Kothapatnam Kranthi Kumar

• Created High-Level and Low-Level Design (HLD/LLD) documents for CNIS by gathering requirements and ensuring seamless integration across customer environments.
• Delivered CNIS deployments with SDI-based control fabric, Extreme-based data fabric, Kubernetes-based CCD on BareMetal.
• Performed Common Services installation and integration to establish a stable CNIS deployment environment.
• Provisioned SDI2/SDI3 control fabric and deployed VMs like ccdadm, LDAP, and DNS on CSS servers for enhanced system performance.
• Executed upgrades for CNIS infrastructure including SDI, compute nodes, and data fabric to maintain compatibility and performance.
• Installed and configured EFA/TPVM, automated tasks using EFA CLI scripts, created CCD YAML files, and conducted full-stack post-deployment validation and troubleshooting.

Cisco ACI – Centralized/Global NOC Support

• Delivered Cisco ACI-based network solutions to over 15 enterprise clients as part of a global NOC team.
• Diagnosed and resolved connectivity issues in ACI fabrics, including hardware/software troubleshooting.
• Implemented configuration changes and recommended hardware/software upgrades to improve performance.
• Led infrastructure upgrades of APICs, leaf/spine switches, and performed CIMC upgrades as needed.
• Managed critical incidents (P1/P2), participated in troubleshooting calls, and delivered RCA reports.

Cisco CloudCenter – Operations and Support

• Supported deployments and ensured high availability of environments hosted on Cisco CloudCenter.
• Troubleshot CloudCenter components including CCM, CCO, AMQP, and NSX Advanced Load Balancer (AVI).
• Executed component upgrades within CloudCenter to maintain system compatibility and stability.
• Coordinated major changes with CAB approval and documented RCA for high-priority incidents (P1/P2).

• Delivered critical support during customer emergencies by troubleshooting live node(such as SGW & PGW) issues affecting services.
• Investigated hardware and software incidents on Ericsson routers, coordinating with dev teams for resolutions.
• Addressed Customer Service Requests (CSRs) and JIRA tickets, supporting upgrades, deployments, and projects.
• Created detailed troubleshooting guides for routing protocols and VRE router setup in lab environments.
• Assisted in router software upgrades and configuration, ensuring service continuity and issue prevention.