Richa Sabharwal

Experience

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  Huawei Telecommunications India Company Pvt. Ltd.

  Jul 2008 - Jul 2009

  Graduate Engineer Trainee

  Job Responsibilities:• Planning the Implementation of Product Configuration and Integration work of Huawei Circuit Core Network Elements: HLR9820 Home Location Register (HLR), MSOFTX3000 Mobile Switching Centre Server (MSS) and UMG8900 Media Gateway (MGW).• Execution of Hardware Deployment, Software Configuration, Software Commissioning, and Integration of Huawei Circuit Core Network Elements: HLR9820 Home Location Register (HLR), MSOFTX3000 Mobile Switching Centre Server (MSS) and UMG8900 Media Gateway (MGW) in customer network.• Performing Hardware and Software Acceptance Testing of Huawei Circuit Core Network Elements by complying with all the regulatory policies and procedures in coordination with customer representative.• Coordination with different teams like Technicians, Design Teams, Project Managers, and Engineers for the proper execution of the Project.• Identifying and driving improvements in the overall project execution. Show less

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  Kelly Services India Pvt. Ltd.

  Jul 2009 - Apr 2010

  Engineer-NSS

  Job Responsibilities:• Participation in various levels of technical discussions with customers to understand their network requirements along with Huawei Pre-Sales team. • Designing and implementing IP plan for Huawei Circuit Core Network elements.• Execution of Hardware Deployment, Software Configuration, Software Commissioning, and Integration of Telecommunication Huawei Circuit Core Network Products: MSOFTX300 Mobile Switching Center Server (MSS), UMG8900 Media Gateway (MGW), HLR9820 Home Location Register (HLR) and SG7000 Signaling Transfer Point (STP) in the customer network.• Performing Hardware and Software Acceptance Testing by complying with all the regulatory policies and procedures in coordination with customer representative.• Preparing Documents for the smooth handover of the nodes to Managed Services team for operation and maintenance.• Establishing good relationship with the customer by resolving their queries within the contracted time and providing correct solutions. Show less

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  Huawei Telecommunications India Company Pvt. Ltd.

  Apr 2010 - Aug 2012

  Engineer

  Job Responsibilities:• Working on presentations and participated in various levels of technical discussions with customers to understand their existing system and provided them various possible suggestions for scope of improvement in their network.• Execution of Hardware Deployment, Software Configuration, Software Commissioning, and Integration of Huawei Circuit Core Network Products: MSOFTX300 Mobile Switching Centre Server (MSS), UMG8900 Media Gateway (MGW), HLR9820 Home Location Register (HLR) and SG7000 Signaling Transfer Point (STP) in the customer network.• Working on different staffing initiatives including participation in many recruitments drives which included conducting technical interviews, arranging managerial discussions, and coordinating with HR department until the on boarding of the short-listed candidates.• Supported in-house Circuit Core Network (CN) department Competence Development Program by delivering trainings for enhancing technical and business skill sets for the existing employees.• Working with in-house Technical Assistance Centre (TAC), which involve working on defects/priority tickets (including hardware & software commissioning issues). Show less

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  ERICSSON INDIA GLOBAL SERVICES PRIVATE LIMITED

  Aug 2012 - Nov 2013

  Senior Engineer-Customer Support

  Project : RMEA (Region Middle East) T1C (Tier-1 Central) - GurgaonOrganization : Ericsson India Global Services Pvt. Ltd.Job Responsibilities:• Troubleshooting Customer Service Request (CSRs) / Trouble Report (TRs) related to Telecommunication equipment Ericsson Mobile Switching Centre Server (MSS) and Media Gateway (MGW) to find a solution to hardware and configuration issues.• Coordinating with the design team by suggesting improvements in the development of software and hardware.• Troubleshooting telecommunication service scenarios using the concepts of Networking, SIGTRAN and SS7 protocols including MAP, CAP, TCAP, ISUP, SCCP etc. • Establishing and maintaining healthy relationship with the customers by working on their queries within the contracted time and providing correct solutions.• Ensuring proper Structured Knowledge management handling of all CSRs this include search, contribute, and share.• Identifying and driving improvements in ways of working of processes and tools.• Providing mentorship to help junior Support Engineers. Show less

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  Nokia Solutions and Networks India Pvt. Limited

  Nov 2013 - Jun 2014

  Solutions Specialist

  Project : MSS-MGW Technical Pre-sales and Bid Management, Noida.Organization : Nokia Solutions and Networks India Pvt. Ltd.Job Responsibilities:• Handling technical Pre-sales activities for NSN Circuit Core Network Products (MSS, MGW and TAS Server).• Performing detailed study, analysis, and subsequent preparation of solution strategy in response to customer Request for Proposal (RFPs) for NSN Circuit Core Network Products: Mobile Switching Center Server (MSS), Media Gateway (MGW) and Telephony Application Server (TAS).• Preparation of techno commercial & budgetary proposal to support regional sales team including Statement of Compliance (SOC), Bill of Quantity (BoQ) and Technical Solution Description (TSD) deliverables for NSN Circuit Core Network Products: Mobile Switching Center Server (MSS) and Media Gateway (MGW).• Working on Nokia Pricing Tool (NPT) for BoQ (Bill of Quantity) preparations.• Analyzing customer requirements and performing high level planning and network dimensioning for NSN Circuit Core Network Products.• Working as a Bid Manager for single product line RFP (NSN Circuit Core Network Products: MSS, MGW and TAS) and coordinating with regional sales team to understand and deliver client’s technical requirements by providing deliverables with desired quality under the stipulated timeframe. Show less

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  ERICSSON INDIA GLOBAL SERVICES PRIVATE LIMITED

  Jun 2014 - Jun 2019

  • Testing and verifying the automated delivery for VNFs deployment and providing feedback to design team for faultless deliveries.• Providing technical advice and guidance to customers to fulfill their network requirements.• Working on Ericsson Cloud Execution Environment (CEE) software product which is an Infrastructure-as-a-Service (IaaS) solution based on Openstack.• Preparing/modifying the CEE config yaml files and performing CEE installation.• Working on Ericsson BSP hardware platform and performing BSP installation.• Preparing/Modifying the Heat Orchestration Template (HOT) files for VNFs as per the modelling requirements including Host Aggregate (HA) policy, VM Flavor containing compute, memory, and storage capacity of computing instances, Affinity rules and Networks information.• Deploying IP Multimedia Subsystem (IMS) including SBG, CSCF, MTAS, AFG, BGF and MRF, Evolved Packet Core (EPC) including SAPC, EPG and MME and User Data Consolidation (UDC) like HSS, IPWorks and UDM Virtualized Network Functions (VNFs) on top of a full stack Ericsson Cloud Execution Environment (CEE)/BSP virtualized infrastructure.• Testing the VoLTE call in Internal Lab by using various simulating tools like Ericsson Proprietary VIRUS (VoLTE, IMS and CS-Radio user simulation) for simulating the end users and eNodeB element (radio access).• Working on Wireshark tool for capturing traces for troubleshooting on SIP and DIAMETER protocols.• Identifying the faults, isolating them and working towards its resolution.• Preparing Low Level Design (LLDs) documents for various VNFs comprising of connectivity diagrams, IP addressing and configuration data.• Preparing and Testing TestSuite on SOAPUI open source tool for IMS, MTAS and EPS subscription data provisioning.• Executing CI/CD (Continuous Integration and Continuous Deployment) test by performing the required upgrades, load testing and result reporting in customized template. Show less • Executing CI/CD (Continuous Integration and Continuous Deployment) test by performing the required upgrades, load testing and result reporting in customized template.• Executing IMS telecommunication Network Element Test to verify the Quality of Service parameters like capacity, scalability, overload protection and robustness by carrying out set of defined test cases and running the traffic conditions of Deutsche Telekom, Germany customer traffic model.• Presenting practical demos of Load Testing and Regression Testing towards Deutsche Telekom customer representative.• Testing IMS Supplementary services using Ericsson Proprietary INT (IMS Network Feature Test Suite) tool by designing/customizing the test cases in TTCN language.• Preparing customized upgrade instruction documents for Native IP Multimedia Subsystem (IMS) Telecommunication Network equipment including Ericsson SBG, CSCF, MTAS, MGC, MGW and BGF.• Preparing test setup environment and executing regression testing of new software upgrade packages of Ericsson IMS Products including SBG, CSCF, MTAS, MGC, MGW and BGF.• Executing the software upgrades of IMS Telecommunication Network equipment like Ericsson SBG, CSCF, MTAS, MGC, MGW and BGF in Aachen test Lab.• Working on simulating tools including Ericsson TitanSim, TSTM and open source Spectra for fault simulation, traffic load generation, testing of software and hardware version.• Providing knowledge sharing sessions on Ericsson IMS equipment configuration and operation & maintenance.• Working on Software Deployment Preparation (SWDP) process to prepare, deliver, and install a new software release in the first node in a customer network.• Working on Market Design Efficiency (MDE) assignments to simulate the test scenarios using Ericsson Simulated Environment Architecture (SEA) for testing the customized feature for 2G, 3G and 4G Services. Show less

  • Senior Solution Integrator-Consulting and System Integration

    Oct 2017 - Jun 2019

  • Senior Engineer - Customer Support

    Jun 2014 - Oct 2017
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  DEK Technologies

  Jul 2019 - Sept 2019

  Test Engineer

  • Performing Optus vIMS End to End Testing including VoLTE, VoWiFi and VoNBN in accordance with the functionalities listed in Optus vIMS VoLTE Solution Proposal.• Working on Data Diagnostic Tools like Wireshark and IRIS for analyzing the test traces for the expected test results.• Applying thorough Knowledge of SIP and Diameter Protocols in troubleshooting of test scenarios.• Providing the IMS Charging Identity (ICID) values from P-CSCF and MTAS nodes by investigating the Wireshark traces to Charging team for validation of corresponding test scenario. Show less

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  Optus

  Sept 2019 - now

  Senior Technical Specialist

  • Working as a Voice Core IME and responsible for operation and maintenance of Native & Virtual IMS network.• Coordinating with vendor for testing the functionalities listed in Optus vIMS VoLTE Solution proposal.• Supporting various upgrade, expansion, and traffic migration activities in vIMS Network. • Executing testing of csDRA and DEA nodes in model network and Pre-Production setup for verifying the functionality of vDSC nodes before migrating the traffic.• Utilizing Spectra tool to generate roaming traffic for validating the DEA functionality within the lab environment.• Prepared VoLTE Outbound Roaming Test Object List (TOL) for exhaustive testing of VoLTE Outbound Roamers including Consumer Postpaid, Consumer Prepaid, RTR, Optus Enterprise and Optus SMB. This test plan included verification of different dialing patterns and various services testing like: Voice Calls, Supplementary Services, Emergency Call, SMS, MMS, Call Translate etc.• Working on S8 Home Routed (S8HR) VoLTE Roaming Solution and liaising with EPC/SDM/PCRF/Roaming Platform/Billing teams to support the roaming service for both VoLTE Inbound and Outbound roamers.• Automated the test cases on SIGOS tool for BAU VoLTE Outbound Roamer testing.• Working on Data Diagnostic Tool - IRIS for analyzing the test traces and monitoring the performance analysis graphs.• Applying thorough Knowledge of SIP and Diameter Protocols in troubleshooting various test scenarios. Show less