Jul 2020 – Jan 2024 · 3 yrs 6 mos · Noida, Uttar Pradesh, India · Hybrid

• Worked with customers or prospective customers to develop integrated solutions and lead detailed architectural dialogues to facilitate delivery of comprehensive solution
• +Worked closely with product teams to define and prioritize partner feature requests in Agile based delivery and in JIRA + confluence
• +Presented roadmap and technology infrastructure to customers, demonstrating deep familiarity with VoLTE products, platform infrastructure, security and integration capabilities.
• +Migrated 10 DCs from physical to virtual IMS VNFs migration in Telcel, Mexico, starting from initial CIQ to ATP
• +Tested 400+ test cases including ICS, SRVCC, IPSMS, Roaming, and International Roaming
• +Performed and tested Pre-TOSCA and TOSCA VNF Onboarding, Instantiation, Scale, Heal and Terminate use cases
• +HLD & LLD preparation for VNF deployment including ETSI MANO packages- SOL001 (TOSCA VNFD and NSD) and SOL004 (CSAR Package)
• +Validated CCVP (upgrade/downgrade) use cases via SOL 003 using LCM input bundle Verified SOL 003 (Or-Vnfm) to support version 2.5.1 & 3.3.1 (CCVP/upgrade) Verified SOL 002 (Ve-Vnfm) to support EM triggered requests
• +Handling G-ISC IMS CSRs and ensured faster resolution with E2E troubleshooting in projects
• +Driving awareness of JIRA, Kubernetes & Prince2 adaption in various departments.

Dec 2018 – Jun 2020 · 1 yr 6 mos · Hyderabad, TG, India

• Following industry best practises and Site Reliability Engineering (SRE) culture for incident response to provide higher system stability
• Hands-on experience on Kubernetes Engine and cloud deployment manager in architecting
• Leading testing and triaging team of 27 engineers for Google RCS/RBM Messages and Android Google Dialer. Together we have developed a number of test cases, and features and supported many customers to launch Android phones using RCS stack all over the world. Pioneers in bringing the latest and greatest Rich Communication Service over SIP & MSRP to the market.
• Led the team that enabled Voice over LTE (VoLTE) and Video Telephony (VT) using IP Multimedia System (IMS) on Android devices to comply with RCS UP1.0 with many operators' specifications around the world.
• Led RCS testing in Multi-SIM, Wi-Fi, WiMax, pSIM+eSIM, Dual SIM Dual Standby (DSDS).
• Notable among those was enabling OEMs to launch the first RCS-enabled phone (HTC, Samsung, Nokia, LGE, OnePlus, Huawei, Xiaomi, etc...) which involved re-designing message applications to support SIP, IMS, MSRP, multiple PDP, and IPv6.
• RCS stack interoperability between Google RCS solution (GCP) and among the other global carriers’ IOT & Cloud (AT&T, DTE Global, Orange, Vodafone, Reliance Jio, Sprint, Bell, Rogers, Rakuten etc...) using Cloud Stackdriver, BigQuery & BigTable

Dec 2016 – Dec 2018 · 2 yrs · Mumbai Area, India

• Leading the team of 20 Engineers for audit of Nokia/Mavenir IMS architecure’s validation, configuration & HLD/LLD review
• Hands-on experience on Virtualization (VM) & Application deployment in RJIO IMS/VoLTE network with auto scaling and fault management
• End to End Testing & deployment of IMS servers in different RJIO VoLTE Circles, triaging and tracking bugs in Jira & HPSM tools.
• Corrected end to end number routing in Jio IMS network starting from SBC/SBG to MGCF/MGW E1s distribution, including emergency routing, short-code routing, spacial & toll-free numbers routing and international roaming as well.

Oct 2015 – Jan 2016 · 3 mos

•  The Most fast-growing project in region.
•  Onsite network roll-out for Telenor, Myanmar.
•  2G/3G network launch with all latest technologies and all IP solution.
•  EVO BSC/RNC integration, commissioning and expansions
•  Spearheaded the local resource’s competence lift program.
•  Record 4000 RBS integrated in a year.
•  Appreciated and awarded for best performance in project.
•  Smooth Handover to MS team with PAT, SSV & RF parameter tuning.

Jun 2015 – Dec 2016 · 1 yr 6 mos

•  Emergency handling in Operator network.
•  Onsite and CSR support for overseas telecom operators.
•  CSR (Customer Service request) handling for all Indian Telecom operators within TAT as per SLA/WLA, Maintaining Wow.
•  High level troubleshooting for KPI related issues and tricky problems.
•  Business and Lead Generations & Knowledge Sharing.
•  RNC Integration and BSC Integration- EVO-C 8100/8200 product.
•  Demo (FNI, FOA) and GA upgrades in customer network.
•  Ensuring 3GPP compliance when working with Multi-Vendor environments.
•  GbIP, Abis over IP, A over IP, SIGTRAN and OSS over IP implementation in evolving customer backhaul network.
•  Implemented MSC in Pool (MIP) and SGSN in Pool in BSNL, IDEA and VODAFONE India.
•  BSC L3 Switch and NWI-E (ExtremeOS ware) maintenance, Upgrade and support.
•  Performing Software upgrades time to time & Providing proactive support
•  Coordinating and supporting Project activities like expansion and new phase integration and AT.
•  Customer Management, Customer Negotiations and Customer Meetings.
•  Networks Elements Support: APG40, APG43, APG43/2, APZ 212 33, 212 33C, 212 55, 212 60.
• MINI-LINK TN, MLE, ECI MPLS, So-EM, SOM and NWI-E (ExtremeOS ware) and EVO-C 8100/8200.

Apr 2011 – May 2015 · 4 yrs 1 mo

• Ericsson India Private Ltd, India
• CNS Engineer–RAN and RAN Transport
• Accountabilities as CNS Engineer:
•  CSR (Customer Service request) handling and First point of contact for Vodafone India Ltd and Idea Cellular networks with TAT as per SLA/WLA.
•  Customer Management, Customer Negotiations and Customer Meetings
•  Customer Escalations Handling & To maintain high Customer Satisfaction Index (CSI)
•  Management Escalations handling.
•  3GPP and partner support to Airtel, Idea Cellular & Vodafone for 3G ICR.
•  Business and Lead Generations & Contribution in Knowledge Sharing.
•  GbIP, Abis over IP, A over IP and OSS over IP implementation in Vodafone and Idea cellular networks.
•  PGW implementation in Idea network and Vodafone ltd.
•  BSC L3 Switch NWI-E (ExtremeOS ware) maintenance, Upgrade and support.
•  RNC Integration and BSC Integration- EVO-C 8100/8200.
•  Performing Software upgrades time to time & Providing proactive support
•  Technical support, configuration and management for HP Linux Services on Element Manager (So-EM) Server and Services on Microwave (SOM) server.
•  Performing MINI-LINK TN and So-EM Upgrades time to time.
•  Managing and executing entire technical tasks in RAN and Transmission during Acceptance Test (AT) and Handover.
•  Coordinating and supporting Project activities like expansion and new phase integration.
•  Network outages follow-up to ensure minimum outages and explanations to customer for outages.
•  Proactive support and Patch/Correction loading to avoid emergencies and other outages.
•  Demo (FNI, FOA) and GA upgrades in customer network.
• Attainments:
•  Won Best Support Team Award of year 2011.
•  Networks Elements Support: APG40, APG43, APG43/2, APZ 212 33, 212 33C, 212 55, 212 60.
• MINI-LINK TN, MLE, ECI MPLS, So-EM, SOM and NWI-E (ExtremeOS ware) and EVO-C 8100/8200.

Dec 2007 – Apr 2010 · 2 yrs 4 mos · Lucknow and Chandigarh · On-site

•  Customer Management, Customer Negotiations and Customer Meetings
•  BSC / TRC Integration & Commissioning.
•  Defining Point Codes (OPC/DPC) at the BSS.
•  Fault isolation/corrective maintenance on the BSS.
•  APG40 health check, Audit & Trouble report, CP/AP maintenance and restore
•  Performs OMC application, BSS SW upgrades and file system/ BSS database backup.
•  Performs BSS optimization and modify BSS parameters (Power, Timers & Handover control, adds neighbor relations of BTS, etc.).
•  Conduct and analyze traces on the different interfaces for performance evaluation.
•  Expansions of Signaling links C7, ATER’s, and A-interfaces for RBSC/TRC and MSC.
•  BSS re-homing, Swap, BSS reconfiguration.
•  Prepare scripts for BTS integration (data gathering, parameter settings)
•  Performs Data Transcript (DT) creation for BTS integration such as Cell Data (Cell Information, Neighbor Relations, HO Parameters, and Measuring Freq) and Managed Object DTs.
•  Define outgoing/incoming neighbor lists of integrated BTS.
•  Hands on experience on Ericsson 3G configuration management.
•  Commissioning and implementation of Ericsson transmission equipment’s such as, Mini-link, Mini-link Hicap, Traffic Node.

Apr 2010 – Mar 2011 · 11 mos · Gurgaon, India · On-site

• Major Responsibilities:
• 1. Technical issue resolving of all project of NGN part.
• 2. Major technical issue tracing from China R&D and give feedback to Project Team and customer.
• 3. Up-gradation and Expansion of NGN Nodes.
• 4. Migration of MGWs from one SS to another SS.
• 5. Configuration of SS and MGW as part of Disaster Recovery System (1:0 or 1:1 mode).
• 6. Implementation of New Requirements provided by Customer.
• 7. Maintenance of whole system, analyzing the cause of call failures and troubleshooting the problems.
• 8. Co-ordination with the Customer, Pre-sales for Issues related to MSCS/MGW/Billing Server/EMS /General Maintenance and Issues.
• 9. Extensive Troubleshooting of Issues in SS/MGW/Billing Server/CDR/EMS/LIG/General Maintenance. Documented Explanation to Site Engineers to resolve out these Issues.
• 10. Concentrating more on ASR, MoU and other KPIs to maintain good network.
• Achievements:
• 1. Successfully launched ILD operations in October 2008 for one of India Operator.
• 2. Increase NLD ASR from 24% to 30% and ILD-India termination ASR from 35% to 40%.
• 3. Leading team of 20 members to successfully handle MS Project SLAs and KPIs.
• 4. Deftly identified Faults and improved the Network Performance and proactively rectified various Network problems which minimize the Outage