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Click here or scroll down to respond to this candidate Candidate's Name
GMAIL: EMAIL AVAILABLE PHONE: PHONE NUMBER AVAILABLEProfessional Summary: With 4+ years of experience in the wireless and telecom industry, I have expertise in 4G LTE, IMS-VoLTE, RAN, 5G NSA, SA architecture, as well as OpenStack and OpenShift Containerization technologies. Experienced working on protocols including S1, X2, N1, N2, F1, O1, O2 and E1 interfaces in RAN. Hands on experience on various 5G RAN architectures, including VRAN, ORAN, CRAN, and VORAN, driving innovation and efficiency in modern networks. Conducted in-depth RAN optimization and performance tuning to improve network quality. Configured and managed RAN elements using EMS platforms, ensuring optimal network performance and reliability. Deployed and managed 5G Core components, including AMF, SMF, UPF, NRF, and NSSF. Integrated and tested 4G/5G applications with EMS solutions using OSS which provided us with flexible, and scalable approach to manage and secure mobile environments. Performed end-to-end call flows from UE registration to data transmission and session release in both 4G and 5G environments. Proven ability to troubleshoot and resolve issues in LTE and 5G networks, ensuring high availability and reliability.
Experience in implementing OpenStack to instantiate, configure, and manage Mobility Cloud 4G/5G VNFs from the ground up, utilizing components such as Nova, Neutron, Horizon, Keystone, Glance, Cinder, and Swift. Skilled in deploying, overseeing, and expanding containerized applications with OpenShift, utilizing Kubernetes orchestration functionalities. Expertise in deploying and managing NFV environments using ETSI MANO components, including NFV Orchestrator (NFVO), VNF Manager (VNFM), and Virtualized Infrastructure Manager (VIM). Expertise in implementing CI/CD pipelines using tools like Jenkins, GitLab CI/CD, for automated build, integration, and deployment of telecom network components. Performed comprehensive reviews of Method of Procedures (MOPs) to ensure they are accurate, complete, and compliant with operational standards and guidelines. Utilized QXDM to capture and analyze logs from mobile devices, identifying issues related to signaling, connectivity, and call quality. Performed validation of network functionalities, encompassing routing protocols such as VLAN configurations, VPN setups, and Quality of Service (QoS) parameters. Developed and executed test cases for Call Box testing to ensure the proper functionality and performance of telecommunication systems. Stayed updated with the latest industry standards and technologies in Call Box testing to continuously improve testing strategies and methodologies. Conducted Root Cause Analysis (RCA) to identify and resolve complex networking issues affecting performance, connectivity, and reliability. In-depth understanding of 3GPP releases and their impact on network architecture, protocols, and services for 4G and 5G networks. Experienced working on cloud implementation, containerization, build processes, version control, software configuration management, issue tracking, quality assurance, and deploy/release management.Technical Skills:Operating SystemsLinux, Redhat, Ubuntu, CentOS, Fedora.Wireless TechnologiesLTE, VoLTE, VoWIFI, and 5G.Virtualization (VIM)OpenStack, Containers, Dockers, Kubernetes, ESXI.Network TroubleshootingWireshark, NetScout.Root Cause Analysis (RCA).Cloud NetworkingAWSNetworking ProtocolsTCP/IP, FTP, HTTPS and SFTP.Professional Experience:Mavenir, Texas Jun 2022 present
Sr. Systems Engineer
Roles and responsibilities: Implemented and validated both 5G NSA and SA architectures, overseeing the integration of gNodeB and LTE technologies to enhance network coverage and performance. Involved in the integration of RAN architecture with core network elements, ensuring smooth interoperability and comprehensive end-to-end service delivery. Optimized coverage and capacity by configuring RAN elements such as base stations, remote radio units (RRUs), and distributed antenna systems (DAS). Participated in industry forums and working groups focused on ORAN standards, influencing the adoption and evolution of open RAN technologies. Responsible for integrating 4G/5G network functions with EMS/USM systems to capture alarms and KPIs.
Leveraged EMS tools to monitor, configure, and upgrade gNodeB nodes, ensuring seamless integration with existing network infrastructure. Implemented and configured IEEE 802.11 WLAN protocols, including 802.11a/b/g/n/ac/ax, to support high-speed wireless communication in enterprise environments. Experienced in deploying and optimizing WLAN networks following IEEE 802.11 standards, ensuring reliable connectivity and seamless coverage. Analyzed end-to-end RAN call flows, encompassing both 4G LTE and 5G NR technologies. Implemented virtualized network functions (VNFs) on platforms OpenShift enhancing resource allocation and scalability to support 4G and 5G services effectively. Implemented Kubernetes Operators and custom resource definitions (CRDs) to extend and automate application lifecycle management. Deployed fault detection methods to proactively identify network issues, performing root cause analysis (RCA), and executing corrective actions to reduce downtime and improve system reliability. Managed complex workflows and resource provisioning through OpenStack Heat templates. Experience with ETSI-MANO Architecture, encompassing NFVI, VIM, VNFM, and orchestration module interoperability. Diagnosed and resolved hardware and software issues within Dell VxRail environments, ensuring continuous and reliable operation of critical applications. Developed test instructions, plans, and cases, along with Method of Procedures (MOPs) and testing reports, to validate projects presented to customers. Conducted IP tracing in networks, prepared test data, specified and executed test case scenarios, and managed test control and statistical data collection, including problem reporting and defect tracking. Created use case call flows, validating customer-facing IMS-based applications end-to-end, and ensuring prompt lab exit to meet business needs. Skilled in using Bash scripting to automate regular network operations, collect data, and generate reports efficiently. Monitored and analyzed network KPIs using QXDM logs to identify trends and potential issues, proactively addressing performance bottlenecks.DELL, Hyderabad Jul 2019 Jul 2021Systems Engineer
Roles and responsibilities: Experience in creation, configuring & managing in OpenStack, and OpenShift. Deployed 5G Core network functions using NFV technologies, enhancing network flexibility. Implemented 5G Core (5GC) network, including AMF, SMF, UPF, NRF, and NSSF components, ensuring seamless integration with existing 4G LTE infrastructure. Created virtual machines (VMs), overseeing virtual networks, and fine-tuning resource allocation to ensure optimal performance and efficiency. Experience in managing the multiple Linux based operating system. Conducted performance monitoring and capacity planning for virtualized infrastructures using tools like Prometheus. Created Python scripts to automate the setup and configuration of network devices, including routers, switches, and base stations, streamlining processes and minimizing the potential for manual errors. Deployed Hyper-Converged Infrastructure (HCI) solutions to streamline data center operations, integrating compute, storage, and networking into a single platform for enhanced efficiency. Conducted security audits and compliance assessments to ensure virtualized infrastructure meets regulatory requirement.
Experienced in using REST-API for automated health checks to ensure VM s status and then perform reboot, manage VM according to the testing requirements and the scale-in/out operations on VM s. Hands on experience on working on Physical to Virtual function design, and deployment on cloud. Developed comprehensive documentation encompassing architecture diagrams, standard operating procedures (SOPs), and troubleshooting guides tailored for virtualized environments. Successfully configured and administered cloud-based virtual machines and storage resources to facilitate smooth workload migration and scalable operations. Performed end-end call flows validation for 4G data browsing, messaging, and voice services.
IBM, Hyderabad Apr 2019 Jun 2019
Infra Engineer
Developed comprehensive machine learning pipelines on IBM Cloud, managing all stages from data ingestion and preprocessing through model training, deployment, and continuous monitoring. Implemented various machine learning (ML) algorithms like linear regression, decision trees, support vector machines using Python libraries such as scikit-learn and TensorFlow. Worked on vehicle sales prediction project to predict the sales of the vehicles based on the previous sales. Proficient in data preprocessing tasks including cleaning, normalization, and feature scaling to prepare datasets for machine learning models.
Collaborated with DevOps teams to ensure scalability, reliability, and performance of deployed models. GitHub Link : click hereEducation: University Degree Start EndKL UniversityComputer Science June 2017 May 2021University Of North TexasComputer Science August 2021 May 2023 |
