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Paxos Labs

Lead Security Engineer

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Description

You will elevate security across cloud infrastructure, operations, and smart contracts for a company building onchain financial products. The role includes internal audits, threat modeling, security tooling, incident response, training, and collaboration with smart contract and infrastructure teams.

Responsibilities

  • Conduct internal audits of cloud platform security across Azure and AWS.
  • Implement best practices for key management, network security, and monitoring.
  • Create threat models for first-party and third-party software, research vulnerabilities, and patch them.
  • Collaborate with infrastructure engineers to detect, fix, and prevent exploits using reusable tools and processes.
  • Develop incident response tooling and standard operating procedures.
  • Conduct incident response training simulating hacks, alerts, and social engineering vectors.
  • Secure non-code-related attack vectors in collaboration with technical and non-technical staff.
  • Audit smart contract protocols and establish secure operational practices.
  • Build full-stack tools to mitigate exploits and financial risks.
  • Detect malicious mempool transactions and automate pauses across smart contracts on multiple chains.
  • Define invariants and detect violations in real time.
  • Integrate third-party security software where necessary.

Requirements

  • Deep knowledge of cloud infrastructure and web2 security practices.
  • Deep knowledge of cybersecurity standards and social engineering defenses.
  • Experience building full-stack applications.
  • Deep knowledge of EVM security tooling, testing, and best practices.
  • Deep knowledge of common hacks and exploits in DeFi protocols.
  • Deep knowledge of financial attack vectors in DeFi protocols.
  • Experience with CTFs, bug bounties, or whitehat activities.

Benefits

  • Opportunity to build innovative crypto solutions for traditional enterprises.
  • Work on projects with tangible impact on the global financial landscape.
  • Continuous learning and professional development.
  • Competitive salary and participation in ownership structures.
  • Fast-paced, agile team environment.

Skills

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See also

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