Majdeddine Ben Hadj Brahim

- Emulated MPLS backbone and the existing three-tier data center architecture using GNS3. - Configured load balancing traffic with BIG IP F5 and created Firewall rules with pfsense. - Migrated the existing architecture to a Spine-Leaf architecture with Cisco ACI. - Configured a L2 VPN link between aggregation layer and leaf border to ensure a smooth migration without interruptions.

- Conducted a comprehensive inventory of the IT equipment in the network - Identified and documented the installed software and their versions - Evaluated the existing security measures to identify weaknesses - Performed security audits and penetration tests to detect potential vulnerabilities - Wrote a detailed report, including the inventory, audit results, penetration test findings, and proposed recommendations

- Integrated Wazuh with ELK Stack - Simulated and detected Active Directory attacks (DCSync, Golden ticket, Kerberoasting, Ntds.dit password extraction, and Pass the hash attack) - Developed a Python script to archive logs annually and free up space by removing them from Elasticsearch - Set up email notifications for specific rules/levels - Created a visualization dashboard

Ranked 2nd in National Final Stage of Huawei ICT Competition 2022-2023 "Network Track"

- Set up a private cloud with Proxmox - Ensured high availability, load balancing, and disk mirroring - Set up a Proxy Server with Squid