Freelancer profile translated to English.
Back to original languageAbout Henry
Operations-oriented Systems & Network Administrator: RUN management,
N2 support, incident/request processing (prioritization, escalation, SLA),
Microsoft 365 administration, device management via Intune/MDM, Active Directory identity & access,
PowerShell automation, and operational cybersecurity (EDR, email). Multi-site environments, documentation
(procedures/KB), and vendor coordination for major incidents.
French
Native or bilingual
Can work on-site
Gennevilliers (up to 50km)
Experience
- CHEZ FININFO (GROUPE RICHARD)Systems & Network Administrator / N1-N2 Support (On-site & Remote)April 2025 - Today (1 year and 4 months)Gennevilliers, FranceIncident and request management: handling via ticketing tool (analysis, prioritization, resolution, SLA tracking, and user communication).Remote and on-site IT Support (N1/N2): field interventions (failures, workstation installations, hardware replacements, printers).Active Directory Administration: managing account lifecycle, permissions, groups, account lockouts in case of security incidents.Operational Cybersecurity:Daily monitoring of Proofpoint, Microsoft Defender, and SentinelOne alerts.First-level analysis, user verification, and alert qualification.Security actions: isolating workstations via SentinelOne, deactivating AD accounts if necessary.Reporting and communication to the IT team via mailing list.Workstation security: deployment and maintenance of SentinelOne, malware remediation, and regular checks.Application Support: managing SAP accounts and N1 support for Reflex (AS400), troubleshooting internal applications.Microsoft 365: administration of Exchange and Teams (groups, channels, shared mailboxes).MDM / Intune: enrollment and configuration of iOS/Android devices, Mac/iPad deployment, profiles, and participation in migration projects.Telephony & Remote Access: Cisco Jabber support, DECT and desk phone configuration, Cisco VPN management and troubleshooting.Printing & Network: printer installation and troubleshooting, print server management, DHCP consultation for diagnostics.IT Asset Management: monitoring, installation, and maintenance of workstations, printers, and peripherals in a multi-site environment.Major Incident Management: tracking persistent incidents, escalation, and coordination with external vendors.Documentation: writing procedures and technical guides for teams and users.
- La Sécurité sociale des artistes auteursIT Referent & SupportMarch 2024 - March 2025 (1 year)Paris, FranceComplete IT Autonomy: sole IT contact, managing support and infrastructure for over 40 users.Continuous Improvement: regular discussions with users to adapt IT to business needs.
- AUDIKASenior IT Support TechnicianJanuary 2021 - February 2024 (3 years and 1 month)Gennevilliers, FranceApplication Support: diagnosing and resolving incidents related to internal business software.User support with clear communication on timelines and technical solutions.
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Education
- Introduction to Cybersecurity (Cisco)Introduction to Cybersecurity (Cisco)
- Personal Finance Essentials, Cryptocurrency Fundamentals, Discover Cryptography and Network Security, Outlook: Quick TipsMcGillPersonal Finance Essentials Les fondements de la cryptomonnaie Découvrir la cryptographie et la sécurité des réseaux Outlook : Astuces rapides