Hamed Akhavanfar

-Implemented various risk mitigation strategies including IPS, Network segmentation and Encryption to maintain high-level security across the network infrastructure. - Administrate firewalls, prevent unauthorized access, and troubleshoot network access issues (e.g., access rules, IPS). -Implemented secure remote access solution, enabling secure remote work without compromising network security. - Automated routine tasks Like daily Backup and signature database updates with Python to reduce time by 90%.

- Spearheaded a comprehensive revamp of the Core and Edge networks architecture, resulting capacity increase up to 10 times. - Successfully designed and implemented a high-availability network infrastructure using VSS, Stack wise and VPC reducing downtime and improving overall network performance. - Streamlined network monitoring and troubleshooting processes, resulting in a reduction in mean time to resolution (MTTR) for network issues.

(Internet Service Provider - pishgaman.net) - Implemented OSPF dynamic routing rather than static routing to streamline configuration and maintenance time. - Redesigned BGP Network and IXP neighborship to cut down on bandwidth expenses. - Monitored and maintained network monitoring software (Zabbix and Cacti) to ensure optimal network performance. - Managed enterprise network devices to minimize downtime to ensure uninterrupted business operations. - Troubleshot and escalated network issues as needed.

- Monitored network devices and services to proactively detect and resolve issues. - Reported network performance metrics and SLAs using Zabbix and Grafana - Troubleshooted user problems concerning network connectivity and applications.

- Diagnosed and resolved technical issues related to connectivity, slow speeds, and ADSL Modem configuration - Escalated more complex issues to higher-level support or engineering teams for prompt resolution in order to ensure customer satisfaction. - Collaborated with cross-functional teams to identify and troubleshoot network-related problems