• Technical lead for Cloud Management System/vEPC network planning, dimensioning & optimization• Customer interface for Cloud Management System/vEPC queries, requirements and solutions• Responsible & Interface with Samsung R&D Bangalore & HQ to handle customer feature requirements and operational escalation for vEPC & CMS• Responsible for Samsung Cloud Management System/VNF upgrade & new feature implementation• Technically guiding the team for E2E VoLTE optimization projects & Identification of IMS Core issues• Technical lead for the first vEPC/CMS trial and FOA network deployment & planning• Leading role in complex troubleshooting cases, includes 3rd party equipment & Multivendor Interface• Perform strategic planning and roadmap formulation to support corporate business objectives• Translate business requirements into technical solutions with support of Samsung R&D. Carry out feasibility study, feature testing, POCs and technology evaluations. • System integration/ TAC-2 Support/ Technical Project Support of NFV/EPC/Packet Core network• Supported the Samsung NR Trial by deploying vCU & USM from infra/IP/cloud perspective• Managing New Product and Technology Introduction with Lab and field trials. Latest working on Samsung 5G SA Core (CNF & micro-services based) Trial • Knowledge of IMS call flows [Registration, SIP INVITE] & key interfaces - Cx, Rx, Ro & Sh etc.• Knowledge of LTE Call-flows, CUPS architecture & Key core interfaces – S6a, Gx, Gy, Gz, Sgi, Sp etc.• Knowledge of 5G core service based architecture, network slicing, edge computing & Décor. • Kubernetes architecture, Helm chart & Openshift & Docker basics • System tracing and protocol flow analysis [System tracing, Tektronix traces]

-Network development & deployment of Evolved Packet Core /IMS/Circuit Core networks-Resolving technical issues during deployment and integration of new network elements Packet Core- MME, SGW, PGW, SGSN, GGSN, PCRF, PCEF and DPI, CS- HLR/HSS, MSS, MGW, STP-Workshops with vendors on release upgrade and enhancements for quick deployment of innovative products/services-Developed NSS core operating procedures. Edited technical documents for in house publications-Review MOP for seamless CS/PS core operational activities-Preparing and implementing contingency and redundancy plans-Responsible for integration of all SS7 nodes to STP and migrating all SS7 traffic via STP-Responsible for handling O&M related issues in NSN MSS/HSS/MGW’s, Tekelec STP/EPAP Servers,Huawei MME/SGW/PGW-Monitor Network KPI for NSN MSS/Tekelec STP’s take corrective & preventive step against KPIs-liaise with Vendor for implementing Change delivery (CD) notes in MSS/HSS/MME/SGW/PGW/PCRF-Providing the support & resolving cases involving core network.-Handling the 24x7 on call support & customer TT’s-Ensures implementation of daily maintenance and support tasks are carried with high quality and procedures are in place and followed-Ensures the top management is informed on all critical issues pertaining to the area responsiblefor-Ensures the achievement of system and related service availability as per agreed SLA for CS & Packet Core Nodes-Ensures that the Fault Report and Quality Report is issued with vendors at the appropriate time for any system malfunctioning and ensure that vendor is responding within the required time limit-O&M of Symsoft Collect Call, Roamware Virtual number & Tayana Block-UProjects:-Core network Rollout-NSN MSS/MGW-Tekelec STP rollout-Mobile Number Portability-SRAN project-LTE with CS fallback-Swap of Ericsson EPC with Huawei EPC-Centralized Repository Platform (NSN One NDS) implementation-IMS VoLTE trial, CS Fallback implementation

-Providing Emergency & Technical support for care & roll out projects.-Critical Pilot Software & Hardware Upgrades like U3 to U4 and M13 to M14, EMB upgrade in India. -Conduct root cause analysis of failures.-Involved in HLR split and migration activities.-Roll-outs, implementation Software Upgrades and Hardware capacity expansions of Nokia Core products like MSS, HLR (DX200 platform with M12/M13/M14 Software) & MGW (IPA2800 Platform)

-Providing technical leadership in technical solution in design and installation.-Providing Emergency & technical support for Care/ roll-out activities to Vodafone, Airtel, BSNL & Idea. -Solving the critical issues and guiding the other team members to gain the competency.-Conduct root cause analysis of failures. -Software Upgrades, Updates & Processor changeover in MSC and BSC.