FinOps Security Engineer – AI-Driven Infra for Trading

Blockchain.com; Paris; Sur place; EUR 110 000 - 150 000; Plein temps

Avantages offerts par ce poste

Unlimited vacation

Unlimited books

Full-time salary tied to experience

Paris office with 4 days in-office

Work from Anywhere up to 20 days/year

Résumé du poste

Blockchain.com is seeking a hands-on Security Engineer embedded with the Institutional Trading and FinOps team in Paris. You will ensure secure operation of off-chain trading processes, manage risk through vulnerability assessments, and drive security maturity across data flows, third-party integrations, and key custody interfaces.

A high-visibility role focusing on operational security engineering. The ideal candidate has 5+ years in security engineering, experience with KMS/Vault, SIEM, and LB

Qualifications

• 5+ years in security engineering, platform security, or application security.
• Proven Threat Modeling expertise (e.g., STRIDE).
• Experience with observability and detection tooling (SIEM, logs, metrics).
• Practical experience with KMS/HSM, secrets management platforms (Vault, 1Password, AWS/GCP KMS).
• Exceptional ability to translate technical debt into business risk for C-suite stakeholders.

Responsabilités

• Partner with Trading, Middle Office and Quant teams to map inventory trading systems and data flows.
• Conduct deep-dive assessments to identify vulnerabilities and draft Risk Treatment Plans.
• Act as security liaison for Senior Management and vendors; translate gaps into business risk.
• Implement and maintain monitoring for FinOps security signals in SIEM/SOAR.
• Assist product security in triage of SAST/SCA findings and CI remediation playbooks.
• Participate in incident exercises, post‑incident reviews and remediation tracking.

Connaissances

Threat modeling

Security engineering

Executive communication

Business risk translation

Code review readiness

Outils

KMS/HSM

Vault

1Password

AWS/KMS

GCP KMS

Description du poste

Blockchain.com is seeking a hands-on Security Engineer embedded with the Institutional Trading and FinOps team in Paris. You will ensure secure operation of off-chain trading processes, manage risk through vulnerability assessments, and drive security maturity across data flows, third-party integrations, and key custody interfaces.

A high-visibility role focusing on operational security engineering. The ideal candidate has 5+ years in security engineering, experience with KMS/Vault, SIEM, and LB