Summary
Overview
Work History
Education
Skills
Timeline
Generic

SRI SAI RAVITEJA GANJAM

Hyderabad

Summary

Having over 13 years of professional experience in Telecom BSS specializing in Solution Architecture, Digital Transformation, Implementation, DevOps, Data Migration, Change and Release Management, System Integration Testing, and development projects involving PL/SQL and Shell Scripting.

Overview

14
14
years of professional experience

Work History

Zain Telecom – EDW Modernization & TM Forum SID Al

Zain Telecom
Kuwait
04.2025 - Current
  • Directed comprehensive requirements gathering and documentation for enterprise data warehouse (EDW) modernization, aligning with TM Forum SID framework for telecom B2C domain.
  • Documented and analyzed data assets across EDW and BSS systems, extracting physical metadata (schemas, tables, columns, relationships) and mapping data sources, ETL processes, and reporting integrations.
  • Executed thorough assessment and cataloging of existing EDW and BSS (CRM and Billing) system components, encompassing metadata extraction, data flow analysis, and integration interfaces.
  • Reverse engineered physical database schemas into logical and conceptual data models, facilitating business stakeholder validation workshops to ensure alignment with business processes.
  • Performed gap analysis comparing legacy data models against TM Forum SID standards, identifying model misalignments, gaps, and overlaps for improved enterprise compliance.
  • Developed detailed documentation for data model mapping, transformation rules, data flow diagrams, and ETL pipeline requirements, supporting both migration and integration scenarios.
  • Supported the design and execution of data migration strategies, including phased migration planning, archived data assessment, and incremental migration validation for legacy and new BSS systems.
  • Coordinated cross-functional activities for data validation, integrity checks, and business rules validation, addressing data quality, exception handling, and non-functional requirements.
  • Established metadata management and business glossary frameworks to support ongoing data governance, ensuring consistency in business definitions and supporting regulatory compliance.
  • Functioned as liaison between technical teams and business users, defining acceptance criteria and sign-off procedures while facilitating periodic workshops for requirements refinement and solution alignment.
  • Facilitated project deliverables including Functional/Technical Design Documents, test cases, migration strategy documentation, and supported user acceptance and system integration testing processes.

Associate Consultant

TATA Consultancy Services Limited
Hyderabad
05.2022 - Current
  • Designing an end-to-end solution for Vodafone Heritage Mobile Stack's enterprise eSIM capability for VBSE (Vodafone Business Security Enhanced), VPS (Vodafone Partner Services), and ISP (Indirect Service Provider) customers.
  • Understood business requirements and identified involved systems, performing tasks related to impact assessment, discovery, and design of proposed solutions in system architecture.
  • Created design documents such as ITDA (Initial Technical Design Assessment) and HLD (High Level Design), designed to project requirements.
  • Analyzed customer journeys like eSIM with Physical device, eSIM, eSIM to Physical SIM, and Physical SIM to eSIM dependencies to design data flow for integration with all impacted domains.
  • Presented designs to the Internal TCS Review Board and Vodafone’s Security and Architecture Review Board, securing necessary approvals.
  • Held regular meetings and updates with respective domain Sas, domain leads and all the relevant stakeholders and conducted design walkthrough sessions to ensure clarity and alignment.
  • Prepared traceability matrices with the support of Business Analysts to ensure all requirements were met and tracked throughout the project lifecycle.
  • Assessed non-functional requirements as part of design activities to ensure the solution met performance, security, and scalability standards.
  • Support during the implementation phase in all levels of the software development life cycle to ensure seamless project execution.

Solution Architect

TATA Consultancy Services Limited
Hyderabad
01.2023 - 06.2024
  • End-to-End high-level solution design for Vodafone Enterprise Centric Stack (Fixed & Mobile) applications, ensuring comprehensive and effective design strategies.
  • Understood business requirements and identified involved systems, performing tasks related to impact assessment, discovery, and design of proposed solutions in system architecture.
  • Conducted workshops with application domains for impact and gap analysis, ensuring thorough understanding and alignment.
  • Created design documents such as Solution Intent and Mini HLD designed to project requirements.
  • Analyzed upstream and downstream application dependencies to design data flow for integration with transformation rules across all impacted domains.
  • Held regular meetings and updates with respective domain SAs and domain leads to ensure alignment, manage dependencies, and meet project milestones.
  • Presented designs to the Internal TCS Review Board and Vodafone’s Security and Architecture Review Board, securing necessary approvals.
  • Sought approval of design documents from all relevant stakeholders and conducted design walkthrough sessions to ensure clarity and alignment.
  • Prepared traceability matrices with the support of Business Analysts to ensure all requirements were met and tracked throughout the project lifecycle.
  • Assessed non-functional requirements as part of design activities to ensure the solution met performance, security, and scalability standards.

Fast Data Access Designer

TATA Consultancy Services Limited
Hyderabad
05.2022 - 12.2023
  • Developed end-to-end solution design document for the Saudi Telecom Digital Transformation B2C (Business-to-Consumer) project O2C, ensuring comprehensive and effective design strategies according to the TM Forum's Information Framework standards.
  • Collaborated with design leads from AEM (Adobe Experience Manager), Microservices, Elastic Path, KAFKA, and FDA (Fast Data Access) to produce detailed design documents.
  • Secured approval of design documents from the Design Review Board, ensuring alignment with organizational standards.
  • Worked closely with stakeholders to gather and analyze business requirements for the O2C (Order to Cash) customer journey, ensuring alignment with business objectives.
  • Prepared traceability matrices with the support of Business Analysts to ensure all requirements were met and tracked throughout the project lifecycle.
  • Assessed non-functional requirements as part of design activities to ensure the solution met performance, security, and scalability standards.
  • Conducted design walkthrough sessions for various domains, ensuring all stakeholders were aligned and any issues were addressed promptly.

Senior Solution Integrator

Ericsson India Global Services Pvt Ltd
Bangalore
11.2020 - 02.2022
  • Ericsson products EOC (Ericsson Order Care) and ECM (Ericsson Catalog Manager) installation and upgrade from version 16.1 to 21.1 across all environments (DEV/FT/SIT/PRE-PROD).
  • Successfully completed a Proof of Concept (POC) on Active-Standby Pre-Production EOC/ECM environment and delivered the Method of Procedure (MOP) to the client.
  • Successfully delivered EOC and ECM Implementation and Upgrade MOP documents to the client, ensuring clear and effective procedures.
  • Deployed all product fixes from the Product Development Unit (PDU), managed environment cloning, SSL certificate renewals, WebLogic installation/configuration, WAR file deployments, and license server installations and renewals across all environments.
  • Troubleshot and resolved deployment issues throughout the project, ensuring smooth and efficient operations.

Team Lead

Ericsson India Global Services Pvt Ltd
Bangalore
12.2018 - 11.2020
  • BSCS application deployments across production, staging, development, and Rancher environments, utilizing tools such as GitLab, Jenkins, Jfrog Artifactory, DMF (Data Migration Framework), Docker, and Ericsson RM ticketing tool.
  • Multi-domain deployments (Business Support Control System, Ericsson Order Care, Ericsson Catalog Manager, and Charging System) in DEV/FT/SIT/PRE-PROD environments, coordinating with all relevant stakeholders.
  • Planned and managed deployments of change requests, release plans, and associated developments, ensuring adherence to project timelines.
  • Implemented CI/CD pipelines using Git and containerized applications with Docker in Rancher environments, enhancing deployment efficiency.
  • Managed the end-to-end product lifecycle for Ericsson BSCS installations including database creation, DMF, and license installation, as well as application cloning, SSL certificate renewals, creating production replica environments, troubleshooting deployments, and resolving application-related issues.
  • Developed shell scripts to automate deployment processes, housekeeping alerts, application health check alerts, SSL certificate installation, and Jenkins server backup, significantly reducing manual intervention.

Software Engineer

Netcracker
Hyderabad
11.2013 - 02.2016
  • Involved in support & service process on Rating & Billing core product issues.
  • Diagnosing problems associated with operational issues, data, environment problems, etc.
  • Providing resolutions/workarounds as required, dependent on severity, type of problem, and available test environments.
  • Investigate, replicate, and find out the root cause analysis of the issue.
  • Manual testing of fix/Patches before released to client and implementation of changes/services.
  • Investigate and analyze information and to draw conclusions.
  • Plan, implement, test & troubleshoot system software.

BSCS Consultant

Knot Solutions Pvt Ltd
Hyderabad
06.2011 - 11.2013
  • Configuration of Rate Plans, Rating Packages, Services & Service Packages, Promotions, Free units, System scenarios, Pre-Business Scenarios and Business Scenarios based on user requirements.
  • Created PL/SQL scripts for Service, Service Package and Rateplan creation.
  • Resolving invoice related issues, clearing Rating Process Rejections and CX, Rating, Provisioning failures.
  • End to End Testing of new configurations and involved in functional testing of Batch operational plugin (BOP) tool which performs the Batch transactions like Batch Contract create, deactivate/suspend, Batch SIM replacement, Batch Rate plan change & Batch Activation/deactivation of services.

Education

Bachelor of Technology (B. Tech) - Electronics and communication

Jawaharlal Nehru Technological University (JNTU)
Hyderabad
06-2010

Skills

Operating systems: HP-UX, Windows, Linux

Database management: Oracle 12c, MemSQL

Digital technologies: AEM, ReactJS, Microservices

Software languages: SQL, PL/SQL, Shell script

Telecom billing systems: Ericsson BSCS, Customer Center

Middleware servers: JBoss, WebLogic, WebSphere

Design tools: Plant UML, Visio

Version control tools: SVN, GIT

Continuous integration: Bamboo and Jenkins

Monitoring protocols: Datadog, Opsgenie

Ticketing systems: Jira, ServiceNow

Timeline

Zain Telecom – EDW Modernization & TM Forum SID Al

Zain Telecom
04.2025 - Current

Solution Architect

TATA Consultancy Services Limited
01.2023 - 06.2024

Associate Consultant

TATA Consultancy Services Limited
05.2022 - Current

Fast Data Access Designer

TATA Consultancy Services Limited
05.2022 - 12.2023

Senior Solution Integrator

Ericsson India Global Services Pvt Ltd
11.2020 - 02.2022

Team Lead

Ericsson India Global Services Pvt Ltd
12.2018 - 11.2020

Software Engineer

Netcracker
11.2013 - 02.2016

BSCS Consultant

Knot Solutions Pvt Ltd
06.2011 - 11.2013

Bachelor of Technology (B. Tech) - Electronics and communication

Jawaharlal Nehru Technological University (JNTU)
SRI SAI RAVITEJA GANJAM