•Spearheaded 4G and 5G network deployment projects, providing end-to-end support for Nordic and Greek regions, driving technical solutions, and ensuring seamless integration across diverse platforms.•Executed virtualization projects, integrating OpenStack Fusion Sphere with Taishan OSS server for optimized telecom performance and MAE access, facilitating virtualized environments.•Designed and deployed cloud and virtualized solutions, ensuring scalability and flexibility to meet diverse telecom requirements.•Introduced SaaS-based management systems to support telecom operations, providing real-time monitoring, reporting, and optimization capabilities for large-scale networks.• Gained exposure to enterprise business models, working on 5G Customer Premises Equipment (CPE) testing and deployment, ensuring its readiness for use in ERP systems for enterprise customers.• Provided technical support during the sales cycle, driving the alignment between technical solutions and business requirements, including pricing and BoQ/BoM management.• Collaborated with cross-functional teams, including customers and internal stakeholders, ensuring customer requirements were met and fostering long-term client relationships.Demonstrated the functionality through Demo and Drive tests for both 4G and 5G networks on DSS 'Dynamic Spectrum Sharing'.• Identified and reported defects during 5G testing, providing ongoing support to R&D teams for root cause analysis and issue resolution.• Cultivated and maintained strong client relationships, ensuring satisfaction and identifying opportunities for repeat business.

•Led cross-functional project teams through the entire lifecycle, from initiation to closure, ensuring successful and timely delivery in line with Agile methodologies and PMP best practices.•Managed and optimized critical network operations by implementing strategic solutions that improved performance, reliability, and uptime.•Provided L2 network engineering support, managing high-priority incidents, performing root cause analysis, and driving resolutions to ensure service continuity.•Transition Support & Automation: Supported Managed Services (MS) Project transitions, introducing automation processes to streamline ticketing systems and enhance operational efficiency.•Ensured compliance with Environment, Health, and Safety (EHS) standards, fostering a safety-first approach in all network operations and deployments.•Conducted lab testing for new features, ensuring successful integration into live networks and preparing comprehensive documentation for customer approval.• Led the installation, commissioning, and integration of UMTS/GSM BSC6910/BSC6900 systems, aligning with customer requirements and operational standards.•Spearheaded the commissioning and integration of OSS systems (U2000), Trace Server, Emergency Server, and PRS ATAE models on Linux-based servers, enhancing system efficiency and scalability.•Led the design and deployment of IaaS solutions using OpenStack FusionSphere, supporting high-demand telecom applications and enabling virtualized network function (VNF) deployment.•Played a key role in early telecom infrastructure evolution, deploying 2G, 3G, and 4G networks, and focused on integrating modern telecom solutions like automation to enhance future readiness.

•Led a high-impact international project in the UK, collaborating with experienced engineers to transfer advanced 3G/4G technologies and expertise back to the India team, significantly enhancing local engineering capabilities.•Developed automation macros for cell deployment activities, reducing manual efforts by up to 50% and improving operational efficiency across multiple regions.•Championed process improvement initiatives that led to achieving a Yellow Belt certification in process management, standardizing operations, and reducing errors in line with Ericsson’s global standards.•Node-B/WBTS Integration: Successfully integrated new Node-B and Wideband Transceiver Systems (WBTS) into the live network, ensuring optimized performance and seamless communication.•Worked extensively on IP, ATM, and Layer 3 backbone networks, configuring complex routing and switching protocols, ensuring minimal downtime and network stability.• Executed split activities on MORAN (Multi-Operator Radio Access Network) Back-to-Back (B2B) sites, improving network redundancy and overall stability for high-traffic areas.• Led hardware upgrades and card swapping activities for Base Station Controllers (BSC) and Radio Network Controllers (RNC), improving network throughput and reducing latency.• Managed and distributed licenses across various network elements and led software management activities, ensuring timely updates and enhanced system performance.• Spearheaded the migration of ATM-based 3G sites to IPRAN (IP Radio Access Network), significantly improving data traffic handling and operational efficiency.

• Led the creation and integration of over 5,550 BTS sites using Nokia DX 200 MML commands, establishing remote server access for efficient network management.• Conducted routine BSC health checks, ensuring system stability and proactively identifying issues before they impacted service.• Provided remote support for over 90 BSCs and more than 5,550 BTS sites in the Vodafone cellular network, covering the West Bengal region, ensuring seamless operations.• Commissioned and integrated Nokia S13 and FLEXI BSC-3i systems, establishing seamless connectivity with MSC, MSS, or MGW nodes.• Led the complete software upgrade of BSCs from Nokia BSC S13 to S14, and implemented BCSU additions to expand TRX capacity.• Implemented Change Deliveries (CD) in BSCs to introduce new features and functionalities, enhancing network capabilities.• Created X.25 links and configured SS7 signaling links, optimizing network signaling protocols and improving communication stability.• Deployed GB over IP and GB over Frame Relay on BSCs to support GPRS services, improving data throughput for mobile internet services.• Implemented OSS over IP and Frame Relay for remote BSC login, enabling streamlined access for network management and troubleshooting.• Backup & Diagnostics: Performed Fallback and MO Drive backups of BSCs, ensuring data integrity and supporting disaster recovery efforts.• Managed the implementation of PR-FILES and licenses across various BSCs for different operators, ensuring compliance and feature enablement.• Diagnosed and resolved BSC-related issues and implemented card-level protection to safeguard SS7 signaling from potential risks.• Provided remote support for international projects in the USA, Kenya, and Portugal, utilizing remote access solutions to troubleshoot and resolve issues across different regions.• Led the WBTS split for the Optus and Vodafone Moran network, supporting the integration of individual Nodes after network separation.