Arnab Roy Chaudhury

Experience

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  Sasken Network Engineering Ltd

  Dec 2004 - Oct 2007

  Senior Network Engineer || Mobile Switching || GSM/WCDMA || Network Operations

  • Directed day-to-day changes in MSC to optimize network performance and efficiency.• Conducted troubleshooting of various software and hardware-related alarms, swiftly resolving customer complaints to ensure seamless operations.• Identified engineering challenges, gathered data, and formulated solutions to address project issues effectively.• Fostered and maintained productive relationships with stakeholders, ensuring alignment and cooperation throughout projects.• Executed preventive maintenance and repairs on mechanical equipment, ensuring optimal functionality and performance.• Mentored and coached entry-level and junior engineers, elevating their skills and capabilities to drive excellence within the team.• Responded promptly to technical concerns, devising and implementing effective solutions to address challenges and maintain operational efficiency. Show less

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  Ericsson Telecommunications Inc.

  Oct 2007 - Oct 2009

  System Integration Specialist || Testing || GSM/WCDMA || Wireless Communication

  • Analyzed and crafted specifications to drive enhancements and extensions in applications, interfaces, and mappings.• Spearheaded the creation of system design models, specifications, diagrams, and charts, offering strategic direction to peers.• Assumed leadership responsibilities as a point of contact or stakeholder in project meetings, driving collaboration and ensuring project success.• Collaborated closely with functional management teams and business users to refine scope and high-level business requirements for major projects.• Championed system modifications to optimize efficiency, reliability, and performance, contributing to overall project success.• Directed installation, upgrade, and deployment projects, providing on-site guidance and direction to network engineers.• Delivered second and third-level technical support and troubleshooting expertise to both internal and external clients, ensuring seamless operations. Show less

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  Telenor

  Oct 2009 - Oct 2011

  Deputy manager Switch & Roaming || Network Operations || Network & Performance Management

  • Executed IREG Testing and Implementation of Inbound and Outbound International roaming worldwide, meticulously testing IR 24, IR 32, and IR 35 test cases and implementing definitions in MSS, IN, and HLR as per IR 21 specifications.• Identified and resolved roaming-related issues for both in roamers and out roamers, ensuring adherence to MNP testing and rollout guidelines outlined by the DOT.• Managed the Operation and Maintenance of MSS/MGW nodes for Kolkata circle, overseeing day-to-day customer complaints and ensuring optimal performance.• Collaborated closely with team members, stakeholders, and vendors to coordinate activities, provisioning, environment setup, risk mitigation, and follow-up, facilitating seamless project execution. Show less

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  Ericsson Telecommunications Inc.

  Oct 2011 - now

  • Successfully executed projects for a diverse range of global clients across Europe, the Middle East, US/Canada, Latin America, and ANZA (Australia and New Zealand), showcasing adeptness in delivering excellence in varied and multicultural environments.• Spearheaded the development and initiation of projects, meticulously managing costs and vigilantly monitoring performance.• Propelled progress by continuously evaluating performance metrics, budgets, and project timelines, ensuring swift and efficient execution.• Adapted and guided project plans to align with organizational objectives and requirements.• Identified and allocated necessary plans and resources to achieve project goals and objectives. Show less • Directed and influenced existing partners, providing guidance on recommended upgrades and enhancements to integrated solutions.• Collaborated with customers or prospective customers to conceptualize and develop integrated solutions, leading detailed architectural dialogues to ensure the delivery of comprehensive solutions.• Installed, integrated, and deployed products in client environments, ensuring seamless implementation.• Maintained proactive communication with partners and clients, providing updates on product and implementation status at both technical and functional levels.• Managed all aspects of project planning, including resource allocation, scope, schedule, status, and documentation.• Coordinated with clients post-implementation, overseeing user testing, debugging, and providing ongoing support and maintenance.• Offered unparalleled support during customer implementations, applying industry best practices to ensure successful outcomes. Show less

  • ICT Delivery Management || Project Management || People Management || VoLTE/IMS || Cloud Native

    Oct 2018 - now

  • Solutions Architect || IMS/VoLTE || Solution Design || Team Lead || Circuit Switching & SS7

    Oct 2011 - Oct 2018