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Ismaël GirondinIG

Ismaël Girondin

Systems & Network Administrator

€550/day
Champs-sur-Marne, FR
3-7 years
System Administration
Network Administration
Microsoft Windows Server
Active Directory
Microsoft365

Average response time: 1 hour

Freelancer profile translated to English.
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About Ismaël

Entrepreneur specializing in digital services, I work with companies for operational support on technical, integration, and digital transformation support missions.
My positioning is in line with an ESN (IT Services Company) logic: expertise, reliability, adaptability, and results-oriented.
Areas of intervention
IT Support L1 / L2 / L3
Deployment and configuration of workstations and user environments
System and collaborative tool administration
Technical assistance to internal teams
Participation in IT projects (migration, deployment, IS structuring)
Technical documentation and process improvement
Methodology
Rapid needs analysis
Seamless integration into existing teams
Adherence to SLAs and operational constraints
Clear communication with stakeholders
Added Value
Autonomy and rapid adaptability
Cross-functional view of technical environments
Structured, performance-oriented approach
Sense of responsibility and commitment to quality

  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Champs-sur-Marne (up to 50km)

Experience

  • C2i guadeloupe
    Systems & Network Administrator
    June 2019 - November 2025 (6 years and 5 months)
    Consolidation and virtualization of infrastructures
    Infrastructure Migration to Cloud
    System Audit
    Email system migration
    Backups and monitoring of information systems
    Securing network infrastructures
    Implementation of Cloud infrastructures
    Development of business continuity/disaster recovery plans (BCP/DRP)
    Network Administration System Administration IT Architecture Microsoft Exchange Virtualization
  • GHS CONNECTPLUS
    Manager - IT Expert & Network Architect
    January 2026 - Today (5 months)
    Champs-sur-Marne, France
    Administration of secured infrastructures. Execution of various projects and varied knowledge/experience:

    • Windows System Administration (Active Directory, DNS, GPO, File Server)
    • Backup (Veeam, Acronis)
    • Networks and Security (WatchGuard, Fortinet, HP, Aruba, Bitdefender etc..)
    • Cloud and O365 (Microsoft 365, Exchange Online, Intune)

    I also have some knowledge of the Unix environment, and scripting (Bash and PowerShell).
    Service Provider Management Active Directory Microsoft Exchange Microsoft365 System Administration

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Education

  • BTS Digital Systems, IT and Networks Bachelor in Secured Infrastructure Administration WatchGuard Network Security
    BTS Systèmes numériques informatique et réseaux Bachelor Admini stration d'infrastructures sécurisés WatchGuard Network Security

Skill set

IT Project Management
IT Architecture

Categories