Freelancer profile translated to English.
Back to original languageAbout Zakaria
Systems engineer with expertise in cloud computing and virtualization. I have worked on various move to cloud projects, Datacenter Integration, and also the administration of hosting solutions. I am ready to take on new technical challenges and bring my skills to your projects.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- THE KOOPLESSystems Engineer | Consultant at Thez KooplesFebruary 2025 - February 2026 (1 year)Paris, FranceActing as a Systems expert within The Kooples IT department, I assist the client in modernizing, optimizing, and securing its IT infrastructure.Main missions:Modernization and security of critical infrastructures: VMware optimization, VM reliability, performance point correction impacting critical services like Cegid Orli, management of the Azure and O365 foundation.Backup and business continuity management: Veeam backup security, retention optimization, restoration procedure validation, and writing operational guides.Supervision and continuity: Nagios and LibreNMS administration, adding probes, improving alerts, and proactive monitoring of critical services.Infrastructure upgrade and migration: Installation of physical servers, configuration of dedicated ESXi hosts, implementation of the virtualized foundation, and migration of databases (Oracle / Cegid Orli On-Premise).Security and network: Configuration of switches or Wi-Fi access points, adding WatchGuard firewall rules, and network best practices.
- Prolival ( Groupe Tenexa )Build Systems EngineerDIGITAL AND ITSeptember 2023 - February 2025 (1 year and 5 months)Colombes, FranceSystems engineer within Prolival's Systems Business Unit, my role is to advise and support clients in their IT system transformation.- Upgrade VMware infrastructure from 6.5 to version 8Analysis of the existing infrastructureVerification of application and virtual machine compatibility with the target VMware versionWriting of the technical note & sending maintenance advisoriesUpdate of vCenter and ESXiValidation and testing after the upgradeWriting of the report and updating existing documents- Migration of Client infrastructure to our Private Cloud (+ 300 Servers)Writing of the technical noteAutomation of tasks via AnsibleMigration & acceptance testing of VMs in batchesTroubleshooting incidents during migration- Integration & configuration of Storage Arrays (Purestorage - HPE Nimble) and servers in DatacentersReception & verification of ordered equipmentAnalysis and writing of change requestso Reservation of Names & IP addresseso Writing of the cabling matrixo Identify flows to openo Write the monitoring matrixIntegration and cabling of equipment in datacentersInstallation & configuration of Storage arraysConnections of arrays to vCenter + volume creation test- Upgrade Veeam B&RAnalysis of the existing systemBackup and restore testPlanning and sending of maintenance advisoryUpdate of Veeam componentsUpgrade validationWriting of the report and updating existing documents- Transfer of skills to Production teams
- ProlivalRun Systems EngineerDIGITAL AND ITJuly 2015 - August 2023 (8 years and 2 months)Colombes, FranceSystems engineer within Prolival's Production and Operations Center. I have worked in a multi-client and international context, ranging from SMEs to large enterprises.- Maintenance in operational condition, operation, and Level 2 and 3 support of client system infrastructures,- Administration of Windows Server and Linux environments- Administration of Microsoft 365 tenants (Tenant Global Admin): Management of tenant roles, application management/creation, Azure AD.- Administration of Citrix environments: XenApp, XenDesktop, XenServer,- Management of vDisk deployments, Management of Citrix access via Ivanti Control Manager.- Management of Netscaler ADC/Gateway: VIP creation/management, Equipment updates- Administration of the VMware environment, version upgrades- Management of the company's Private Cloud offering
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Education
- Master in Network and Systems EngineeringUniversité Versailles saint Quentin2014
- Bachelor in Network and Intranet/Internet Services IntegratorIUT d'Evry2012
Certifications
- MCSA Windows Server 2012 - 70-410Global Knowledge Center - Pearson Vue2017
- MCSA Windows Server 2012 - 70-411Global Knowledge Center - Pearson vue2017