Rohit Kumar

About Rohit Kumar

Works on critical issue like Latency, Packet drop, Slowness in network.• Taking care of Entire LAN/WAN of Nestle.• QOS (Quality of Service)• Traffic shifting according to the demand of networks for avoiding congestion and choking.• Provide L2 support for Cisco (routers and switches).• Work on Tool like SNOW, HPSM, Solar Wind Orion, Voyence, NGCC, Citrix & GERT.• Traffic shifting between Primary and Secondary WAN links.• Performing HA test.• Handling issues like inaccessibility of applications such as Skype disconnections, network slowness, and outlook.• Making configurations on switches like VLAN’s, Trunk, Port channel.• Configuring STP features such as Port fast, BPDU guard, BPDU filter.• Configuring and checking SVI’s for troubleshooting.• Implementing GRE Tunneling• Nexus Switch basic knowledge • Subnet advertisement in BGP/OSPF/EIGRP• Troubleshooting WAN connectivity between remote sites• Basic troubleshooting of WAN optimization devices like Riverbed.• Steel Head Riverbed Troubleshooting• Monitoring, troubleshooting and configuration of Cisco, Juniper Routers & Switches• Supporting and maintaining network inventory for audit, and End of Sale / End of Life devices for replacements per standard contract items.• Raising the tickets & troubleshooting the issues according to the severity till the ticket is closed• Routing protocol using BGP, MPLS, OSPF, VRRP, HSRP, RIP, etc.• Provide L2 support for Cisco(routers and switches) and Juniper(routers and switches)• Good Knowledge of Cisco & Juniper Hardware.• Perform Activities Like:• Cisco IOS Upgradation and juniper Junos Upgradation• Customer Shifting from Cisco 7k to ASR 9k routers, from Juniper to cisco & vice-versa • 1G,10G & 100G link addition for Backhaul Upgradation• Taking backup of each and every device using Kiwicat Tool.• Replacement of Different Hardware part in Cisco & juniper Routers i.e. PEM, SUP Card, RSP Card Insertion & removal, FPC, SCB and RE replacement of Juniper routers etc.• Currently working with cisco for implementing & configuring PEYTO Tier 4 device. • Automate the repetitive tasks using scripting with the help of IBM support.• Generating Daily report and circulate to other teams • Involving and coordinating with TAC support (Cisco/Juniper) for troubleshooting during network outages, hardware failures, Trace backs, Buggy OS behavior, and other errors related issues.• Works on critical issue like Latency, Packet drop in network• Monitor & Troubleshoot Backbone Network including all the MPLS links, and restore the same within given deadline.

Experience

1. Technical Consulting Engineer

   Cisco

   Jul 2022 — Present · Bengaluru, IN

   Member of the High Touch Technical Services (HTTS) team for AT & T, Google, and Microsoft- Ensure best-in-class support for AT & T, Google, and Microsoft, specifically for their core, VPN, and Cloud backbone networks- Resolve network protocol, operating system, and hardware issues for AT & T, Google, and Microsoft within defined SLAs, while delivering detailed Root Cause Analysis (RCA) reports to customers and senior management- Provide expert consultation in independently debugging complex hardware, software, and routing protocol issues- Responsible for preparing Method of Procedure (MOP), Low-Level Design (LLD), and High-Level Design (HLD) documentation- Collaborate with Cisco account teams, as well as internal engineering and development teams, to resolve issues and address bugs identified during troubleshooting- Recreate complex issues in lab environments to identify root causes and triggers- Submit complete and accurate defect reports in the relevant areas of expertise to contribute to product quality improvements- Serve as the HTTS Technical Consulting Engineer representative for escalated customer issues- Deliver system and product training as part of a cross-team skill enhancement project- Possess strong crisis management skills and the ability to handle critical customer issues effectively.

Education

• K.V No. 1 J.R.C Bareilly Cantt, Bareilly

  12th, Science with Mathematics

  2008 — 2011

• ANAND ENGINEERING COLLEGE, ARTONI, AGRA

  Bachelor of Technology - BTech, Electronics and Communication Engineering

  2012 — 2016