Freelancer profile translated to English.
Back to original languageAbout Mohamed Amine
Are you looking for a professional who can secure, manage, and optimize your IT infrastructure?
I can help you implement reliable network solutions, cyber-secure your systems, and automate your IT tasks so you can focus on your core business.
Thanks to my experience in systems/network administration and cybersecurity, I can assist with security audits, server and VPN configuration, Active Directory setup, and the deployment of automated backups and cloud solutions.
- What sets me apart:
A pedagogical and results-oriented approach, tailored to the needs of SMEs and startups.
A genuine passion for system security and reliability.
The ability to explain complex technical topics simply.
- Types of projects I handle:
IT security audit and hardening
Deployment of secure networks, VPNs, and firewalls
IT automation via PowerShell scripts
Setup of backup solutions (NAS + Cloud)
Creation of professional showcase websites (WordPress)
Office 365 / Azure migration and user access management
My goal: to provide you with a stable, secure, and efficient infrastructure adapted to your needs and budget.
French
Native or bilingual
English
Fluent
Italian
Native or bilingual
Arabic
Basic
Remote only
Primarily works remotely
Experience
- Hansen MarketingSystems Administrator / Microsoft 365March 2026 - March 2026Le Vésinet, France
Migration from Google Workspace to Microsoft 365 – Hansen Marketing
**Client**: Hansen Marketing**Role**: Microsoft 365 Administrator / Email Migration (Freelance)**Mission**: Complete migration of the email infrastructure from Google Workspace to Microsoft 365.**Responsibilities and achievements**:- Added and verified the domain in Microsoft 365 via DNS TXT record.
- Created and configured user accounts in Microsoft Exchange Online.
- Assigned Microsoft 365 licenses and configured professional email accounts.
- Prepared the migration from Google Workspace (enabled IMAP and configured administrator access).
Migrated data via Exchange Admin Center:- emails
- folders
- contacts and calendars.
- Performed functional tests before go-live:
- email reception and sending
- verified access via Outlook and webmail.
Configured and updated DNS records at OVHcloud:- MX
- Autodiscover
- SPF
- DKIM
- DMARC.
Final switch of the email infrastructure to Microsoft Exchange Online and validation of service functionality.**Result**:Successful migration of all mailboxes to Microsoft 365 with service continuity and secured email infrastructure. - SEASPSPNetwork AdministratorSeptember 2024 - Today (1 year and 9 months)Rueil-Malmaison, France• Full deployment of a secure LAN network• Configuration of switches, firewalls, site-to-site and remote VPNs• Installation and configuration of AD, DNS, and monitoring servers (Nagios)• Setup of TrueNAS and Proxmox (iSCSI, cluster, HA, security)• Carried out an Active Directory and email domain merger project (PowerShell)• Planning, documentation, and management of technical infrastructure projects• Development and implementation of a cyber-attack response plan (DRP / BCP)• Drafting and application of an IT charter• Conducted phishing simulations (Zphisher) and user awareness campaigns (presentations + documentation)• Security audit: external scan, internal scan via PingCastle on Active Directory• Deployment and configuration of CROWDSEC and SNORT for intrusion detection• Implementation of the 3-2-1-0 backup strategy• Implementation of a self-hosted password manager with Docker on NAS• Continuous technological watch on emerging threats
- STORES SEAS / FENETRES PSPIT TechnicianSeptember 2023 - September 2024 (1 year)Rueil-Malmaison, France• User incident management via GLPI (tickets, tracking)• Deployment of the GLPI agent for automatic machine inventory• IT equipment renewal: preparation, deployment, configuration• Configuration of NAS, VPN, Wi-Fi access points and repeaters, surveillance cameras• Network redesigns and SQL database synchronization with Power BI• Office 365 administration: account, group, and rights management• Modifications on Active Directory, ProDevis, SAGE, SQL Management Studio• Integration and configuration of network printers via the print server• Management of domain hosts (Gandi) and websites (Agence 123)
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Education
- M1 CYBERSECURITY AND CLOUD COMPUTINGENSITECH2025M1 CYBERSÉCURITÉ ET CLOUD COMPUTING
- Bachelor A.I.S (Secure Infrastructure Administrator)IMIE PARIS2024Bachelor A.I.S (Administrateur d'Infrastructures Sécurisées )