Database Migration Specialist

Crisil; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Crisil is seeking a Database Migration Specialist to lead end-to-end DB2 Sailfish to IBM DB2 Cloud Rack migrations across multiple data centers. The role emphasizes environment validation, data migration, intensive testing, and security/compliance readiness to ensure a smooth cutover.

Ideal candidates have hands-on experience with IBM DB2 LUW or Oracle, a track record of large-scale migrations, and strong collaboration skills across applications, infrastructure, IBM, and security teams.

Qualifications

• Strong hands-on experience with IBM DB2 (LUW) or Oracle database platforms.
• Proven delivery of large-scale database or platform migrations.
• Strong testing mindset with data validation and reconciliation experience.
• Experience working across multiple technical and vendor teams.
• Best practices and regulated environments preferred.

Responsibilities

• Execute DB2 Sailfish to DB2 Cloud Rack migrations including environment and configuration validation.
• Validate infrastructure, database configuration, network connectivity, and access controls.
• Perform functionality, performance, stress, scalability, and failover testing.
• Execute data migration, reconciliation, and integrity validation.
• Work closely with application, infrastructure, IBM, and security teams to resolve issues.
• Develop migration runbooks, validation reports, and sign-off documentation.
• Support cutover execution and post-migration stabilization.

Skills

IBM DB2 (LUW)

Oracle

Data migration

Testing mindset

Cross-team collaboration

Best practices

Job description

Project Overview

This initiative focuses on migrating mission-critical IBM DB2 environments from Sailfish proprietary appliances to IBM DB2 Cloud Rack ahead of Sailfish end-of-life in September 2026. Migration requires rigorous validation, testing, and security readiness across multiple enterprise data centers.

Role Summary

The Database Migration Specialist will execute end-to-end DB2 Sailfish to Cloud Rack migration activities, including environment validation, data migration, intensive testing, and security/compliance assurance.

Roles and Responsibilities

• Execute DB2 Sailfish to DB2 Cloud Rack migrations including environment and configuration validation.
• Validate infrastructure, database configuration, network connectivity, and access controls.
• Perform functionality, performance, stress, scalability, and failover testing.
• Execute data migration, reconciliation, and integrity validation.
• Work closely with application, infrastructure, IBM, and security teams to resolve issues.
• Develop migration runbooks, validation reports, and sign-off documentation.
• Support cutover execution and post-migration stabilization.

Qualifications

• Strong hands-on experience with IBM DB2 (LUW) or Oracle database platforms.
• Proven delivery of large-scale database or platform migrations.
• Strong testing mindset with data validation and reconciliation experience.
• Experience working across multiple technical and vendor teams.
• Best practices and regulated environments preferred.