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Herve LenfantHL

Herve Lenfant

Cybersecurity Consultant, Splunk Administrator

€600/day
Nantes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Herve

  • English

    Native or bilingual

  • French

    Native or bilingual

Can work on-site
Nantes (up to 50km)

Experience

  • Groupe SQUAD pour un grand industriel de la Défense Naval Group
    SOC Analyst
    September 2025 - May 2026 (8 months)
    • • Management and processing of security alerts
    • • Creation and tracking of incident tickets, associated reporting
    • • Contribution to the continuous improvement of SOC procedures
    • • Writing technical and operational documentation
  • La Banque Postale - Ma French Bank via ESN
    Cybersecurity Consultant
    January 2024 - January 2025 (1 year)
    • • The project involves taking charge of the expertise of the liaison chains, DevOps tools, and Splunk SIEM
    • • Monitoring on Splunk, DevOps CI/CD
    • • Maintenance of supervision tools: IPLabel/Ekara, Zabbix, Splunk in production and non-production environments
    • • Maintenance of tools for monitoring availability, technical performance, and security: Splunk
    • • Maintenance of tools for monitoring business activity and fraud: Splunk
    • • Improve response solutions - orchestration of security events - reduce reaction/blocking times: reference guides, weak signal analysis, search for indicators of compromise
  • Naval Group via ESN
    Cybersecurity Consultant
    January 2023 - January 2024 (1 year)
    • • Responsible for security supervision on several projects (INFRA and SSI) for the Information Systems Transformation Directorate (DTSI)
    • • Risk and Compliance Management in IT projects: Classified scientific computing platform, networks, print servers, Golden Image Windows...

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Education

  • SPLUNK Enterprise Data Administration and System Administration, ISO 27005, CISCO CCNA
    SPLUNK Enterprise Data Administration et System Administration, ISO 27005, CISCO CCNA
  • Certified Ethical Hacker (CEH) Certification
    2025
    Certification Certified Ethical Hacker (CEH)

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