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Manon Saint-EtienneMS

Manon Saint-Etienne

Linux / Windows System Administrator

€380/day
Niort, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Manon

Systems administrator with experience in critical environments (CNES, Airbus), specializing in Linux / Windows infrastructure management, virtualization, and automation.

I focus on maintaining operational readiness, optimizing systems, and automating tasks to improve infrastructure performance and reliability.

Accustomed to demanding environments, I can quickly integrate and effectively contribute to your IT projects.
  • French

    Native or bilingual

Can work on-site
Niort (up to 20km), Saintes (up to 30km), La Rochelle (up to 30km), Bordeaux (up to 10km), Angoulême (up to 10km)

Experience

  • Inetum
    IT Support & System Administrator
    BANKING AND INSURANCE
    July 2025 - Today (11 months)
    Niort, France
    • Automation of HR data migrations (60 GB) via PowerShell scripts (Robocopy), reducing manual interventions by 30%.
    • Management of user accounts and access rights (Active Directory, Office 365, Intune).
    • Technical support and incident resolution related to Windows 11 migrations.
    Powershell Active Directory Microsoft Intune
  • NeverHack
    System Manager
    AVIATION AND AEROSPACE
    January 2024 - March 2025 (1 year and 2 months)
    Toulouse, France
    • Creation of scripts (automating file compression and sending the compressed file to a Samba server, antivirus updates on Windows, adding new services for LDAP and NTP monitoring via Nagios)
    • Proxmox administration and updates
    • Complete rewrite of Puppet classes
    • VLAN addition
    • iptables rule addition
    • Implementation of Git on the Puppet server for version control
    • Evolution of NFS, NTP, and PXE servers
    • Documentation writing
    • Maintaining servers in operational condition
    puppet Proxmox VE Nagios Ubuntu System Administration
  • SQUAD
    N3 MCO
    AVIATION AND AEROSPACE
    October 2023 - December 2023 (2 months)
    Toulouse, France
    During this experience, I managed N2-N3 tickets and PowerShell scripts to automate as many tasks as possible:
    • Creation of a GPO to limit domain join rights
    • Modification of GPOs to complexify passwords
    • Creation of PowerShell scripts
    • Addition of Firewall rules
    Windows Server GPO Linux System Administration Active Directory Powershell

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Education

  • Master in Network and Security Project Management
    IPI Lyon
    2022
    Master Chef de Projets Réseaux et Sécurité

Certifications

Skill set

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