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Ziad BahnassZB

Ziad Bahnass

Cybersecurity Engineer

€350/day
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ziad

🔐 What if we protected your company before it's too late?
I help you secure your computer system against attacks and invisible flaws.
My job: test your security like a hacker would... to better defend you afterwards.
✅ Detection of weaknesses in your network
✅ Protection of your data and machines
✅ Monitoring and alerts in the event of suspicious activity
✅ Personalized advice to strengthen your cybersecurity

📈 You manage your business, I take care of its security.
  • English

    Native or bilingual

  • French

    Native or bilingual

  • Spanish

    Conversational

  • Arabic

    Native or bilingual

Can work on-site
Paris (up to 50km), Metz (up to 20km), Lyon (up to 10km), Nantes (up to 10km)

Experience

  • Fiscow
    Pentester & Blue Team Analyst – Infrastructure security project for an SME
    April 2025 - June 2025 (2 months)
    đŸ”č Carrying out a complete security audit: intrusion tests (external and internal) to detect network, application and system vulnerabilities.
    đŸ”č Implementation of a monitoring solution (open source SIEM) to monitor suspicious activities and generate real-time alerts.
    đŸ”č Securing user access (MFA, network segmentation, password policy).
    đŸ”č Raising employee awareness of good cybersecurity practices.

    Result: 95% of critical flaws corrected and complete visibility into intrusion attempts.
    PenTest
  • Siemens
    Monitoring, Blue Team and Pentest
    March 2025 - Today (1 year and 5 months)
    Luxembourg, Luxembourg
    ‱ Supervision of client routers via Zabbix Proxy and SNMP alerts.
    ‱ Deployment of Wazuh and creation of a dashboard for intrusion detection.
    ‱ Exploitation of web vulnerabilities (XSS, SQLi, IDOR) and privilege escalation via PortSwigger.
    ‱ Simulations of real attacks and correlation of events with Wazuh. Technologies: Zabbix, Mikrotik, SNMP, Proxmox, Grafana, Wazuh, metasploit, johntheripper, gobuster, nmap
    Ipsec Virtualization PenTest Blue team
  • Siemens
    Digital Building & Infrastructure & Cybersecurity
    April 2024 - August 2024 (4 months)
    ‱ Implementation and administration of a monitoring server (Zabbix).
    ‱ Creation and management of a Proxmox server.
    ‱ Putting into production a secure SNMP monitoring solution via IPsec tunnel.
    ‱ Immersion in cybersecurity with Nessus and Wazuh. Technologies: Zabbix, Wireguard, SNMP, Proxmox, VMWare
    Network administration

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Education

  • IngĂ©nieur d'Ă©tat en informatique
    ECOLE D'INGENIEUR DU LITTORAL COTE D'OPALE (EILCO)
    2025
  • Classes PrĂ©paratoires aux grandes Ă©cole
    Al Cachy
    2022
    FiliĂšre MP (Math, physiques)

Skill set

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