Ghislain G.

Welcome! If you are a company of any size seeking: ☑️ An IT system engineer with an in-depth grasp of security, automation, and overall system infrastructure. ☑️ A detail-oriented freelancer with a strong emphasis on end-to-end quality and communication. ☑️ Consultation on infosec, AD, Intune, Office 365, or any IT-related concerns. ☑️ A transition to a modern, secure, and user-friendly workplace for both you and your end-users. Look no further! ✅ I am a freelancer with a wealth of experience from various projects in both the public and private sectors, spanning SMEs to CAC40 corporations. ✅ As a Windows Technical and Security Architect, I have accumulated 9 years of expertise and hold a master's degree. ✅ I have hands-on experience in designing Active Directory tiering structures, setting up Privileged Access Workstations (including Attack Surface Reduction Rules and Mimikatz prevention), and in hardening Active Directory. ✅ My proficiency extends to planning, deploying, migrating, securing, and troubleshooting Microsoft technologies. 🫵 Let’s collaborate to optimize, fortify, and uplift your IT infrastructure! Any inquiries? Interested in a collaboration? 📞 Reach out to me with your job proposal, and let’s schedule a complimentary 30-minute consultation to discuss your needs and how I can be of assistance. 📞 ________________________________________ Career Highlights: 🟢 Elevated Microsoft Endpoint security score from 30% to 70%, coaching the existing IT team on network isolation and the use of privileged and restricted accounts. 🟢 Implemented MFA and conditional access while training over 200 end-users. 🟢 Streamlined user and computer onboarding processes. 🟢 Security enhancements received commendations during an on-site grey box pentest (took the red team 3 days to breach). 🟢 Developed an RDS farm featuring multiple desktops and apps, accessible through Azure Application proxy and on-premises (use of FSLOGIX, restricted and secure access for end-users). ________________________________________ Services & Solutions: ✅ Architecting secure cloud and on-premises structures. ✅ Conducting security audits for Azure and Active Directory infrastructure and policies. ✅ L2-3 IT support: Resolving complex issues and adding efficiency into resolving common tickets. ✅ Intune setup, IT team training, and issue resolution. ✅ Overseeing security processes, from review to solution implementation. ✅ Identity protection, including conditional access policies, MFA, and Windows Hello. ✅ Office 365 assistance: Facilitating seamless OneDrive/SharePoint adoption for end-users, and migrations from on-prem file servers to SharePoint. ________________________________________ Technological Expertise: ⚒️ Microsoft Azure, Azure Automation, and Office 365 ⚒️ Microsoft Defender (covering ASR Rules, Identity, Endpoints, Azure) ⚒️ Microsoft Intune (Updates management, Configuration profiles, Autopilot) ⚒️ Microsoft Exchange (focused on anti-phishing and anti-spam policies) ⚒️ Microsoft Active Directory (GPO, security hardening, and security audit tools like BloodHound and PingCastle) ⚒️ Comprehensive understanding of other MDMs: SCCM and Jamf. ⚒️ Proficient in PowerShell scripting ________________________________________ Thank you for taking the time to get to know me! 🤝 Should you wish to collaborate, please send your job proposal via Upwork and secure a free consultation slot with me. I look forward to our conversation! Note: I'm originally from France, but I'll be operating in US time zones until the end of February. Ghislain GOUBIN