Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

SAI PRAKYATH GOLI

MCKINNEY,Texas

Summary

Accomplished Virtualization Engineer at Samsung, adept in deploying scalable 5G solutions on AWS and OpenStack. Expert in automation with Ansible and Helm, achieving 99.9% availability. Strong collaboration skills enhanced cross-functional teamwork, driving successful integration of complex network functions and optimizing performance for high-speed services.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Virtualization Engineer

Samsung
11.2022 - Current
  • Deployed and configured vDU [CDU 50] on Wind River CaaS, ensuring high performance and scalability for 5G RAN operations.
  • Deployed and managed vCU-CP and vCU-UP as CNFs on AWS EKS using Helm, with EC2 node groups, EBS, and IAM roles to ensure scalable, high-availability 5G control and user plane integration.
  • Integrated and managed vCU-CP/vCU-UP deployments via OpenStack (OSP 13/16.1), achieving 99.9% control/user plane availability and ensuring greenfield deployment with zero service disruption.
  • Integrated 5G RAN interfaces (F1, E1, N2/N3) using Multus and SR-IOV for CNF-to-CNF communication, enabling high-throughput real-time workloads.
  • Optimized vDU configurations on Wind River CaaS, including tuning resource allocation, latency settings, and real-time scheduling to meet ultra-reliable low-latency communications (URLLC) requirements.
  • Configured and managed cloud-native platforms including AWS, OpenShift, Wind River CaaS, and Kubernetes for hybrid 4G/5G workloads.
  • Configured and managed OpenStack OSP 13/16.1 services (Nova, Neutron, Glance, Cinder, Keystone, Heat) for smooth VNF operations.
  • Leveraged OpenShift’s orchestration capabilities to manage CNFs (Containerized Network Functions), enabling seamless failover, auto-scaling, and high availability in cloud-native deployments.
  • Designed and automated CI/CD pipelines for VNF deployments using Ansible for configuration management and terraform for infrastructure provisioning in virtualized environments.
  • Implemented Helm charts to orchestrate CNFs within Kubernetes clusters, enabling streamlined deployment, scalability, and lifecycle management of cloud-native network functions.
  • Worked with integrating Samsung RAN components with the 5G Core components including AMF and SMF to ensure mobility and session management functions, optimizing handover handling, and securing N2/N11 interface communication for enhanced end-to-end performance.
  • Developed and optimized HEAT (.yaml) and ENV templates for VNF deployment and instantiation in private cloud environments.
  • Implemented VLAN/VXLAN networking, security groups, and firewall policies to enable seamless communication and protection for VNFs in production environments
  • Contributed to the design and implementation of 5G network function architecture, with a focus on mobility management, session handling, and interoperability.
  • Automated Python, Shell scripting to automate network health checks and failure recovery mechanisms.
  • Integrated Samsung vDU, vCU-CP, vCU-UP into a cloud-based infrastructure to enhance scalability and reliability.
  • Automated vDU deployment and integrated with 5G Core components (AMF, SMF) using Git, Docker, Kubernetes, and Helm, enabling scalable and reliable CNF operations on Wind River and OpenShift platforms.
  • Monitoring functionality and performance validation of USM, focusing on end-to-end verification of critical network interfaces such as S1, X2, NG, and F1 across LTE and 5G RAN/Core domains.
  • Implemented monitoring stack (Prometheus, Grafana, Alert manager) for real-time visibility into pod health, network interface KPIs, and RAN performance metrics.
  • Ensured compliance with 3GPP standards and optimized network parameters for enhanced QoS and throughput.
  • Utilized Spirent Landslide, Wireshark, to simulate and analyze traffic across 5G Core and RAN interfaces (S1, N2/N3, F1), conducting deep packet inspection, load testing, handover validation, and protocol compliance checks to ensure high availability and production-grade scalability.
  • Performed end-to-end testing, validation, and troubleshooting for seamless 4G/5G Core and RAN communication.
  • Collaborated with 10+ cross-functional teams to validate and execute MOPs, ensuring risk-free upgrades and successful post-deployment health checks.

System Engineer

Mindtree/Cisco
04.2019 - 07.2022
  • Deployed 4G vSAEGW using OpenStack (OSP 13) on Cisco UCS C240 M5 servers, ensuring performance and scalability for EPC workloads.
  • Provisioned 5G SMF and UPF CNFs using OpenShift 4.8 on Cisco UCS B200 M5 blade servers, enabling flexible scaling in a multi-cluster environment.
  • Configured and maintained networking for virtualized and cloud-native network functions, leveraging Neutron for OpenStack and Kubernetes SDN for OpenShift.
  • Worked with YAML files and CIQs (Customer Information Questionnaire) for deployment configurations.
  • Managed virtualized infrastructure using OpenStack—Nova for compute, Neutron for networking, Cinder for storage, and Glance for image management.
  • Configured full suite of networking services including DNS, DHCP, TCP/IP, SNMP, and NFS to support infrastructure operations.
  • Integrated Cisco VNFs and CNFs across OpenStack and OpenShift platforms to enhance 4G and 5G Core functionality in a carrier-grade cloud environment.
  • Configured and tested S1-MME, S1-U, and X2 interfaces for interconnection between eNodeB and Core Network, achieving low-latency communication and efficient inter-site mobility.
  • Conducted protocol-level validations on interfaces: S1-U, S1-MME, N2, N3, N4, N6, ensuring compliance with 3GPP Rel 15/16 standards., enabling robust communication between the RAN, core network, and external data networks to deliver high-speed, low latency 5G services.
  • Automated network function deployment using Ansible Playbooks and Helm Charts to streamline VNFs and CNFs onboarding.
  • Worked with CI/CD pipelines to support automated deployment and continuous integration of 4G and 5G network functions.
  • Used Cisco NSO for VNF service modeling and configuration push to edge nodes.
  • Automated daily health checks and network diagnostics on Cisco UCS-based infrastructure, generating connectivity and node availability reports to proactively detect issues and minimize manual effort.
  • Performed troubleshooting and log analysis using OpenStack CLI, OpenShift oc/kubectl commands, journalctl, tcpdump, and system logs to diagnose and resolve network issues.
  • Monitored and optimized performance of VNFs and CNFs to enhance system efficiency, reduce latency, and improve throughput.
  • Validated call flows and traffic handling in coordination with cross-team engineers to ensure smooth service delivery.
  • Parsed and validated S1-U and N3 interface logs for session-level EDR tracking and error diagnosis using Python scripting and Wireshark in OpenStack/OpenShift environments.
  • Collaborated with cross-functional teams to conduct pre-deployment testing, ensuring the seamless integration of 4G/5G Core network functions with operator environments.
  • Managed IP network configuration on Cisco routers and switches to support seamless connectivity across virtualized and cloud-native environments.
  • Troubleshot and resolved protocol compliance and security issues by validating configurations against 3GPP standards to maintain industry-grade performance and reliability.

Education

Masters - Computer Science

Wichita State University

Bachelor Of Engineering - Information Technology

Osmania University

Skills

  • Cloud Platform & Virtualization – AWS, Wind River CaaS, OpenStack, OpenShift, Kubernetes, VMware
  • Wireless & Network technology – 4G EPC, 5G NSA, 5G SA, IMS, O-RAN Integration and testing, NFVO- Orchestrator
  • Operating Systems and Database – Linux, Ubuntu, RHEL, CentOS, MySQL, Oracle
  • Automation Tools - Ansible, Terraform, Helm, Python, Bash, Gitlab CI/CD, Docker, Heat
  • Testing and Troubleshooting tools - Wireshark, tcpdump, Spirent Landslide, Prometheus, Grafana, Kubernetes
  • Web Server - Microservices, RESTful Web Services, XAMPP
  • Protocols - NGAP, PFCP, Diameter, GTP-C/U, HTTP/2, SCTP, TCP/UDP, IP, L2/L3
  • Interfaces - NG (N2, N3), F1, Xn, E1, S1-MME, S1-U, S6a, S11, S5, SGi, Rx, Gx
  • DevOps & CI/CD – Git, Jenkins, YAML, Python

Certification

  • Python-enabled IoT system with AI- CoreEL Technologies
  • Certified 5G LAN Specialist (C5S) Course (Celona)

Timeline

Virtualization Engineer

Samsung
11.2022 - Current

System Engineer

Mindtree/Cisco
04.2019 - 07.2022

Masters - Computer Science

Wichita State University

Bachelor Of Engineering - Information Technology

Osmania University

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