Jan 2022 – Jun 2022 · 5 mos · Bengaluru, Karnataka, India

•  Design and Deploying SDA on all corporate sites over the legacy Wifi & Wired network.
•  Prepare Design document , site specific Physical layer connectivity visio diagram, hardware requirements etc
•  Configure fabric border router, edge devices, WLC installation and configuration.
•  Onboarding devices in DNAC and ISE and deploy the required configuration

Nov 2020 – Jan 2022 · 1 yr 2 mos · Bengaluru, Karnataka, India

•  Customer Cisco ISE infrastructure Management(Wireless, Guest Wifi, VPN )
•  Onboarding Network devices and Providing different access level to the authorized user through Cisco ISE by Radius and TACACS+ (Device Authentication)
•  Implement posture on Anyconnect VPN
•  Evaluate Automation scope in Cisco ISE using Ansible, Python and REST API

Jul 2018 – Nov 2020 · 2 yrs 4 mos · Kolkata, West Bengal, India

•  Worked on Service Now (SNOW) & HP Service Manager Ticketing Tools and handling P1/P2/P3 incidents, Change requests, Service Catalouge Tasks.
•  Working on NetScout nGeniusONE for clear insights into service performance across IT environment from Network, Application, and User community perspective.
•  Troubleshooting Application performance problems like slowness over the WAN Network.
•  Network inbound/outbound traffic analysis, WAN circuit monitoring and Auditing.
•  Working on Cisco Prime(Deployment, Configuration, Implementation)
•  Patch installation/Hot fixing/ Version Up gradation of Cisco Prime
•  Network device addition and managing through Cisco Prime
•  Configuring Smokeping for Latency monitoring of WAN Circuits.
•  Configuring Netflow for Finding Top Talkers lists.
•  Bandwidth utilization analysis through different Monitoring Tools
•  Experience on Cisco ISE (Deployment, Configuration, Implementation)
•  AAA Knowledge & Radius/Tacacs Policy creation in Cisco depending upon different authentication requirement
•  Use of Splunk for finding syslogs.
•  Troubleshooting Application/Network performance issues using Wireshark, Riverbed Tools.
•  TCP/IP Packet analysis.
•  Providing problem resolution required to meet serviceability requirements

Jan 2017 – Jul 2018 · 1 yr 6 mos

•  Evaluate and implement IT security technologies as per requirements submitted by management, projects, Information Security Management teams etc.
•  Study analyst reports like Gartner, Forrester for selection of leading products in specific technology domain for PoCs and understand evaluation criteria used by them
•  Documentation of PoC reports and presentation of solution to management for approvals
•  Design product architecture and overall solution as per TCS environment
•  Implement finalized solutions across TCS or as per the scope of requirement
•  Manage operations of implemented solutions
•  Setup of quality processes like BCP, VA, monitoring, project documentation etc.
•  Handover of projects to operations team later if expected
•  Provide L3 support for troubleshooting complex issues, new configurations as product SME post deployment
•  Provide end to end support for all IT security related activities in coordination with other IT teams across geography for TCS
• Working in below security Products
• Cisco Switches, Routers, ASA Firewall, ACS
• Cisco Identity Services Engine(ISE)
• Cisco Wireless LAN Controller(WLC)
• Cisco Anyconnect Secure Mobility Client
• Wireless Intrusion Prevention System(WIPS)-Airtigh/Mojo
• Data loss Prevention(DLP)-Websense
• Vmware Esxi
• Firewall-Check Point, ASA, PaloAlto.

Jan 2015 – Dec 2016 · 1 yr 11 mos

• Network Security Engineer in building and supporting security infrastructure for various technologies.
• Part of the team for finding new security solution, products conducting POCs of products & implementing the solutions.