Freelancer profile translated to English.
Back to original languageAbout Oumar
Systems Administrator & Virtualization Expert, I have been helping companies modernize, secure, and optimize their IT infrastructures for over 15 years.
I work on Microsoft environments (Windows Server, Active Directory, Microsoft Intune, Entra ID, Autopilot) as well as VMware vSphere and Hyper-V virtualized infrastructures. I help my clients succeed in their migration projects, MDM deployment, security compliance, PowerShell automation, and performance optimization.
Accustomed to demanding and critical environments, I combine technical expertise, a structured approach, and a strong results-oriented culture. My goal: to deliver reliable, secure, and documented solutions, while simplifying daily operations for IT teams.
Available for administration, migration, audit, automation, or team reinforcement missions.
French
Native or bilingual
English
Conversational
Can work on-site
Orléans (up to 50km), Paris (up to 30km)
Experience
- MetsysSystems AdministratorBANKING AND INSURANCEJune 2024 - December 2025 (1 year and 6 months)Orléans, France• • Microsoft Intune (MDM/MAM) administration for Windows 10/11 workstations.• • Monthly system updates and application integration.• • Antivirus migration project (testing, deployment, validation).• • Modernization of a VBS script to PowerShell.• • Management of physical and VDI fleets, task automation, and documentation.
- RhapsodyVMware Virtualization AdministratorBANKING AND INSURANCESeptember 2023 - May 2024 (8 months)Orléans, France• • VMware vSphere administration (ESXi clusters, vCenter).• • Proactive monitoring, patching, and performance optimization.• • Automation via PowerCLI scripts (provisioning, reporting).• • Infrastructure evolution projects and procedure writing.
- BPCE SIAccess ManagerBANKING AND INSURANCEJanuary 2022 - August 2023 (1 year and 7 months)Orléans, France• • Management of identities and access rights (Active Directory).• • Compliance checks and GDPR/ISO 27001 audits.• • Support and incident resolution related to access rights.
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Education
- Computer Assistance TechnicianAFPA2008Technicien Assistance en Informatique
- Virtualization and administrationVMware vSphere2020Virtualisation et administration