Description

Freelance Systems & Network Administrator | Cybersecurity & IT Infrastructure

Are you looking for someone to keep your IT systems reliable, secure, and running smoothly? That’s exactly where I come in.

I help businesses by:

Managing servers & systems (Windows, Linux, Active Directory, virtualization).
Administering networks (switches, routers, firewalls, Wi-Fi, VPN, DNS, DHCP).
Securing infrastructures (hardening, monitoring with Zabbix/Wazuh, log analysis, incident response).
Improving performance (automation with Ansible/PowerShell/Bash, proactive monitoring, troubleshooting).

What makes me different

Hands-on experience in system & network administration.
Strong focus on cybersecurity and business continuity.
Ability to explain technical issues in clear, practical language.

Typical projects I handle

Server setup & migration (Windows/Linux/VMware/Proxmox).
Network configuration & monitoring (Cisco, pfSense, Fortinet).
Deployment of monitoring and alerting systems.
Security audits and remediation plans.

Whether you need a short-term fix, a system migration, or ongoing infrastructure support, I can ensure your IT environment stays secure, efficient, and dependable.

Industry field of expertise

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

DIMOTRANS Group Roissy
Apprentice Systems & Network Administrator
DIGITAL AND IT
September 2024 - July 2025 (10 months)
Systems Administration and Management :

Manage and administer a fleet of servers running Windows Server and Linux(Debian, Ubuntu).
Deploy and maintainvirtualized environments(VMware, Proxmox) to optimize performance.
Monitor resources and infrastructure availability using Zabbix and Centreon.
Manage user directories and access rights with Active Directory.
Network Administration and Connectivity :

Administer and configure network equipment: Cisco devices, switches, routers, firewalls.
Implement and manage VLANs and routing protocols to optimize network segmentation.
Monitor network traffic and analyze incidents using Wireshark, Nmap, and Wazuh.
Deploy and manage secure connections (OpenVPN) for users.
Security and Data Protection

Deploy and manage Wazuh (SIEM) for log monitoring, intrusion detection, and SOC compliance.
SOC Analyst automation PenTest
PARIS SUD APPART HOTEL
Assistant Informatique
June 2024 - July 2024 (1 month)
92220 Bagneux, France
Support technique : Assistance aux utilisateurs, diagnostic et résolution des pannes. Maintenance : Installation, configuration et mise à jour des équipements et logiciels. Gestion du parc informatique : Suivi des stocks, mise en service des matériels. Administration de base : Gestion des comptes utilisateurs et des droits d'accès.
Webnet
Sys & Network Administrator
DIGITAL AND IT
September 2025 - Today (9 months)
Paris, France
Work as a System & Network Administrator, ensuring that IT infrastructures are reliable, secure, and efficient. My role bridges both systems and networks, giving me a comprehensive view of IT operations.

On the systems side, I:

Deploy, configure, and maintain servers on Windows and Linux.

Manage Active Directory, user accounts, and permissions.

Handle updates, security patches, and backups.

Automate recurring tasks with PowerShell, Bash, or Ansible.

On the network side, I:

Configure and maintain switches, routers, firewalls, and Wi-Fi.

Manage core services like DHCP, DNS, and VPN.

Monitor traffic and troubleshoot connectivity issues.

Optimize performance through VLANs, routing, and QoS.

Regarding security & monitoring, I:

Apply hardening policies and manage endpoint protection.

Monitor infrastructure with tools like Zabbix, Nagios, or Wazuh.

Investigate logs, respond to incidents, and ensure business continuity.