Kumar SP

● Working as a consultant to Dish Network for the Deployment and Operations support as a part of the project.

● Setting up of connectivity between the On Prem to AWS Cloud for CNC connectivity. Adding the subnets to the TGW- Transit Gateway.

● Working on the installation of HA APP to enable the redundancy between the XR routers set in pairs of primary and secondary for more than 4000+ routers.

● Troubleshooting on the tickets and working on the operations support for the customer.

● Worked on the GRE TUNNEL optimization for more than 3000+ XR routers with the help of BPA tool. ● Perform the traffic cutover between the primary and secondary XR routers.

● Performed SMU upgrades on the XRv Routers.

● Working on the Architectural changes on the production routers attaching the ENI’s to the Internet VPC and also migrating the traffic of VOICE and DATA to the router servers. Configuring the BGP peer between the XR routers and Route Servers.

● Updating the route tables of the production routers and enabling the security groups for each location set of routers.

● Troubleshooting on the HA APP installation application checking the logs on the container and debugging the issues.

● Configuring the routers day1 configuration on each location with routing protocols include BGP, ISIS and Static routes . Configuring the Vrfs for each Network function and assigning the Network function to each VRF and also assigning the vrf’s to the interfaces of the routers.

● Configuring the BGP between the NDC (National Data Center), RDC (Regional Data Center) and BEDC (Back End Data center) routers.

● Working on the CBR migration (Cloud Border Router) that acts as a connection between the on prem and AWS.

● Setting up of Panorama Palto Alto firewalls on the AWS, XR routers manually and via Cloud formation Template.

● Deploying VPC’s and assigning the internet VPC and RAN (Radio Access Networks) VPC to the XR routers.

● Virtualized the servers using the Docker for the test environments and dev-environments needs and configuration and automation using Docker containers.

● Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/ Ubuntu/RHEL and Windows)

● Configuring launched instances with respect to specific applications. - cross work VM, CDG – Controller data gateway and NSO – Network Service orchestrator VM.

● Deployed the CNC, CDG and NSO in EC2 and EKS setup. Tested out the collection jobs and also worked on the feature testing, scale testing of CW 4.5 version and CW 5.0 version.

● Worked on Auto scaling, CloudWatch (monitoring), Amazon S3 (storage) and Amazon EBS (persistent disk storage).

● Deployed the CNC, CDG AND NSO with Jenkins Pipeline.

● This project is related to upgrading to new end devices based on the existing devices life cycle.

● Configuring devices and preparing drawings for new sites.

● Remote site network design, implement and troubleshoot in various network environments.

● Configuring CISCO devices 2900, 3550, 3750, 3850 switches Nexus 9000/ 7000/5000switches, ASR, ISR, 4351 and 4331 Routers

● Participated in IT infrastructure Planning & designing network projects, involved in network designing, technical proposal write up and documentation for data center migration.

● Created a wide range of technical documentation and Visio designing (HLD, LLD, Transitions phases, migration test plans, Migration Checklists, Risks and Impact analysis, LAN standards).

● Developed Data Center Migration Runbook (Migration Approach, Pre-Cutover Activities, Cutover day Activities, Post cutover Activities, Communication Plan, Monitoring plan, Rollback plan)

● High level and Low-level design, Datacenter design, discussions with Architect Team ● Performed Power Down and Power UP testing on as a part of migration.

● Worked with the vendors and management for upgrading the existing network devices to new hardware.

● Performed site survey for documenting details of port-count, Label of devices and other migration activities.

● Migrated and extended VLANS from one datacenter to another datacenter successfully without any Layer 2 and Layer 3 issue

● Deployed, configured, and maintained network equipment that supported LAN/WAN activities.

● Participated in “on call” rotation and provided network support for new application releases.

● Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.

● Worked with Internet Service Providers and business partner vendors on activation of new ACT CIRCUITS.

● Performed racking, un-racking of network devices on datacenter racks.

● Configure Access list, NAT policies on ASA firewalls.

● Configured and Troubleshoot DNS/DHCP servers and issues within the LAN network

● IOS and NX OS upgrade on production devices as per company standards

● Handling Network troubleshooting tickets in Remedy to ensure Stable operation of devices within SLA time breach meetings

● Closely work with the project manager to develop the project timelines and send start time and end time of cutover.

● Experience working with Cisco IOS upgrades on Cisco Devices – 4500, 3850, 3560 and 3750-x POE.

● Add Voice licenses to ISR routers. Setting up of Voice Vlan on the Access layer switches.

● Experience with redistribution from EIGRP to OSPF Routing protocol.

● Configuring OSPF on catalyst 6880, 4500 with various VLANs.

● Configure HSRP and VLAN trunking 802.1Q, VLAN Routing on the above switches.

● Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.

● Implemented Network Design for Hospital Sites. This includes the changes to both the voice and data environment.

● Installation and Configuration of Cisco Catalyst switches 4500, 3750 & 3850 series

● Configured routing protocols - OSPF, EIGRP with Access Control lists implemented as per Network Design Document and followed the change process as per LAN standard document

● Configuration of port channel between core switches and server farm block switches N9K-C9372TX-B18Q.

● Designed the Rack diagrams, prepared the BOM for the sites.

● Performing the LAN and WAN cut over from old devices to new (3750, 3550, 3560 and core switches are 4500 and 6880-XL).

● Monitored network capacity and performance to diagnose and resolve complex network problems.

● Provided complete end-to-end engineering and installation of route-based IP network solutions.

● Performed troubleshooting for Juniper, Cisco, and packet analysis.

● Provided network support services for devices such as hubs, bridges, routers, and other hardware.

● Created VPN infrastructure and allowed for secure remote connections.

● Reduced downtime with proactive monitoring of network devices and rapid troubleshooting.

● Enhanced security by implementing firewalls, VPNs, and access control systems.