Data Extraction

Analyse and understand legacy mainframe claims data structures and relationships.

Design and implement repeatable, auditable data extraction processes.

Extract mainframe data into flat-file formats and securely transfer datasets via SFTP for downstream processing.

Identify data dependencies, historical data requirements, and migration scope boundaries.
Data Transformation

Design and develop ETL transformation processes aligned to Guidewire target-state data requirements.

Define and implement data mapping, conversion rules, and business transformation logic.

Perform data cleansing, standardisation, enrichment, and validation activities.

Identify, manage, and resolve data quality issues throughout migration cycles.
Data Loading

Develop, execute, and optimise data load processes into Guidewire and associated target platforms.

Support multiple migration rehearsals, and production migration events.

Optimise ETL processes for performance ensuring processes are scalable, efficient, and reliable.

Deliver migration activities in line with agreed cutover and deployment timelines.




Data Quality and Reconciliation

Design and implement automated reconciliation and validation controls.

Develop exception reporting and migration monitoring dashboards.

Investigate, analyse, and resolve data discrepancies and reconciliation variances.

Support business validation, data verification, and migration sign-off activities.
Testing and Migration Support

Support system, integration, user acceptance, and migration testing activities.

Troubleshoot ETL defects, data issues, and migration failures.

Provide production cutover and post-migration support to ensure a reliable transition.
Documentation and Governance

Produce and maintain ETL design documentation, technical specifications, and operational procedures.

Maintain comprehensive source-to-target mapping and data lineage documentation.

Ensure compliance with Santam governance, security, risk, and audit requirements.

Adhere to migration standards, controls, and best practices throughout the programme

📌 DE&A - GWDM - Guidewire Data Management (Maharashtra)
🏢 Zensar Technologies
📍 Maharashtra