Mahmoud Abdelaziz

Over Mahmoud

Senior Network & Security Architect with 27+ years of experience designing, implementing, and securing carrier-grade, mission-critical infrastructure for global telecom leaders (Verizon, Orange) and multinational enterprises. Proven track record of sustaining 99.999% network availability across 14-country MEA and European backbones. Expert in Zero-Trust Architecture, OT/IT micro-segmentation (FortiGate, Cisco ISE), and large-scale M&A network integrations—harmonizing BGP policies and firewall rule-bases across 4,000+ devices with zero SLA breaches. Specializes in securing complex industrial and operational technology (OT) environments against ransomware and advanced threats, reducing breach dwell-time by 70% in critical sectors. Deep technical proficiency across multi-vendor routing/switching (Cisco IOS-XR, NX-OS, Juniper JunOS, Ciena), next-gen firewalls (Fortinet, Palo Alto, Cisco Firepower), and cloud SD-WAN (Meraki, AWS, Azure). Available for immediate remote advisory or on-site commissioning worldwide. EU citizen – no work permit required. Category Skills Routing & Switching Cisco IOS-XR, NX-OS, Juniper JunOS, Ciena, BGP, MPLS, VXLAN, DWDM, OSPF, EIGRP Next-Gen Security Fortinet FortiGate (F40/F60/F80), Cisco PIX/ASA/Firepower, Palo Alto, ZTNA, Zero-Trust Architecture OT/ICS Hardening Micro-segmentation (Cisco ISE), ransomware defense, industrial control system security Cloud & SDN Meraki SD-WAN (MX/MS/MR/MV), AWS, Azure, Cloud Security Policy, Zero-Touch Provisioning SOC Operations L1 Monitoring, L2 Analysis, L3 Incident Response, Threat Hunting, MTTR reduction M&A Integration IP reconciliation, BGP route de-duplication, firewall policy harmonization, zero-downtime migration Telemetry & Monitoring Streaming Telemetry, SNMPv3, network performance optimization

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