Jai Sharma

Part of Amazon E-Commerce Network Engineering team which is a multi-billion dollar Global Entity

• Act as Network Engineering Escalation Engineer on rotation, getting engaged in highly impacting and visible sev1/2 cases
• Plan, design,perform PoC, validation of Solutions on AWS cloud infrastructure
• Responsible for design and deployment of highly resilient, available Cisco ViptelSD-WAN solution with the solution components hosted in AWS cloud
• Participated in migration of Physical DC to AWS EC2 based Virtual DC which was used to provide connection to AWS Corp
• POC for security approvals and policies evaluation for Greenfield and Brownfield deployment
• Leading NOV (Network OS Validation ) and Network Infrastructure Validation Initiative
• Work on Resolving critical Network Availability risks
• Maintaining, troubleshooting, improving, optimizing a highly routing scaled infra which used Routing protocols such as OSPF, BGP/VXLAN etc on Cisco and Juniper Gear
• Leverage python and internal tools for automation and orchestration and also work on pipelines. Using Git for creating and using packages
• Write Troubleshooting Guides, SOPs , knowledge wikis for use within Amazon
• Led audit of AWS instances which led to savings of around $10,00000
• AWS services (VPC, EC2, Route 53,Cloudformation, Guardduty, WAF, Managed Firewall, Cloudwatch, Cloudformation, S3, API Gateway etc)
• Perform Proof of Concept of solution, test. and validate solutions in lab and present the solution in Network Design Review forum

I worked as Senior Networt Engineer in the WAN Engineering Team which is responsible for Network Connectivity for all Walmart Region and Store Edge Networking. Walmart is the largest company by Revenue in the world.

• Maintain design and robustness Internet connectivity and security for almost 10 K Walmart stores, across all regions across the world
• Resolve issues escalated by Day-2 Operations team
• Work on Cisco ASR9k portfolio for DC and WAN edge
• Troubleshoot routing issues related to protocols such as BGP/OSPF etc
• Perform bug scrub for ASR9k platforms
• Maintain resiliency to multi-cloud Networkng
• Performed Cisco ASR9k OS upgrades
• Planning Cisco ASR to Juniper MX platform Migration

Worked as a Senior Network Development Engineer (Individual Contributor)/Consultant as Oracle cloud consisting IAAS, PAAS and SAAS offering

• Working on Oracle Cloud networking infra on Oracle Gen1 and Gen 2 cloud for all Oracle Customers across the globe.
• Worked on maintaining and troubleshooting Routing/Switching Infrastructure/Security/Data Center for a public cloud provider (BGP/OSPF/EVPN-VXLAN etc)

• Assist customer migration from On-Prem to Oracle cloud by establishing cloud connectivity solution such as OCI Fastconnect
• As part of Reliability Engineering Write Runbooks and SOPs
• As part of Physical Networking Team was responsible for maintenance, operation and troubleshooting on highly scaled DC infra
• Good understanding of TCP/IP stack and security services, HTTP/HTTPS, DNS, IPSEC tunnels, working of https, SSL, GRE Tunnels
• Troubleshooting network and security infra, take packet captures and analyze using wireshark, tcpdump
• Setting up network security policies and security group on the Virtual Cloud Network
• Working on automating tasks using python, version control using Git.
• Good understanding of Linux based systems
• Perform testing for OCI Fastconnect solution in lab environment

Worked as Senior Network Engineer Engineer for News Corp(Media Conglomerate),.This role includes (not limited to ) the following

• .Work on the design,optimization,maintenance,troubleshooting on Network and security infrastructure for 6 DC and 70 sites and LAN/WAN infrastructure
• Working extensively on Palo Alto Firewall (Security Rules, Policies, Ipsec Tunnels, routing, Panaroma, Cloudgenix SDWAN etc)
• . Setting up,monitoring and troubleshooting IPsec vpns,around 400 in number and maintaining Direct connect with AWS as well as setting up redundant path.
• Being part of activities in migrating services from MPLS transit to Ipsec tunnels,migrating L3 services to Palo Alto firewall
• .Troubleshooting complex Routing and switching/Security infrastructure for the Data Center and Edge (OSPF/BGP/EVPN-VXLAN/IPsec/SSL/VLAN/Cisco Nexus/ACI/ASR9k)

• Using networking tools to troubleshoot performance issues(Analytic response,Sevone, Wireshark,Good grip on TCP/IP stack
• Awareness about AWS cloud, F5 load balancers
• Troubleshoot complex issues on VMware Network Infrastructure
• Conduct training and tech Talks

Worked as Senior Technical /Focussed Support supporting the operations and maintenance for Vodafone India Mobile Packet core Telco Network (2G,3G,4G)

• Worked as Technical Assistance/Escalation engineer for a network with almost 400 Million mobile subscriber catering 2 TB of traffic overall
• Was part of team handling DC Fabric and IP network as well as network and infra security
• Responsible for operating, troubleshooting and maintaining 23 Data Center Across India, 7 physical Data Center and 16 Virtual DC based on Cisco Proprietary Private SDN Cloud based on Cisco VIM
• Troubleshoot issues on Cisco ASR 9k, Good knowledge on hardware and software traffic flow across the device. The routers were running OSPF and BGP, EVPN-VXLAN, L3 VPN etc
• Work on ASA firewalls which were in HA and acted as a gateway devices in a complex setup, worked Extensively on IPsec and GRE
• Worked on Cisco Firepower which was used for high Density Data center Traffic
• Worked on Cisco URL filtering solution for customer IoT solutions
• Troubleshooting Switching issues on Cisco Nexus Portfolio
• Led projects for Network Upgrade from Cisco 7600 to ASR9k and Cat 6500 to Cisco Nexus 7k
• Was part of implementing VDC on Nexus
• Was part of building a private lcoud, taking care of ACI and ASR9k devices
• Troubleshoot issues related to Akamai and Meta CDN for Vodafone on Cicso NCS 5k platform
• Troubleshoot complicated customer issues in realtime, perform packet capture and analysis
• Worked on Network Monitoring Infrastructure
• Worked on Linux based DNS servers and a briefly on VMware hosted applications
• Recreate and simulate Customer issues in lab, colloborate with BU and Software Engineering team for debugging, filing Defects.