Proficiency in TypeScript and Python
  • Ability to analyze smart contract code
  • Strong communication skills
  • Interest in web3

Nice to have

  • Experience with Sui and Move
  • Knowledge of DeFi exploit history
  • Experience with LLM agents in analysis tools
  • Experience in static or dynamic program analysis
  • Background in quantitative modeling
  • Publications or talks in relevant fields

Benefits

  • Comprehensive health insurance
  • 18 weeks of paid parental leave
  • Wellbeing programs and mental health support
  • 401(k) plan
  • Flexible paid time off
  • Team offsites and company retreats
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