Database Migration Engineer

Sigmoid; Bengaluru; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Sigmoid is seeking a hands-on Database Migration Engineer to lead large-scale migrations from Sybase ASE/IBM DB2 to PostgreSQL, Amazon Aurora PostgreSQL, and SingleStore. The role requires migration assessment, schema conversion, data validation, reconciliation, and performance testing, plus coordinating with cross-functional teams and ensuring data integrity.

You will perform database administration, tuning, backup/recovery, and develop runbooks and documentation to stabilize production after

Qualifications

• Experience in large-scale enterprise migrations.
• Migration assessment, schema conversion, data validation.
• Database cutover, go-live, and post-migration stabilization.
• Troubleshoot migration issues and runbooks execution.
• Coordinate with application, infrastructure, cloud, and engineering teams.

Responsibilities

• Execute migrations from Sybase ASE / IBM DB2 to PostgreSQL / Amazon Aurora PostgreSQL / SingleStore.
• Perform migration assessment, schema conversion, data validation, reconciliation, and performance testing.
• Execute database cutover, rollback, production go-live, and post-migration stabilization.
• Troubleshoot migration issues and independently execute migration runbooks across waves.
• Coordinate with application, infrastructure, cloud, and engineering teams.

Skills

Sybase ASE

IBM DB2

PostgreSQL

Amazon Aurora PostgreSQL

AWS

database migration

database administration

performance tuning

Shell

Python

PowerShell

troubleshooting

end-to-end migration

Job description

Database Migration Engineer JD

We are looking for a hands-on Database Migration Engineer with experience in large-scale enterprise database migrations and Migration Factory environments.

Key Responsibilities

• Execute migrations from Sybase ASE / IBM DB2 to PostgreSQL / Amazon Aurora PostgreSQL / SingleStore.
• Perform migration assessment, schema conversion, data validation, reconciliation, and performance testing.
• Execute database cutover, rollback, production go-live, and post-migration stabilization.
• Troubleshoot migration issues and independently execute migration runbooks across migration waves.
• Coordinate with application, infrastructure, cloud, and engineering teams.
• Perform database administration, performance tuning, backup/recovery, and optimization.
• Develop migration documentation, runbooks, status reports, and operational procedures.
• Ensure data integrity, availability, security, and compliance throughout the migration lifecycle.

Must-Have Skills

• Sybase ASE + IBM DB2 + PostgreSQL
• Amazon Aurora PostgreSQL + AWS
• Hands-on database migration experience
• Database administration & performance tuning
• Shell / Python / PowerShell scripting and automation
• Strong troubleshooting and analytical skills
• Ability to independently manage end-to-end database migration activities