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John G.JG

John G.

Cybersecurity and Networks

€650/day
Cannes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About John

Senior network and cybersecurity engineer with over 20 years of experience, I work on complex environments ranging from network architecture to the implementation of complete SOCs.
Certified CCNP, OSCP, and ISO 27005, I master both the network layer and intrusion detection, risk management, and DevSecOps automation. I have a hands-on approach: I maintain a personal SOC lab under AWS, entirely built on open-source tools (Wazuh, Suricata, Grafana, Prometheus, Ansible) — zero license cost, 100% technical mastery.
This open-source philosophy, I transpose it directly into missions: I am capable of designing and deploying professional and economical SOC architectures, particularly suitable for SMEs, startups, and organizations concerned with controlling their costs while maintaining an enterprise-level security.
I intervene on missions of network audit & pentest, SIEM/SOC deployment, AWS cloud security, or security automation. I am comfortable with technical teams as well as business stakeholders or CISOs.
Available in full remote, France and international.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Goodbytes
    Network & Cybersecurity Engineer // Senior Network & Security Engineer
    TELECOMMUNICATIONS
    March 2024 - Today (2 years and 3 months)
    Cannes, France
    I secure your infrastructures, from audit to automation. Senior network and security engineer with over 10 years of experience, I design and operate modern SOC architectures mainly in Open-source for cost optimization, intrusion detection pipelines, and secure cloud environments. Certified CCNA, CCNP, CEH, and ISO 27005, I master both the network layer and incident response and DevSecOps automation. I manage a personal GoodBytes lab focused on SOC (Wazuh, Suricata, Grafana, AWS) to stay close to real threats. Available in full remote for short or long missions, in France and internationally.
    Automation Security audit Open Source
  • Riviera Telecom
    Network Engineer
    January 2023 - January 2024 (1 year)
    Monaco
    Deployment and optimization of security infrastructure via FortiGate UTM/UTP. Cross-functional collaboration to strengthen network performance and security resilience.
  • IBM / AT&T; Global Network
    Project Manager EMEA
    January 2014 - January 2022 (8 years)
    France
    End-to-end EMEA network project management: resource allocation, milestone tracking, stakeholder communication. Global VoIP deployment for Schlumberger. Single Point of Contact (SPOC) for critical clients.

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Education

  • CEH
    CEH
  • RS5020
    RS5020

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