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Benoit GrisotBG

Benoit Grisot

System Administrator | AD, Microsoft 365, Linux

€500/day
Nantes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Benoit

System administrator and freelance trainer, I have been involved for over 20 years in the management and evolution of Microsoft infrastructures, with a specialization in hybrid environments (Windows Server + Azure), security, and automation.

🧩 Dual role:
– IT Manager in position since 2010 in an SME: complete management of the IS, virtualization, telephony, backups, business tools, service provider relations.
– Freelance since 2019: consulting, migration, partial outsourcing of the IT department for VSEs/SMEs, but also trainer in schools (ENI, EPSI, CESI…) on systems, networks, cloud and security topics.

💡 My strengths:
– Field expertise in Windows Server administration, Active Directory, Intune, Azure AD Connect
– Global vision of security (SIEM, MDM, VPN, bastion, hardening, supervision)
– Ability to popularize and train, including on complex subjects (PowerShell, CI/CD, Hybrid Join…)

📚 Microsoft certified, graduated in web development (RNCP level 6), I also know how to adapt to DevOps, scripting and industrialization projects.

🎯 Are you looking for a versatile, autonomous and pedagogical freelancer, capable of quickly integrating into your teams or supporting you in your IT projects? Let's discuss it!
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Nantes (up to 20km), Montaigu (up to 10km)

Experience

  • SYSADMIN FREELANCE
    CONSULTANT TRAINER
    January 2019 - Today (7 years and 5 months)
    Administration and migration of Windows Server infras Deployment of Azure AD Connect, Intune, Autopilot Consulting and IT management for local VSEs/SMEs Courses taught (ENI, IB, CESI, EPSI): Systems, Networks, Security Writing educational materials and facilitating practical work in person/remotely
  • DFC2 Diffusion
    IT Manager
    CIVIL ENGINEERING
    November 2010 - Today (15 years and 7 months)
    Vertou, France
    Complete IS (servers, telephony, park, providers) RDS clustering, Windows Server migration IS supervision (Centreon), backups (Veeam), license management VPN (Wireguard, OpenVPN) Siem Wazuh Apache Guacamole bastion for service providers Close collaboration with sales representatives to improve business tools
    Project Management System Administration VMWARE Linux Windows Server
  • expectra
    System Administrator
    TECH
    July 2001 - July 2004 (3 years)
    Various interim assignments for Tibco, Eurofins, Osiatis, Sigma. N2/N3 support. IT management for VSEs/SMEs
    Windows Server Azure Active Directory IT Support System Administration IS Migration

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Education

  • MULTIMEDIA PROJECT MANAGER
    IESA MULTIMEDIA
    2018
    Analyser les besoins et objectifs d’un client lors d’un rendez-vous ou appel à projets Rédiger une proposition sous la forme d’un cahier des charges Soutenir votre proposition lors d’une présentation au client Piloter un projet dans le respect du planning et du budget Élaborer un rétro-planning et un échéancier Rédiger un cahier des charges technique et fonctionnel Animer des réunions de suivi et de cadrage Travailler en équipe avec une méthodologie de gestion de projet Communiquer avec le client pour effectuer une proposition commerciale Créer des sites web interactifs en HTML5, CSS, JavaScript, Bootstrap Concevoir des applications professionnelles à l’aide de PHP, du framework Symfony et du gestionnaire de versions Git
  • JAVA Application Developer
    Openclassrooms
    2021
    - Analyser un cahier des charges et choisir une solution technique adaptée parmi les solutions existantes - Concevoir l’architecture technique d’une application à l’aide de diagrammes UML - Créer des application web dynamiques grâce à Java EE - Communiquer avec une base de données pour stocker et requêter des informations - Développer de manière professionnelle grâce aux frameworks Apache Struts 2 et Spring - Mettre en œuvre des tests unitaires et fonctionnels - Utiliser les outils les plus connus d’intégration continue - Produire une documentation technique et fonctionnelle de l’application

Certifications

  • Microsoft Certified System Engineer
    MICROSOFT
    2000

Skill set

Categories