Naveen Kumar

Experience

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  Wipro InfoTech

  Dec 2010 - May 2014

  Network Engineer

  • Providing 2nd level Network Support in configuration and support datacenter environment consisting of Cisco routers, L2/L3 switches.• Working with the data center planning groups, assisting with network capacity and high availability requirements.• Review project specifications, Network Topology and make design/implementation recommendations for service improvements and providing the same to Customer.• Troubleshooting Complex Routing issues (IP,OSPF,EIGRP,RIP,BGP) and related tasks (Nat, PBR,).• Troubleshooting L2/L3 Switching issues (IP/ARP/MAC, STP, RSTP, VLAN, VTP, port security, L2/L3 Ether-channel) and related tasks.• Strong L2/L3 switching experience and troubleshooting skills: (Production LAN design fully versed in networking concepts such as STP/RSTP/PVST, ARP, VTP).• Understanding of network security methodologies as a whole, including but not limited to: ACLs, VPNs (tunneling, IPSec etc.)• Understanding enterprise-level LAN/WAN network design and to create useful documentation with Microsoft Visio and other tools with revision control as and when architecture changes.• Handling various types of connectivity’s such as V-sat, CDMA, MPLS, leased Lines, ISDN (PRI & BRI) Connections, Channelized E1 lines and all sorts of third party connectivity and basic knowledge on Frame Relay, ATM.• Working on Root Cause of Complex Problem TAC and mitigation and providing the same to Customer.• Identifying & highlighting various risks in Network Topology, incorporating the same in Risk register and working towards mitigation with Change Management procedure.• Performing Network Integration tests and working with service providers to implement new or upgraded data network onsite.• Reports -Repeat call analysis, updating RISK register for customers as per SOW.• Handling all performance related issues and to analyze bottlenecks and single point of failure.• Preparing and submitting field technical complaints, RCA/RCCA, analysis and Availability reports. Show less

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  Tata Consultancy Services

  May 2014 - Dec 2014

  Senior Network Engineer

  * Responsible for providing configuration support for datacentre environment consisting of Cisco routers, Juniper Routers, L2/L3 switches, F5 Load Balancers & Juniper Firewalls.* Implementing changes like ACL creation, addition of policies on Firewalls on Juniper through NSM (Network Security Manager).* Following Standard Operation Procedure (ITIL Foundation) while creating and implementing the Change requests.* Handling business critical change tickets.* Ability to analyse, configure and troubleshoot networks.* Involved with implementing and maintaining network monitoring systems (CiscoWorks and HP OpenView) and experience with developing complex network design documentation and presentations using Visio.* Creating Virtual IP address, Pools and Persistence profiles on F5 LTMs.* Create complex iRules using TCL language for URL redirections, HTTP header-insertion and HTTP header modification.* Creating Wide IPs with various load balancing methods like Global Availability, Topology and Round Robin.* Dealt with F5 GTM solutions, including Pool Load Balancing Methods, probers and monitors.* Perform SSL Offloading on LTMs and web accelerators with 2048-bits VeriSign certificates. Also, renewing certificates to ensure the security of websites.* Experience in Configuring the NX-OS operation system in the data center.* Experience configuring Virtual Device Context in Nexus 7010* Implement the firewall rules using NetScreen manager (NSM).* Commissioning & de-commissioning with Cisco 7500, 7200, 6500 with SUP 720 module, 3550, 2950 switches for the Data centre migration & operations. Show less

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  Mindtree

  Dec 2014 - Jul 2017

  Technical Specialist
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  Salesforce

  Jul 2017 - now

  • Lead Network Engineer

    Feb 2024 - now

  • Senior Network Security Engineer

    Feb 2021 - Feb 2024

  • Network Security Engineer

    Jul 2017 - Feb 2021