Debabrata Banerjee

Client: Liberty Puerto Rico - LATAM

As the Technical Delivery Manager, I am directing a specialized data engineering team tasked with executing a significant customer migration project for a leading LATAM telecom operator. My primary role involves managing the Migration Tool hosted on AWS, which is crucial for handling source data extraction, transformation, data storage, and initiating target API calls that kickstart the migration journey. I serve as the principal liaison for all development activities and consulting engagements, coordinating daily strategy meetings with both service providers to ensure effective communication and alignment of project goals.

My leadership ensures operational excellence, guiding the development process from technical troubleshooting to strategic implementations, thereby enhancing system reliability and operational outputs.

Client - Liberty Global, Netherlands: Overseeing large portfolio of Data and Network projects to support teams, report progress and influence positive outcomes for client stakeholders.

• Led team of 30+ Data Engineers, Data Analysts and Dev Ops engineers who are responsible for developing data engineering/analytical solutions.
• Lead major Proposal for the Data Engineering area, along with Sales Team. Received - Pursuit of the Year Award.
• Instrumental in driving Data Engineering and DevOps Hiring for major Deal for establishing the team in quick span.
• Providing management for internal personnel, contractors and vendors.
• Thought leadership and consultative support to all data and software activities within data engineering space.

Client - Liberty Global, Netherlands: Led Data Engineering project teams specializing in Data Pipeline Development and Data Science activities.

• Supervise and assign work to programmers & technologists, in an agile mode working in conjunction with PO's/Scrum Masters.
• Managed technical development of Big Data application (ETL Pipelines), fully leverages data to make fact-driven decisions, resolves technical issues, works together with business stakeholders and other experts to build/optimize data pipelines.
• Built cross functional relationships with Data Scientists, Business owners and source team to understand data needs and deliver on those needs.
• Provided inputs to define and execute strategic roadmap for data architecture by identifying current landscape and future business goals.
• Handled 15+ Technical proposals and POC's for several other clients spanned across Europe & North America.

Client - Virgin Mobile, UK: Responsible for managing the Service Assurance capabilities that deliver the UK Virgin Media Mobile Service to circa 3 million customers.

• Service and Major Incident Manager for Critical Incidents affecting Mobile Business of Virgin Mobiles.
• Identify the evolving business needs/challenges and propose solutions that add value to the client Proactively managing Critical and Major Service Outages end to end ensuring minimal impact to business is observed throughout the lifecycle of a fault.
• Define the quality improvement initiatives and execute them to improve overall operational stability.
• Build strong relationship with the third-party vendors to ensure alignment of operational plans on service delivery and to maximize the effectiveness of the IT services.
• Act as an Operational point of contact for critical and major incidents and proactively manage the situation end to end ensuring minimal impact to business.
• Conduct weekly/monthly service review meetings and review the KPI’s/SLA’s with the client.
• Provide the monthly financial forecast and assist the senior management in preparing financial reports.
• Single point of contact for project teams on the new roll outs and ensure there is a smooth handover to operations. Prepare the operations summary report for the client steerco meetings.

Client - Virgin Media, UK: Managed a team of Data Production Support engineers across multiple technologies Informatica, Ab-Iinitio, Hadoop, Golden gate, MDM and SSIS.

• L2 and L3 Support for various technologies and administration of ETL tools.
• Responsible for managing SLAs by driving effective utilization of Incident, Problem and change management across multiple technology teams with in Data support.
• Responsible for Customer relationship and reporting on data support performance to Senior Management and Directors in data operations.
• Responsible for overseeing change process with impact assessments, reviews and making sure production deployments are smooth with impacting customer services.

Client - Liberty Global, Netherlands: Leading Middleware Support team for MVNO Project and responsible for L2 / L3 Support for all Oracle Fusion related Tickets flowing in for the for the delivery stream.

• Requirements gathering, analysis, implementation and estimation of delivery.
• Onsite co-ordination and client management with various vendors.
• Development and Implementation of Functional Monitoring tools.
• Provided 3rd line support across production and UAT environments for various web applications delivered by development teams.
• Integration of OSB layer with various consumers and Maintenance of existing services built using Oracle SOA suite.
• Assisted in new system releases, roll-outs, projects and change processes within production environment.
• On-call escalations support.
• Responsible for Project initiation in Middleware Operations aspect, and handled same from Customer Location - Amsterdam (Netherlands).
• Act as Problem Manager role in parallel for a brief period, working with LGI - IE Clients handling all major RCA's.

Client - Windstream Communications, US: Part of the application development and support team for MetaSolv, which is a leading OSS (Operations Support System) tool.

Norlight Conversion

• Act as the POC for onsite/offshore communications relating to Migration and Conversion.
• Analyze and provide various statistics and measures to check for the purity of the data on the legacy system with respect to MetaSolv for the various legacy systems maintained by Norlight Communications.
• Participated in Business meetings with client SME’s and business users to gather the requirements for migration.
• Provide functional input based on MetaSolv’s functionalities for mapping data from legacy databases to the MetaSolv database for the Inventory, Ordering and Work Management modules of MetaSolv.
• Designing the migration approach and create the mapping specifications.
• Involved in doing impact analysis for migrating the network template, network systems and network elements to Metasolv.
• Creating pre-validation scripts to filter the valid data for migration process.
• Creating stored procedures, packages, functions in PL/SQL to migrate the source data to Metasolv application by applying transformations on source data.

Consolidation Program - WINCare Workflow

• Participated in Business meetings with client SME’s and business users to gather the requirements for Interface Agreement Document for MSS ISR Order and Circuit Search Stored Procedures.
• Provide functional input based on MetaSolv’s functionalities for creating ISR special order in MetaSolv.
• Creating stored procedures, packages, functions in PL/SQL to create ISR orders in Metasolv application by applying Metasolv functionality.
• Reviewing the code / scripts that are developed by peers.
• Involved in code tuning activities to increase the performance of the script

Client - Windstream Communications, US: Support Engineer in Metasolv M6 (Access Service and Provisioning) Application Engineering Team.

• Participated in Business meetings with client SME's and business users to gather the requirements for migration.
  Provided data and Code(SQL) fixes for any change requests in MetaSolv.
• Debug the MetaSolv Application using Eclipse/PowerBuilder in order to locate, analyze and fix the reported bugs.
• Provide data (SQL) and Code (PowerBuilder) fixes for any change requests in the Ordering section of MetaSolv.
• Provide extended support to Oracle for fixes on critical defects in MetaSolv.
• Coordinated with other engineers to evaluate and improve software and hardware interfaces.