aimen.thecool

Network and Security Engineer with 7+ years of experience designing, implementing, and managing enterprise-scale networks across government and corporate environments. Skilled in Cisco routing & switching (CCNA, CCNP) and Fortinet Security Fabric, with hands-on expertise in Next-Generation Firewalls (NGFW), SD-WAN, VPN, LAN/WAN/WLAN, and hybrid cloud connectivity (OCI/MPLS/ISP). Proven track record in administering 250+ branch networks, 1500+ APs, and 250+ VPN tunnels with 99.9% uptime, while ensuring compliance, threat protection, and SLA adherence. Adept at network design, migrations, firmware upgrades, vulnerability mitigation, and performance monitoring using industry tools (Wireshark, SolarWinds, PRTG, SNMP). Recognized for strong troubleshooting skills, cross-team collaboration, and delivering secure, scalable, and resilient network infrastructures.

Configured and maintained Cisco LAN/WAN infrastructures to ensure high enterprise network availability.  Implemented and optimized routing protocols (OSPF, BGP, EIGRP) and switching protocols (STP, MSTP, EtherChannel, VLANs) for enterprise-scale deployments.  Enhanced network security and performance by applying Access Control Lists (ACLs), Quality of Service (QoS), and traffic shaping.  Conducted network monitoring and troubleshooting using Wireshark, SNMP, NetFlow, and PRTG to identify and resolve performance bottlenecks.  Coordinated disaster recovery plans, ensured SLA compliance, and performed security hardening for critical environments.  Provided Tier-3 support for end-user escalations and internal team issues under strict SLAs.

Provided L2/L3 troubleshooting for WAN/LAN, VPNs over MPLS/IP networks, and security devices.  Implemented and optimized spanning-tree protocols (PVST, RPVST, MSTP), EtherChannel, and VLAN-based designs.  Monitored and supported enterprise infrastructure using SNMP tools, diagnosing and resolving complex network issues.  Implemented traffic filters, ACLs, and route maps for access control and regulatory compliance.  Delivered 24/7 NOC support for network faults, performed Root Cause Analysis (RCA), and managed escalation procedures.