Sai Anil Kumar Paritala

Experience

• 

  Tata Consultancy Services

  Oct 2007 - Sept 2009

  System Engineer

  I worked as a windows engineer taking care of all the windows systems for TCS customer.

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  AT&T Global Network Services India Private Ltd.

  Sept 2009 - Oct 2017

  Network Provision Engineer

  Role: Network Provision Engineer - Data Centers (LAN/WAN)Responsibilities: -- As Network Provisioning Engineer (Service Delivery), responsible for provisioning ATT Infrastructure across AT&T IDC’s.- Configuring switches & routers for internet handoff and hosting application services across ATT IDC’s.Resume- Manage and monitor change controls effectively and efficiently. Work to support and execute new and existing client’s installationsby delivering 100% successful completion and 0% client outage in the IDCs.- Responsible to provide, review and execute Change configurations.- As part of my responsibilities, I communicate with the IDC engineers in doing the cabling/labeling as per the required design.- I am responsible for migrating the customers from the legacy switches to the newly provisioned switches.- Upgrading the devices with recommended OS to fix the vulnerabilities.- Configuration of L2 technologies Ether channel, LACP and all STP flavors.- Deployment and configuration of CISCO NEXUS platforms, creating VPC domain, FEX (Fabric Extenders) and Fabric Path. Show less

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  International Atomic Energy Agency (IAEA)

  Dec 2017 - Nov 2022

  Senior Network Engineer

  Role: IT Consultant (LAN/WAN & Wireless)As a Network Consultant, I am responsible to design, implement and manage the network infrastructure in the organization with the responsibilities below. Routing Management- Implemented and manage WAN Infrastructure solution MPLS and Cisco SD-WAN.- Implementation, Configuration & troubleshooting of OSPF & BGP routing protocols.- Implementation and troubleshooting VRFs.- Implementing Cisco IOS routing features like summarization and route redistribution.- Implementing and troubleshooting of IPSEC-VPN- Configuring VRRP and HSRP for high availability and redundancy.Switch Management- Planning, Designing and Implementing LAN Infrastructure solution.- Rack mounting, cabling/labeling, and configuring of the switches.- Creating VLANS, Inter VLAN Routing and Trunking using Dot1q Protocol.- Configuration of dot1X and Mac Authentication Bypass for RADIUS authentication.- Configuring VPC & Fabric path in Nexus switches- Managing the nodes in SolarWinds, monitoring the alerts/events, and working on the issues. Wireless LAN Management- Implementing and Managing the Cisco Wireless LAN Controller/ Cisco Prime to provision wireless connectivity to the users.- Creating SSIDs for the Corporate WLAN and Guest Networks.- Special SSID for different departments based on their requirements, e.g., RFID. Configuration and deployment of Cisco Meraki Infrastructure. Security Management- Managing Cisco ISE (Identity Services Engine) appliance by creating authentication and authorization security policies for DOT1x authentication and TACACS+ for network device authentication.- Configuring PKI/TLS infrastructure for Certificate based authentication for printers and notebooks- Fixing the network vulnerabilities discovered in NESSUS scanners, by upgrading the software patches and required configuration changes in our infrastructure. - Monitoring the network traffic in PaloAlto firewalls.- Migrated Cisco ACS to ISE2.4 and to ISE3.0 Show less

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  Wipro Limited

  Nov 2022 - Mar 2024

  Senior Network Engineer
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  AT&T

  Feb 2024 - now

  Senior Network Engineer