Zettamine Labs
Database Architect / Mainframe DB SME
Skills
1 month ago
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Important information
Contract type:
Permanent
Location:
Bengaluru, Karnataka, India
Work mode:
Onsite
Published on:
24 September 2026
What they need
- ETL tools (Informatica, Talend, custom scripts)
- Cloud migration (AWS RDS, Azure PostgreSQL)
- DevOps practices for database deployment and monitoring
- Stakeholder communication and documentation
- Performance tuning and capacity planning
- Compliance frameworks
Secondary Skills Role & responsibilities
- Design target data architecture to support enterprise modernization initiatives, ensuring scalability, security, and performance.
- Develop data models (conceptual, logical, physical) aligned with business requirements and futurestate architecture.
- Lead data migration design from legacy mainframe systems (DB2, VSAM, IMS) to PostgreSQL, including schema translation and stored procedure refactoring.
- Define data quality strategy with governance frameworks, validation rules, and cleansing processes to ensure accuracy and consistency.
- Execute DB2-to-PostgreSQL conversion including performance tuning, indexing, and query optimization.
- Manage VSAM-to-PostgreSQL conversion by mapping hierarchical flatfile structures into normalized relational schemas.
- Oversee IMS hierarchy conversion to relational PostgreSQL models, ensuring data integrity and lineage.
- Establish data lineage across ETL pipelines, reporting layers, and downstream applications for compliance and audit readiness.
- Design advanced indexing strategies to optimize query performance and reduce latency in PostgreSQL.
- Collaborate with application teams, business stakeholders, and infrastructure SMEs to align database solutions with enterprise goals.
- Provide technical leadership in modernization projects, guiding junior DBAs and developers on best practices.
- Document architecture, migration approaches, and operational procedures for knowledge transfer and longterm support.
- Support full lifecycle activities: requirement gathering, design, build, test, deployment, hypercare, and production support.
- Drive continuous improvement by identifying automation opportunities and optimizing legacytomodern migration processes.
Mandatory Skills:
- Target data architecture
- Data modeling
- Data migration design
- Data quality strategy
- DB2-to-PostgreSQL conversion
- VSAM-to-PostgreSQL conversion
- IMS hierarchy conversion
- Data lineage
- Index design
Secondary Skills:
- ETL tools
- Cloud migration
- DevOps practices
- Stakeholder communication and documentation
- Performance tuning and capacity planning
- Compliance frameworks
If you are interested and meet the above requirements, please share your updated profile at [email protected] . I will personally follow up with you after receiving your application.
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