Vinod Prasad

Project: TMO,KDDI,M1

• Experience in 5G call flows as per 3GPP specifications
• Proficient in 5G end to end call flow testing
• Responsible for the testing functionality and deployment of CSD(Cloud Signaling directory) for BSF,SCP,SEPP NFs and ZTS(Zero Touch System) using NCOM(Nokia Cloud Operation Manager)
• Integrating with NetAct/MantaRay tool with ZTS and CSD for checking alarm,FM,PM,Confd Provisioning
• Working on BSF(Binding Support Function) and SCP (Service Communication Proxy)
• Experience in Inservice Upgrade and Rollback using NCOM(Nokia Cloud Operation Manager)
• Preparation of Test Set,Test Planning,Test Execution and reporting bugs
• Deployment of testbed using kubernetes and Openshift
• Geo-Redundancy(XDR) testing between multiple sites
• Verify good experience in Deployment, docker , Kubernetes, OpenShift, Podman
• Experienced in functional and Performance testing
• Experienced in Grafana/Prometheus verifications
• Complete E2E knowledge on 5G core NFs, 5G Core functionalities, call flows, Registration flows, Deployment

• Project: Vodafone-cutomer(Portugal),1u1-customer(Germany),DTAG(Germany),Security Gateway(T-Mobiles)
• Expertise in 5G call flows as per 3GPP specifications Rel-16.
• Responsible for the testing the functionality and deployment of NEF(Network Exposure Function) using helm charts and integrating NEF with other 5GC Network Functions such as AF, NRF, UDM, UDSF, UDR, CRDL, AMF, PCF, SP, NWDAF, MME and KKONG GATEWAY.
• Experienced in UE Registration, Provisioning in couch base.
• Worked in NEF - 5G as a Test Engineer with complete exposure of functionality of the Network Function NEF.
• Proficient with the NEF call flows in 5GC over HTTP2 and Diameter having good exposure to networking technologies such as TCP/IP, Routing, DHCP, troubleshooting.
• Expertise in Functional/Performance End-to-End Quality Testing for the NEF product.
• Proficient in utilizing packet-capture for analysis, load testing, traffic-path analysis to resolve network issues.
• Skilled in implementing, administrating and troubleshooting dockers and Kubernetes network infrastructure.
• Very Good Experience on Dockers, Kubernetes and Microservices based 5GC architecture and deploying the 5GC Network Functions on Virtual machine, and on Cloud Platform(MWP).
• Experienced in agile methodology and discussing the solutions for the feature delivery, writing the System Test Plan with testcases including performance, load, functional and integration testing, negative testing, Reviewing the Test Plan, Maintaining the X-Ray for testing artifacts and test closure.
• Experienced in Automating the functional test cases using Robot Framework template for Sanity and Regression Testing.
• Proficient in using the Linux/Kubernetes
• Experienced in debugging and fixing the customer site issues wrt to helm charts, Reproducing the customer sites issues in the system test lab for the root cause analysis and delivery of the e-patches
• Good hands on experience on troubleshooting the Platform layer issues using logs, maintaining the template using the Grafana dashboard and Prometheus for getting the resource utilization of each container for analyzing the memory leak and container restart issues.
• Experienced in bringing up the End to End Kubernetes cluster for the Functional testing - Involving the Host Machine, VMs, networking, Core DNS, IP/Subnetting provisioning, CRDL, mCMS, Network Functions, Test tool Simulators(dsTest Mobilieum Soultions), Grafana dashboard and Prometheus.
• Contribute in Solution discussions with Software Architect(SA),Systems Engineering(SE), Project management office(PMO) for the reliability.
• Virtualization: Very Good and Highly experienced in Virtualization on KVM host, Creating virtual machines on KVM host, Creating active and standby virtual machines, Virtual Functions, VIRT-Manager, Adding Network Interfaces, SRIOV(Single Root I/O virtualization), PCI(Physical Component Interface),DPDK, Hypervisors, Extending disk space of existing virtual machines.
• Experienced in DEMOINSTRATION of the product to customers.

07/2015- 07/2021

Senior Test Engineer

Wipro Technologies| Bengaluru

• Project: Nokia Siemens and Networking, IP-Infusion.
• Responsibility in testing L2/L3 protocol testing for FTM(Flexi-Transport Module) in BTS(Base Transceiver Station) for Nokia Siemens and Networking project and OcNos product for IP-Infusion project.
• Expertise in Functional/Performance End-to-End Quality Testing for the FTM and OcNOS product.
• Good Experience in Labs for connecting FTM's, BTS and On-Air setups.
• Proficient in utilizing packet-capture for analysis, load testing, traffic-path analysis to resolve network issues.
• Experienced in testing Networking Protocols OSPF, BFD, IPSEC, Telnet, SSH, sFlow, Radius, Tacacs, STP and RSTP.
• Experienced in Traffic Generator IXIA.
• Experienced in agile methodology and discussing the solutions for the feature delivery, writing the System Test Plan with testcases including performance, load, functional and integration testing, negative testing, Reviewing the Test Plan, Maintaining the X-Ray for testing artifacts and test closure.