Paris, Ile de France, France Hybrid Full-time

Ledger is hiring a Staff Security Operations Engineer

Responsibilities

  • Act as the main coordinator for critical incidents spanning cloud infrastructure, corporate networks, endpoints, identity systems, and data centers.
  • Lead comprehensive investigations including root cause analysis, digital forensics, timeline reconstruction, and development of remediation strategies to prevent future incidents.
  • Serve as the internal authority on incident management, ensuring consistent processes for handling, escalation, and documentation.
  • Define and refine the team's detection strategy, architectural framework, and operational methodologies.
  • Drive proactive threat hunting initiatives using cyber threat intelligence and open-source intelligence to identify and mitigate potential risks early.
  • Tackle advanced and evolving detection challenges, transforming threat insights into actionable security enhancements.
  • Design and improve SIEM (Splunk) architecture and SOAR (Torq) workflows to strengthen detection, triage, and incident response capabilities.
  • Enhance the Splunk environment by improving data quality, standardization via CIM, data modeling, search efficiency, and detection governance.
  • Own and evolve the architecture of the internal Agentic SOC and log/data pipeline, while leading automated reporting solutions for security operations.
  • Apply specialized knowledge in AWS, EKS/Kubernetes, and Wiz (CSPM/CNAPP) to secure cloud environments and reduce large-scale exposure.
  • Develop standardized procedures, playbooks, and runbooks that guide the security operations team’s actions.
  • Mentor senior and junior engineers to advance technical capabilities and amplify team effectiveness.
  • Collaborate with Engineering, Infrastructure, IT, and Cloud teams to align security operations with organizational goals.

Work Arrangement

Hybrid — available in Paris, Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich, and Central Singapore

Other

  • AI plays a central role in operations; advancing AI applications in security is a key strategic focus this year.
  • This is a senior individual contributor role where influence and impact are driven by technical expertise, decision-making under pressure, and leadership through example.
Required Skills
Cloud Security
Job Details
Location Paris, Ile de France, France
Work mode Hybrid
Employment Full-time
Department Tech Security
Category Security
Posted 2 months ago
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About company
Ledger logo

Ledger is a leading provider of cryptocurrency and Web3 security solutions, empowering users to securely manage their digital assets. The company offers hardware wallets, such as Ledger Stax, Ledger Flex, and Ledger Nano, which store private keys offline to protect against online threats.

Through its Ledger Wallet app and ecosystem, users can buy, swap, stake, and spend crypto with the security of a hardware signer and the ease of a software wallet. Ledger supports over 15,000 cryptocurrencies across 90+ blockchains, enabling safe interaction with decentralized applications (dApps) and Web3 services.

The company emphasizes user ownership and control, promoting the principle of "not your keys, not your coins." All products are built with advanced security features, including Secure Element chips and proprietary operating systems, to safeguard crypto and NFTs from sophisticated attacks.

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