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Nicolas DelvarreND

Nicolas Delvarre

Network and Cybersecurity Expert

€700/day
Hazebrouck, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nicolas

Network & cybersecurity engineer with SOC environment experience, I assist companies in securing, administering, and optimizing their IT infrastructures.

I also have skills in Python/Flask web development and automation, enabling me to design custom business tools, secure web applications, and client-specific solutions.

Versatile, rigorous, and results-oriented, I work on missions related to cybersecurity, networks, servers, firewalls, reverse proxies, DNS, as well as web application development and management tools.

Available for one-off or longer-term assignments, remote or on-site.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Tehtris (Pessac)
    Cybersecurity Solution Editor
    SOFTWARE PUBLISHING
    January 2022 - Today (4 years and 7 months)
    Monitoring of client IT systems via Tehtris SIEM and EDR solutions. Alert analysis: qualification, investigation, escalation, or direct incident response. Management of security incidents (phishing, malware, exfiltration, RDP brute force, etc.). Contribution to the continuous improvement of detection rules (use cases). Participation in monthly security reviews with client CISOs.
    EDR SOC Cybersecurity
  • Stormshield
    Cybersecurity Solution Editor
    SOFTWARE PUBLISHING
    January 2021 - January 2022 (1 year)
    Villeneuve-d'Ascq, France
    Monitoring of incidents and infrastructure evolution for major accounts. Collaborative work with R&D on technical choices for future features. Handling incidents related to issues encountered by major accounts and interfacing with R&D. Prioritizing the most critical issues for the business to ensure the best handling by R&D.
    Network Administration Firewall Customer Support
  • Stormshield
    Network and Security Technical Expert
    SOFTWARE PUBLISHING
    January 2016 - January 2021 (5 years)
    Villeneuve-d'Ascq, France
    Handling incidents involving network, system, and security aspects of the SNS product range and the infrastructures in which they are integrated. Reproduction of client cases using physical or virtual mock-ups. Interface with the R&D department to escalate detected failures requiring correction or improvement. Documentation: feeding Knowledge Base, technical notes.

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Education

  • Certified Stormshield Network Troubleshooting & Support
    2017
    Certified Stormshield Network Troubleshooting & Support
  • Certified System Administrator
    Red Hat
    2018
    Certified System Administrator

Skill set

Categories