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Herearii PoulainHP

Herearii Poulain

Systems and Networks Consultant

€500/day
Montpellier, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Herearii

Systems and Network Engineer with 10 years of experience in various complementary environments: banking/insurance, online training school, datacenter, publicly traded company. I have worked with IT service companies, SMEs, and large corporations.
All these experiences have provided me with expertise in several areas, allowing me to have a broad scope today: virtualization, systems, networks, storage, messaging, Azure cloud, security, monitoring...

Curious, dynamic, and self-taught, I enjoy sharing my skills and knowledge!
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Montpellier (up to 50km), Lyon (up to 30km), Aix-en-Provence (up to 20km), Avignon (up to 10km), Toulouse (up to 50km)

Experience

  • Groupama Supports et Services
    Network Engineer
    BANKING AND INSURANCE
    August 2023 - Today (2 years and 10 months)
    Castelnau-le-Lez, France
    Within the Groupama Supports & Services Network and Telephony Security Operations team:
    - Provide support to operations teams on the administration of various telephony and network resources operated by Groupama Supports and Services.
    - Administer the various network and telephony software components and products.
    - Ensure the correction of level 2 incidents and escalate incidents for level 3 support when necessary.
    - Maintain operational relationships with operators and other telecommunications and network providers.
    - Provide advisory, assistance, information, training, and alert services. Directly intervene on all or part of a project within their domain.
    - Implement tools ensuring data consistency.
    - Study, recommend, and implement suitable hardware, tools, and software.

    - Proactive monitoring management
    - Change request management
    - Level 2 Support (Routing, installation, Wifi, Cloud Proxy, SDWAN, TOIP)
    - Implementation of solutions via Kubernetes
    - Operator and incident management
    - Real-Time Support System (7 AM - 7 PM)
    Cisco Networking SD-WAN Zscaler Kubernetes Wifi
  • Studi
    Network and Systems Administrator
    EDUCATION AND E-LEARNING
    January 2023 - June 2023 (5 months)
    Pérols, France
    Ensure the security and ongoing maintenance of the IS (Software, Networks, Systems, Telephony).
    Oversee the construction site of the "IT delivery" for the new network core of a new building (+9000m², 100 wifi access points, 50 switches, ISP, FW, 5 patch rooms, 1 server room, multimedia solutions, ...).
    Benchmark and select service providers and solutions for the new building.
    Manage the IT and telephony park (approximately 1200 workstations + 250 Servers + Active Devices).
    Implement industrialization and monitoring solutions (Ansible, LibreNMS, Oxidized).
    Deploy virtualized servers on vSphere and Azure Cloud (managing access to cloud resources).
    Plan IS evolution (hardware quotes, intervention scheduling, etc.).
    Manage and secure VMs and other Azure components (IAM, Exchange, Licensing).
    Project Management Microsoft Azure Linux Ansible VMware vSphere
  • AGS Cloud
    Network and Systems Administrator
    TECH
    June 2020 - January 2023 (2 years and 7 months)
    34130 Saint-Aunès, France
    Support partners on solutions offered by AGS.
    Administration & monitoring of Datacenter equipment (+250 devices and +400 VMs).
    Administration of Azure services as a Microsoft partner (Exchange, Entra ID, Licensing, Teams, SharePoint) multi-tenant (+200 tenants).
    Debug websites hosted in the Datacenter.
    IT system outsourcing for clients.
    Migration of messaging systems (IMAP/Zimbra/Exchange/M365).
    Deployment of servers, infrastructures, or client and internal projects (racking, cabling, VLAN setup, and installation).
    Monitoring of outsourced backups for internal infrastructure and client services.
    Level 2 and 3 ticketing support for clients and partners.
    Datacenter VMware vSphere Firewalling Zimbra Azure Cloud

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Education

  • Professional Bachelor's Degree in Voice and Data System Integration, Computer Science
    IUT de Béziers
    2015
    Licence professionnelle Intégration de Système Voix et Données, Informatique
  • Associate's Degree, Computer Science
    Faculty of Sciences Montpellier II
    2015
    Bac +2, Informatique

Skill set

Categories