Lead Network & Security Specialist
Tehran, Tehran, Ir
As the Lead Network & Security Specialist at Shatel, a leading Internet Service Provider, I played a pivotal role in designing, implementing, and managing the network infrastructure.Key Achievements:- Network Architecture: Successfully configured and deployed Cisco ASR9K and ASR1K routers as well as BNG (Broadband Network Gateway) devices.- Advanced Routing Protocols: Implemented and configured BGP multihoming, VRF (Virtual Routing and Forwarding), MPLS, and MPLS-TE (Traffic Engineering) to optimize network performance and resiliency.- Layer 2 Switching: Configured RSTP (Rapid Spanning Tree Protocol) and VTP (VLAN Trunking Protocol) for efficient VLAN management and redundancy.- Network Design: Led the design and implementation of Shatel's network infrastructure and contributed to the design of national telecommunication networks.- IP Backhaul and DSL Services: Played a key role in deploying IP networks as backhaul and providing DSL services.- Security Solutions: Implemented Cisco ANA (Network Admission Control) and Cisco ISE (Identity Services Engine) for enhanced network security and access control.- Billing and Accounting: Deployed Cisco ISG for multi-rate accounting and billing.- Directory Services: Configured and managed Radius, DNS, and TACACS+ for authentication, authorization, and accounting.- Penetration Testing: Conducted regular penetration testing to identify and address security vulnerabilities.Technical Skills:+ Network architecture design+ Routing protocols (BGP, VRF, MPLS, MPLS-TE)+ Layer 2 switching (RSTP, VTP)+ Cybersecurity solutions (Cisco ANA, Cisco ISE)+ Penetration testing+ Network management tools+ Network monitoring tools (Zabbix, Cacti, Solarwinds)+ Data center management+ WiFi HotspotBy leveraging my deep technical expertise and strong leadership skills, I successfully contributed to the growth and development of Shatel's network infrastructure and security posture.