Krishna G. Email & Phone Number

Evaluate and provide network configuration support to launch equipment such as routers and switches.Design and configure Cisco NCS 5500 and Nokia 7250 routers.Perform network maintenance of devices, supporting upgrades and migration.Support and deploy LAN and WAN network connections, hardware, software, and communication links and services.Analyze the network and systems services and troubleshoot any network performance issues.Responsible for the deployment and monitoring of the network infrastructure to company standards.Maintain network hardware such as routers and switches to support deployments and upgrades.

Greater Denver Area

Perform day-to-day activities, including hands-on network troubleshooting, enabling new services, deploying new equipment Provide support for 5G network Infrastructure and setup.Troubleshooting BGP routing and the layer 2 issues.Working on adding security policies to the network FW and routers.IOS, configuration and troubleshooting support on NCS5500, N9k-9300, N9K- C9500, ASR-920, C9300, and C2960 devices.Perform network maintenance to TAP the devices, upgrades and migration.Load balance the Primekey servers using the A10 load balancers and Anycast.Routing protocol including IS-IS, BGP, and IPsec. Support data center Spine-leaf architecture, VxLAN, IPv4, and IPv6 management.Cabling and tapping support of UCS C220 and Netscout devices. Cisco ISE and TACACS support. working on CPE integration with MEG over GRE using OpenWRT. Troubleshooting Networking related issues using the Jira ticketing system. Working on Lucid charts Network designs. Updating network architecture designs as per changes in the network.

Greater Denver Area

Data Engineer• Responsible for configuration, implementation and troubleshooting Nexus 7k/5k/2k switches on a multi-tier datacenter. • IOS installation on Cisco 3750’s, 3850’s, 4507/10, 4500X’s, 6500’s, Nexus 7K, Nexus 5K series switches and 4K, 2900, ASR 1K series routers.• Deploying new routers and switches, replacing 2900s and 3750s routers and switches with 4331 and 3850s at remote sites.• Configuring and troubleshooting of LACP, LLDP, VPC, VLANs, STP, Inter-VLAN routing, QoS, Policy-maps, TCP/IP BGP, OSPF routing protocols and DMVPN technologies.• Tuning up the new regional sites and relocated sites by installing/moving network devices and troubleshooting circuit issues with the service provider.• Configuring wireless Access points at regional sites• Configuring Nexus 7k’s and 5k’s ports to add servers, security devices as per the client requirement to the Network in the datacenter. • Installing and testing new Cisco catalyst 9400’s, 9300’s and 9500’s • Configuring and installing Riverbed for regional sites. • Used various tools like NetBrain for troubleshooting and configuration comparison.• Responsible for updating Visio Network diagrams to ensure they stay current and accurate with network changes.• Responsibilities include real time in-depth analysis and real time trouble resolution of incidents associated with the CISCO and associated operations, support systems, and Data Communication Network Technology platforms.

Rochester, Minnesota Area

• Providing network operational support for all the campuses of Mayo Clinic in Rochester, MN.• Deployment of Cisco Identity Services Engine (ISE) for Wired Network Access Devices.• IOS upgrade on 3850s, 4K routers, Nexus 5ks and Nexus 7ks.• Configuring nexus 5k and 2ks for server connectivity• Worked with Cisco engineers to schedule around 4000 switches for change window using Microsoft SQL database.• Worked with Mayo Clinic Asset database for investigating the unknown endpoint types (i.e., Medical Devices, Research Devices, etc.) • Using Cisco Prime to push the configuration during monitor mode deployments.• Identifying configuration changes that need to be made to endpoints types (Hostnames, FQDN)• Profiling Endpoints and Profiling configuration • Analyzing endpoints information collected by ISE for different endpoints and device types.• Configuration reviews as needed in Access-lists, SNMP Configuration, and IP Helper Address Configuration.• Configuring switches for RADIUS 802.1x authentication- global configuration and interface configuration.• Working with Infoblox IP Address Management (IPAM) tool to investigate endpoint DHCP and DNS settings• Creating and maintaining network documentation and diagrams related to Network operations and support.

Des Moines, Iowa Area

• Maintaining switches and routers, which include upgrading the IOS. • Experience with on call support rotation.• LAN Refresh activity of 3850, 6504 E, 6506 E, 6509 E switches.• Providing support for decommission of the 3750 switches with 3850 switches.• Involved in the DATA CENTER Implementation techniques and methodologies.• Implementing LAN configurations on catalyst 6500 switches. • Checking the Routing OSPF and BGP configuration after Lan refreshment.• IOS upgrade on the 4500X, 6500, 3850 switches.• Adding of the configuration related information to TACACS.• Configured private DNS, DHCP, VLAN tagging server for testing environment.• Troubleshooting different tickets by handling Service Now Service Automation System which were caused by Physical Layer/Link failover.• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.

Hyderabad, Telangana, India

Monitor LAN/WAN issues and troubleshoot issues using ping, traceroute, and SHOW.Track and fix trouble tickets/requests, monitor progress, and communicate with the manager about unresolved problems.Provided on-site and remote customer service for repair of computer/network systems.

Master’S Degree, Management Information Systems, 3.45

Relevant Course Work: System Analysis and Design, Management Info Systems, Advance Computer Networking, Advance Internet Application.

Bachelor’S Degree, Computer Science And Engineering, 3.5