
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
Langues
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).
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