Narsing Rao Tanneru

⮚ Monitoring & updating policies and verifying the logs in Cisco Firewall ASA 5525-X (FMC and FTD).

⮚ Configuring and maintain switches like Cisco 4500 (Core Switches), Cisco 3850 (Distribution Switches), Cisco 3750, Cisco 9200, 2960 Series & Ruckus ICX7150 Switches.

⮚ Monitoring the network through monitoring tools using LibreNMS and Nagios Core.

⮚ Installing & Monitoring Antivirus (Trend Micro Apex one) to all the Desktops.

⮚ Up gradation of Cisco FTD, FMC, ASA and Upgrading IOS with the support of Cisco TAC.

⮚ Implementing Policies based on customer requirement.

⮚ Working experience in Virtualization Esxi 6.7 and Esxi 5.5.

⮚ Troubleshooting and rectifying L1 & L2 related issues and providing permanent solutions.

⮚ Actively participating in resolving customer and intranet related network issues by coordinating with inter teams, clients until the issue is resolved.

⮚ Remote support for all network and firewall infrastructure with zero down time.

⮚ Co-ordinate with Cisco TAC team for the critical and business impact unresolved issues.

⮚ Analysis of Network related issues which include migrations, version upgrades and access network faults.

⮚ Responsible for the implementation, troubleshooting and maintaining operations of network Systems.

⮚ Responsible for Planning/design/maintenance of networking infra.

⮚ Checking the log details of all switches and routers and regularly making health checks in Routers & Switches. And weekly backup for all Cisco devices.

⮚ Designing and managing scalable networks by using Static, Default and Routing protocols like RIP, IGRP, EIGRP, OSPF and BGP.

⮚ Configuring, Monitoring & Maintaining Wireless Campus LAN (Cambium Network Devices).

Worked with CMS Computers Ltd as a HELPDESK Technical Support Engineer in NIC ( National Informatics Centre, Hyderabad ), in FMS Project of National Data Centre.

Worked with TerraCiS Tech Ltd (Formerly Known as IL&FS Technologies Ltd) as a HELPDESK Technical Support Engineer in NIC ( National Informatics Centre, Hyderabad ), in FMS Project of National Data Centre.

Worked with Wipro Limited as an Administrator in NIC ( National Informatics Centre, Hyderabad ), in FMS Project of National Data Centre.

Worked with Dhii Health Tech (P) Ltd as a Site Engineer in NIC ( National Informatics Centre, Hyderabad ), in AMC Project of National Data Centre with Wipro InfoTech.

Worked with Swafe BPM (P) Ltd as a BMS Operator in Mahindra & Mahindra (Chennai) Data Centre.

Worked with Ashwani Refrigeration & Electricals as System Engineer in NIC ( National Informatics Centre, Hyderabad ), in AMC Project of National Data Centre.