Lead/Principal Data Migration Architect

About the Role We are seeking a Lead / Principal Database Migration Architect to lead the modernisation of mission-critical enterprise database platforms as part of a large-scale transformation programme. You will define the end-to-end migration strategy for complex Oracle environments, ensuring data integrity, high availability, and minimal business disruption while establishing a scalable foundation for future platforms. Key Responsibilities

• Define and lead the end-to-end database migration strategy for a large-scale platform transformation.

• Analyse legacy Oracle databases, schemas, and business logic to design modern target architectures.

• Lead migration planning for Oracle RAC environments, including cutover, rollback, and validation strategies.

• Design and implement data migration, ETL/ELT, validation, and reconciliation frameworks.

• Ensure data quality, performance, security, and operational resilience throughout the migration lifecycle.

• Partner with architecture, engineering, and business teams to deliver successful platform migration.

Requirements

• 10+ years of experience in enterprise database architecture, database modernisation, or large-scale data migration.

• Deep expertise with Oracle Database, including Oracle RAC in production environments.

• Strong knowledge of Oracle RAC, Data Guard, ASM, RMAN, SQL optimisation, and database performance tuning.

• Experience migrating large-scale Oracle transactional databases to modern database platforms.

• Hands-on experience with ETL/ELT, data validation, reconciliation, and Change Data Capture (CDC) technologies.

• Experience with PostgreSQL, Amazon RDS, Aurora PostgreSQL, or similar cloud database platforms is advantageous.

• Strong stakeholder management and communication skills.

Preferred

• Experience with Oracle Exadata.

• Experience delivering zero- or near-zero-downtime database migrations.

• Knowledge of cloud-native architectures, distributed systems, and event-driven platforms.

• Oracle certifications (OCP/OCM) are a plus.

For more information you can contact Norean Tan at [email protected] We regret to inform you that only shortlisted candidates will be notified / contacted.

EA Registration No.: R1434118 - Tan Lee Ying, Norean iKas International (Asia) Pte Ltd ROC No.: 200914065E | EA License No.: 16S8086