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    Security Engineer, Institutional Trading

    Blockchain.com
    Paris
    Remote
    Senior
    Full Time
    security engineerinstitutional tradingblockchaincryptocurrencyoperational securityrisk assessmentAI-driven innovation

    Requirements

    • •5+ years in security engineering, platform security, or application security experience
    • •Proven expertise in Threat Modeling and ability to perform structured reviews of complex data flows and operational processes
    • •Experience with observability and detection tooling (SIEM, logs, metrics) and ability to write basic detection rules
    • •Practical experience with KMS/HSM, secrets management platforms, IAM patterns and least-privilege
    • •Exceptional ability to translate technical debt into business risk for C-suite stakeholders
    • •Ability to raise, read and audit Pull Requests in at least one language used in the stack (TypeScript, Java/Kotlin, Python)
    • •Experience conducting technical due diligence and scoping for third-party security integrations

    What You'll Do

    • •Partner with Trading, Middle Office and Quant teams to map out inventory trading systems, data flows, third-party integrations and custody/settlement touchpoints
    • •Conduct deep-dive assessments mapping critical assets and workflows to identify structural vulnerabilities and define strategic Risk Treatment Plans
    • •Act as the primary security liaison for Senior Management and third-party vendors, translating technical gaps into business risk summaries and managing project lifecycles
    • •Implement and maintain monitoring for FinOps-specific security signals and integrate these into SIEM/SOAR for real-time response
    • •Support secrets and key-management hygiene ensuring keys are stored securely and rotated automatically
    • •Assist product security in triage of SAST/SCA findings and implement CI checks and remediation playbooks
    • •Participate in incident exercises, post-incident reviews and remediation tracking for trading incidents
    • •Document controls and produce concise risk summaries for FinOps leads and Security
    • •Research, architect, and embed AI utilities and Large Language Model agents into secure infrastructure

    Nice to Have

    • •Familiarity with trading systems or financial operations or close collaboration background with trading/quant teams
    • •Exposure to blockchain on-chain concepts but no requirement to audit contracts
    • •Familiarity with SOC operations and post-incident forensic analysis
    • •Familiarity with SOC2, ISO 27001, or financial audit requirements
    • •Any relevant industry certification

    Benefits

    • •Unlimited vacation policy
    • •Unlimited books policy
    • •Apple equipment
    • •Full-time salary based on experience
    • •Meaningful equity in an industry-leading company
    • •Work from Anywhere Policy allowing remote work up to 20 days per year

    About Blockchain.com

    Blockchain.com is a developer of a digital assets platform that offers ways to buy, hold, and use cryptocurrency.

    London, UK
    250 - 500
    Blockchain & Cryptocurrency