Thiondi Oussmane Sylla

Senior Microsoft 365 Engineer | Cloud & Infrastructure

Salaire / Taux journalier

91380 Chilly-Mazarin, France

Mobilité : Île-de-France

Freelance

Peut venir sur site

Expertises

Microsoft 365Azure ADMicrosoft TeamsOneDriveAzureIntuneGestion des stocksCybersécuritéSCCMExchangeService client

Langues

Français (Maternelle)Anglais (Courant)Arabe

À propos

Introduction

Microsoft 365 Engineer & IT Recruiter with 7 years of expertise in cloud infrastructure, cybersecurity, and enterprise support. Proven track record managing IT systems for 80+ locations and delivering SLA-driven solutions across Office 365, Azure AD, and hybrid environments. Founder of BlackStack IT, I deliver elite technical talent and hands-on expertise in cloud productivity, infrastructure optimization, and bilingual enterprise support (EN/FR).

Liens

Expérience de travail

Fondateur

BlackStack IT

mai 2026 - Présent

6 mois

We help high-performance companies hire elite technical professionals with precision, speed and deep industry understanding. Areas of expertise: • Cloud & DevOps • Cybersecurity • Infrastructure Engineering • Systems Administration • IT Support & Operations Elite IT Talent. Delivered with Precision.

Microsoft 365 Engineer

Microsoft

août 2025 - Présent

1 an 3 mois

Le Caire, Gouvernorat du Caire, Égypte

As a Frontline Engineer, I provide advanced technical support and engineering expertise across the Office 365 ecosystem, including Exchange Online, SharePoint Online, Teams, OneDrive, and Azure AD. I specialize in complex issue resolution, service optimization, and proactive support for enterprise customers. My role bridges technical problem-solving with continuous service improvement to ensure high availability, security, and performance across cloud-based collaboration and communication platforms. 🎯 Expert in the Office 365 environment 🛠️ Cloud productivity & collaboration tools 🗣️ Bilingual support (EN / FR) 📈 SLA-oriented performance and user satisfaction

Information Technology Administrator

Visilab SA

août 2022 - août 2025

3 ans 1 mois

Meyrin, Suisse

Oversaw IT infrastructure across 80+ retail outlets nationwide, ensuring performance, continuity, and technical compliance. Delivered proactive on-site and remote support for desktops, servers, and network systems. - Executed preventive maintenance and incident resolution across distributed locations under strict SLA frameworks. - Handled system installations, upgrades, and troubleshooting on Windows-based platforms. - Contributed to technical planning and deployment for new store openings and infrastructure rollouts. - Collaborated with internal teams on strategic IT initiatives and operational improvements. - Maintained comprehensive documentation to support audit readiness and continuity of service.

Junior System & Network Administrator

NOVATIM - Accélérateur digital

nov. 2021 - août 2022

10 mois

Paris, France

Provided multi-client support within managed service environments, focusing on Microsoft ecosystems and cybersecurity. - Administered Office 365, Azure Active Directory, and Microsoft Defender for diverse SMB clients. - Led secure mailbox migration projects with minimal disruption and downtime. - Delivered Level 2 and 3 technical support, diagnosing infrastructure issues across hybrid environments. - Configured WatchGuard firewalls and enforced network security protocols. - Participated in infrastructure upgrades, client onboarding, and service optimization initiatives.

VIP IT Support Technician

De Pardieu Brocas Maffei

août 2020 - déc. 2021

1 an 5 mois

Paris, France

Delivered tailored IT support to senior legal professionals in a confidential, high-performance environment. - Responded to Level 1 incidents involving hardware, software, and mobile device management - Ensured rapid resolution of technical issues for partners and legal teams - Handled workstation setup, user access, and application troubleshooting on-site and remotely - Preserved strict confidentiality and data integrity in all support interactions

IT Support Technician

OUI.sncf

sept. 2018 - août 2020

2 ans

7620 Paris, Danemark

- Provided support for over 300 internal users across departments within a large-scale IT organization. - Administered user accounts, policies, and device management using Active Directory, Intune, and SCCM - Deployed system updates, managed software distribution, and supported hardware inventory - Contributed to service desk operations, user onboarding, and IT process documentation - Participated in continuous improvement initiatives focused on support efficiency and end-user experience


Formation

Institut F2I

Higher National Diploma, IT Services for Organizations

2018 - 2020

2 ans 1 mois


Licences et certifications

Certifications Microsoft Azure

Délivré le : janv. 2024

Certifié par Azure Virtual Desktop Specialty (AZ-140)

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