• Architected and managed the deployment of 5G, 4G IMS/VoLTE and 2G/3G networks for TIER1 telco service providers across the continents.• Worked as lead TPM and architect for larger subscriber database migrations (exceeding 150 million subscribers) from legacy to next generation platforms, supporting telco service providers to enable their users adapt to 5G and 4G IMS/VoLTE technologies.• Plan the detailed technical activities and deliverables and help project managers build project plan and align with revenue goals and customer expectations.• Defined and managed both internal and customer feedback loop, integrating complaints and suggestions into best practices, lessons learnt, issues register and action items tracker.• Identify potential technical risks, challenges and roadblocks and discuss the potential mitigation steps with various stakeholders involving cross business groups like RnD, product owners and business delivery managers,• Prioritize and plan technical activities based on day-2-day project progress and customer requirements.• Identify integration interfaces, requirements and prepare technical solution description, HLD/LLD and method of procedures.• Manage cross functional team members for assigned deliverables such as planning, RnD and services teams and at the same time project progress reporting to senior management team comprising of business heads and program managers.Projects completed with TIER 1 customers such as: T-Mobile USA, Vodafone India, Bharti/Airtel India, Idea India, 3UK, Proximus Belgium, Vodafone Egypt and ZAIN Kuwait.

1. Technical solution support to the customers on Huawei Rel-4 GSM andCDMAnetworks.2. Analysis of call traces on BICC, H.248 and other signaling traces for problemsreported by customer.3. Support the customer in testing new features and services in core networks.4. Network planning and dimensioning.5. Provide solution and suggestions to customer requirements in areas of new networkservices.6. Handling and escalating the trouble tickets on ongoing and new issues.7. Coordination with GTAC in China for providing solution to customer on networkproblems.8. Manage the progress reports on different projects of core networks and STP andensuring the availability of all related documentation as per the projectrequirements.9. Coordination with subject matter experts both internally and externally.10. Provide support and guidance to project team members in solution designing and testing.

1. Technical support to the Belgacom on Siemens D900 GSM switch, NT-HLR andother switching entities in Belgacom network.2. Maintenance of HLR FEs, BEs and PGW DSA nodes.3. Planning, testing and implementation of Software upgrade and hardware upgradeof SIEMENS GSM D900 and NT-HLR and One-NDS.4. Solution designing and implementation of new elements like NT-HLR, STP andMNP in Belgacom mobile test bed.5. Designing, implementation and testing of new features and services and writing thesolution architecture for final implementation in the live network.6. Designing, implementation and migration of Number Portability database andservices from MSC based solution to STP based solution.7. Gather information from internal teams about the requirements like training,testing and implementation of new projects.8. Worked as a SPOC for test bed environment and projects running in theenvironment. The testbed network consisted a replica of live network like NT-HLRand One-NDS nodes and MSCs.9. Worked as a SPOC to ensure the availability of necessary resources for projectsrequiring use of core network resources.10. Managed the progress reports on different projects and ensuring the availability ofall related documentation as per the project requirements.11. Coordination with subject matter experts within internal and external teams.12. Support and guide subordinates and other team members in solution designing,testing and implementation.13. Take ownership of assigned projects from initial stage to sign off and knowledgesharing during and post signoff.14. Network planning and dimensioning of SIEMENS D900/1800 GSM switch.

1. Network planning and dimensioning of SIEMENS D900/1800 GSM switch2. Capacity upgrade planning for existing NE’s related to hardware and softwaremodules.3. Planning and designing the signaling and voice networks of new MSC NE’s withexisting NE’s during and after installation in consultation with the customer.4. BOQ management and verification for upcoming NE’s and new expansionsdelivered5. Installation of Switch commander for Siemens D900.6. Managing (addition, deletion, modification of access requests and permissions)users in Windows 2000 Server and Switch commander server.7. Understanding the technical requirements of the customer involving Core network (CS and PS core).8. End to end technical management of migration of MSS/MGW and BSC/RNC basedprojects.9. Planning and carrying out various test scenarios for new features and technologies.10. Complete database planning and management during the project.11. Analysis of SCCP, ISUP, MAP, BSSAP traces taken on Tektronix CCS7 analyzer.12. Analysis of symptom files for various faults and customer queries using the toolsdeveloped by SIEMENS.13. Software upgrades of SIEMENS D900 switches.

1. Network planning of SIEMENS EWSD switch.2. Liaison with Siemens for technical issues related to EWSD-switch.3. Generation and Analysis of various traffic reports to improve switch performance.4. Implementation of routing and charging database in EWSD switch.5. Planning and configuring signaling links (SS7 and R2-MFC)6. E1 (PCM) configuration / reconfiguration management (Switch and SDH).7. Acceptance testing including testing and verification of new technologies.8. Savings of Switch database.9. Management and planning of Switch Inventory.10. Proactive Monitoring & troubleshooting of Lease Lines and ISDN and ticketing