• Acts as the prime technical interface towards customer for radio access network product family, lead & manage technical escalations from Customer.• Lead 5G SW change delivery (SWD) process for SW change management with proper scheduling, change control, MOP, validation & acceptance.• Review and lead customer’s network performance improvement plan with outage reporting & prevention plan, Manage and Control customers’ Service Level agreement fulfillment,• Monitors & lead product NOLS delivery (Technical Notes, Workaround Updates, Priority Corrections) for customers.• Lead technical communication in Customer ORM / TRM and business review meetings.• Develop and establish best operating practices bases on learnings from continuous customer engagement.• Liaise and develop relationship with key stakeholders to understand customer’s business and technical needs.• Drive daily technical management function for production 4G/5G radio access network to provided technical support, R&D / BU communication, LAB testing & verification for issues observed in production network.• Provide Technical leadership for 5G radio access network SW Upgrade / Updates, Modernization, retrofits, and others program including Expert support. • Manage the risks, issues, and execution for customer account, and track them to meet expected outcomes and timelines of various programs.• Negotiate RF performance and optimization issues with internal and customer RF team to bring necessary changes in network.Provide support and Interlock with technical Project Management aspect of delivery phase to Care Handover with reviewing network acceptance including supporting Care Phase technical readiness (process, tools, capabilities, and risk/ risk mitigation plans)Major Projects/Program managed: Network deployment with 30k+ 5G Base StationContinuous SW delivery/deployment on 90k+ 5G/LTE radio nodesContinuous configuration change management deliveries in 5G/LTE radio access network.

Managing LTE and WCDMA, network of Sprint, T-Mobile USA, USCC and many other customers.Provide Engineering & technical supports during RAN network deployment and in care phaseCo-ordination with field engineers for commissioning and integration of new eNB and acceptance testing during network implementation phaseManaging the technical issue resolution during network implementation phasePerforming Testing, verifications and validation of new software release in Nokia and customer labSupervising and guiding Acceptance Test for RAN network elements like eNB, RNC, OMS, i-HSPA BTS Testing and validation of new features activation for new SW release in labManaging SW upgrade and installing change deliveries in eNB /RNC /WBTS /i-HSPA BTS and support FOA for major SW release upgradeWorking and coordinating technical escalation with Tier 3/ R&D group for troubleshooting of various issuesInterfacing with NPO team and customer team to solve network related issuesParticipating in 24 X7 on-call emergency support services for LTE eNB, RNC, OMS and i-HSPA elementsCompetence transfer to team membersParticipation in various project and care technical meetings with customers, R&D and technical team during project and care phaseMajor projects managed:LTE Base Station on roll-out in Sprint 700MHz LTE Base Station roll-out in T-Mobilei-HSPA Base Station roll-out in Montana PCSNetwork modernization project in T-MobileNPGEP and NIS1P HW upgrade project in TMORNC2600 HW upgrade project in TMORU30/RU40 release SW upgrade and supporting FOA in TMO

Care Task:Working with Nokia T2 and T3 in resolving technical problems in Nokia 3G UMTS network Identifying and resolving technical problem arising in network by routine customer interactionCollecting and analyzing Nokia RNC/BSC/CS-PS core interface using Network Protocol Analyzer like K18, Nethawk, Wireshark analyzer for troubleshooting network issuesGenerating and analyzing network drive test report using Nokia network monitoring tools like QXDM, NEMO to troubleshoot the RF related network problemGenerating and analyzing network KPI with Nokia Reporting Suites for network element and plan/perform necessary action in networkParticipating in 24 X7 emergency support servicesConfiguration management of various Nokia network elements like RNC/BTS using Nokia netactPerforming SW upgrade & Change Delivery implementation in Nokia RNC/BSC on routine basisCompetence transfer to team membersProject Task:Planning and coordinating with customer/vendor for integration of Nokia RNC/BSC to MSS, SGSN and NetActCo-ordination with installation team for commissioning & integration of new Node BCo-ordination with project team for addition of new sites, transmission upgrade based on network traffic reportSupervising and guiding final Site Acceptance Test and Multi Vendor Interface Verification testing of Nokia RNC/BSC with equipments from different vendor which includes testing various types of testing scenario Planning and supporting Re-homing of Nokia BTS to new RNC/BSC using Nokia Rehosting Tool as per network planPlanning implementation of various new features license as per requirement of customers.

Project Task:Worked independently to handle North region of Taiwan including 10 RNC & around 2000 sitesCo-ordination with Operator, installation team and RF team to manage operationPlanning commissioning of Nokia RNC as per network planIntegration of Nokia RNC which includes configuring the NEMU, OMU & ESA switch, Configuring IP for RNC-NetAct backbone connectivity, Creation of Nokia Iu-Cs, Iu-PS, Iu-r interface for connectivity between Nokia RNC & MGW / SGSN / RNC. Creation of Nokia Iu-b interface for connectivity between RNC & Node BCo-ordination with installation team for commissioning & integration of Node B & Metro BTSHandling final Site Acceptance Test with Customer which includes testing various types of testing scenario/casesPlanning Re-homing of WBTS to new RNC as per network planCare Task:SW upgrade & Change Delivery implementation in Nokia RNC/BTS on routine basisHandling customer trouble ticket resolutionParticipating weekly care meeting with customerImplementing various parameter changes in Node B using Nokia Configuration Management ToolsIuB, Iur & IuCS interface monitoring using Protocol Analyzer for troubleshooting purposeTrouble-shooting of Nokia RNC, NEMU, and WBTS in caser as well as in commissioning & integration phase.Capturing various types of ICSU, RSMU, and BTS logs required for troubleshooting of problem cases.

SW Upgradation & Change delivery implementation.Commissioning & Integration of Nokia Ultra Edge & Talk Family BTS, Nokia TCSM, Radio Transmission equipment such as Nokia Flexi Hopper, STM-1 NEC Radio and Nokia DN2 & Metro Hub for implementing the protection of transmission path Perform BSC software up-gradation & implementation of change delivery package.Implementation & integration of GPRS hardwareAdministration & configuration of GPRS/EDGE links as per planning Site creation, site rehoming & configuration changes in network through OSSGeneration of performance & measurement report via Report Builder & Network Doctor tools.