Oracle Migration Architect - Zero-Downtime Modernisation

ikas international (asia) pte. ltd.; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

iKas International (Asia) Pte Ltd is seeking a Lead / Principal Database Migration Architect to drive the modernisation of enterprise Oracle platforms as part of a large transformation programme.

You will define end-to-end migration strategies for Oracle environments, ensuring data integrity, high availability, and minimal business disruption while laying a scalable foundation for future platforms.

Qualifications

• 10+ years of experience in enterprise database architecture, migration or large-scale data projects.
• Deep expertise with Oracle Database and Oracle RAC in production environments.
• Experience with Data Guard, RMAN and SQL performance tuning.

Responsibilities

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

Skills

Leadership

Stakeholder management

Communication

Problem solving

Project management

Tools

Oracle Database

Oracle RAC

Data Guard

ASM

RMAN

SQL optimisation

CDC technologies

PostgreSQL

Amazon RDS

Aurora PostgreSQL

Job description

iKas International (Asia) Pte Ltd is seeking a Lead / Principal Database Migration Architect to drive the modernisation of enterprise Oracle platforms as part of a large transformation programme.

You will define end-to-end migration strategies for Oracle environments, ensuring data integrity, high availability, and minimal business disruption while laying a scalable foundation for future platforms.