Vignesh Selvadurai

Experience

• 

  Gemini Communication Ltd

  Aug 2014 - Jun 2015

  Network Engineer

  Field Network Engineer

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  Access Healthcare Services

  Jun 2015 - Feb 2018

  Network Engineer

  Work Profile• Managing and troubleshooting of Fortinet firewalls in the Local Data Center.• Creating a strong Firewall security policy using the Firewall Rulebase.• Configuring the NAT policy in fortinet Firewall• Managing MacAfee Proxy Services – Categorizing the URL’s, Updating and archiving the Patch File. • IOS upgrade on the Cisco Switches and Routers and Firewalls.• RFC raising for the change order & deploying the same in the Management Firewalls as per the customer requirement.• Good understanding of Security Gateway, Security Server(SMS) and Smart Console• Managing network connectivity between sites.• Monitoring Important events with SmartView Tracker and Monitoring traffic• Adding Users to the security policy using Identity Awareness• Creating VPN policies (Site to site vpn & Remote access vpn)• Route the traffic from Primary to secondary if Primary link is flapping. Show less

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  HCLTech

  Mar 2018 - Jun 2019

  Network Security Engineer

  I have sound knowledge in hardware and networking domain ,we are responsible for implementing, maintaining, supporting, developing and, in some cases, designing communication networks within an organisation or between organisations.

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  Cognizant

  Jul 2019 - Oct 2021

  Senior Network Security Engineer

  Responsibilities:• Installation and configurations of Network security devices such as Cisco FTD devices, switches and routers across the world. • Managing Palo Alto firewalls in the cloud environment from Panorama M-100.• Managing Checkpoint firewalls from checkpoint smart event management console in the cloud environment from Panorama M-100.• Management of Security devices which covers Policy Rules and NAT Addition, troubleshooting, traffic and threat inspection, URL filtering process, OS Upgrade , firewall replacement activities, configuring static and dynamic routing protocols.• Managing Cisco Catalyst Switches, Nexus Switches and Cisco Routers and Cisco Wireless, Cisco ASA Firewalls.• New site implementation in various remote locations across the world.• Replacing all the EOL/EOS devices across all the cognizant sites. Show less

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  Tata Consultancy Services

  Jul 2021 - Jul 2023

  Senior Network Security Engineer

  Design and Implementation project

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  HCLTech

  Apr 2023 - now

  Senior Network Security Engineer

  • Responsible to handle network security operations of on-Premises and cloud Data Centers.• Responsible to handle Technical escalations and providing assistance to clients and customers.• Responsible to perform troubleshooting and packet level analysis to support all infrastructure P1/P2/P3 incidents.