Jyothsna Priya Malla
Summary
3 years of experience in Wireless and Telecommunication industry, with Deployment, Implementation, Systems Integration, and testing of the 5G NSA/SA, and 4G EPC platforms.
Working knowledge of 4G and 5G architecture, including NSA and SA platforms, call flows, interfaces, and protocols.
Experience in 4G and 5G vRAN platforms including RU, vDU, vCU-CP and vCU-UP and inter working, interfaces, protocols, and call flows.
Extensive experience in Virtual Infrastructure Manager (VIM) OpenStack and Open Shift to manage the NFVI resources and deploy the 5G VNF/CNF platforms.
Experience in utilizing CSAR packages for various network functions, including images (QCOW2), Heat templates, VNFD, Scripts and other artifacts.
Good knowledge and experience on the ETSI-MANO architecture, including VIM, VNFM and NFVO inter working with NFVI, EMS and OSS systems.
Working experience in creation and execution of the Method of Procedures to deploy the 4G/5G VNF/CNF network functions.
Having experience in the 4G EPC Attach and 5G NR Registration procedures and validation of the Data and Voice calls.
Have good knowledge in 4G/5G EPS Fallback, and LTE Handovers (X2 and S1) and in MO, MT CSFB calls.
Strong experience in test planning, including the creation of Test Object Lists (TOLs), Test Cases, and Test Procedures.
Have hands-on experience with various services offered by AWS cloud like EC2, S3, VPC, IAM.
Have good knowledge of various DevOps tools like Git, Maven, Jenkins, Docker, and Kubernetes.
Have hands-on experience in writing CI/CD pipelines in Groovy script for streamlined and automated software delivery processes.
Created and maintained a centralized repository using Git Hub to store templates and images for efficient version control.
Proven expertise in Tier-3 supports for 5G Core Network Functions, providing contingency plans and Root Cause Analysis (RCA).
Collaborated with internal, cross-functional, and vendor teams, providing valuable feedback for configuration improvements.
Overview
5
5
years of professional experience
Work History
Platform Engineer (5G CORE Platforms)
Charter Communications
01.2023 - Current
- Working on the 5G SA deployment scenarios, including Network Functions Deployment, Implementation, Systems Integration and Testing
- Working in 5G Labs Support team on Deployment of the 5G Network Functions SMF using OpenStack, Kubernetes and ETSI-MANO Architecture
- Experience in 5G Core Network Function SMF deployment and integrate it with EMS/OSS systems
- Working knowledge of 4G and 5G architecture, including NSA and SA platforms, call flows, interfaces, and protocols
- Performed 5G SA Functional Call Flows validations and verified Registration Procedure, Up/Down Link Data Rates, Latency, RTT (Round-Trip-Time) and Throughput
- Working on writing the new feature requirements for CORE Platforms and communicate to the development teams and documenting the feature/release details and validation
- Experience on 5G SA vRAN and Core Platforms deployment using Orchestrator (NFVO) technologies to manage the LCM Operations of the Network Functions
- Working on preparation of the VNF/CNF tenant design sheets for 5G Network function including Compute, Storage and Network requirements
- Working with 5G Lab Infra admin team to audit the tenants, name-spaces to check with requirements provided part of the VNF/CNF designs
- Experience in deployment of the 5G Network Functions using CSAR/TOSCA Packages on-boarding to the Orchestrator for validation and deployment
- Experience in creation and execution of the Method of Procedures (MOP) to deploy 5G Network Functions using VNFD, Docker Images, and Helm charts
- Experience in creation and execution of the Test Object List (TOL), Test Cases, and Test Procedures for Network Function Unit, Functional and Feature test scenarios
- Working on Tier-3 Support for 5G Network Functions in the Lab and production environments and provided contingency plans and Root Cause Analysis (RCA)
- Hands on experience with OpenStack, Docker, Kubernetes, and UNIX to perform day-day activities
- Experience on 5G SA Network Functions deployment on the On-Prime and AWS Cloud environments
Systems Engineer (4G Core Engineer)
T-Mobile (Cisco)
06.2020 - 07.2021
- Worked on 5G NSA Option 3x architecture, interfaces, protocols, and E-NDC call flows to validate the attach procedure, default bearer creation, bearer modification procedure, and Data call flows
- Deployed and configured vSAEGW from Cisco and integrated with gNB/CU-UP to validate the X2n/S1U flows
- Integrated SAEGW with its respective EMS platform Prime to capture and validate the FCAPS
- Performed integration of SAEGW with IMS (SBC/P-CSCF) to validate IR92/IR94 flows
- Worked on deployment of 4G Network Function by providing the tenant design sheets, audited tenants along with the 4G Lab Infrastructure administration team to make sure they complied with the PNF and VNF design requirements
- Working knowledge of ETSI-MANO Architecture, including VIM, VNFM, NFVO to manage the VNF/CNF Life Cycle Management (LCM) including Instantiation, Termination, Upgrade, Scale In/Out, Heal, and Migrate operations
- Created projects, IP design, host Aggregation, flavors, networks, and volumes in OpenStack Horizon by following the deployment MOP document
- Experience in Glancing the QCOW images and templates into OpenStack, subsequently verifying and validating the network function post-deployment
- Working on the creation, and validation of Method of Procedures (MOPs) for systematic network deployment, configuration, and integration
- Performed troubleshooting on the Network and platform issues, creating Root Cause Analyses (RCAs) to provide workarounds to mitigate the issues
- Experience in debugging Platform and Network call flows and captured packets and analyzed using Wireshark to verify as per 3GPP compliance and standards
Education
Master of Science - Computer Engineering
University of Houston- Clear Lake
Bachelor of Technology - Electronics and Communication Engineering
Institute of Aeronautical Engineering
Skills
- Cloud Technologies: On-Prime, AWS, and Azure
- Wireless Technologies: 4G LTE RAN, CORE, IMS and 5G NSA and SA
- Languages: C, Python
- DevOps Tools: Git, Maven, Jenkins and GitHub
- Operating Systems: Linux, Microsoft Windows, MAC OS
- Protocols: TCP, UDP, HTTP, Diameter, GTP-C, GTP-U, and REST API
- Virtualization Platforms: OpenStack, OpenShift
- Packet Analyzer: TCP dump, PCAP with Wire shark
Timeline
Platform Engineer (5G CORE Platforms)
Charter Communications
01.2023 - Current
Systems Engineer (4G Core Engineer)
T-Mobile (Cisco)
06.2020 - 07.2021
Master of Science - Computer Engineering
University of Houston- Clear Lake
Bachelor of Technology - Electronics and Communication Engineering
Institute of Aeronautical Engineering