Senior Db2 for z/OS Data Architect Contractual Opportunity | Initial 3 Months | Expected Start: 2 November 2026 Role Overview We are looking for a Senior Db2 for z/OS Data Architect with strong mainframe data warehouse experience, preferably with hands-on experience in data migration initiatives. The role will own the Db2 side of a migration to Snowflake, from assessment and design through migration, reconciliation, and cutover support.

Key Responsibilities
• Assess and inventory Db2 for z/OS objects, workloads, data flows, and downstream consumers.
• Reverse-engineer an undocumented mainframe data estate independently using Db2 catalog
• information, packages, SQL, COBOL batch programs, JCL, scheduler flows, and Informatica jobs.
• Distinguish data warehouse usage from operational source usage and identify dependencies relevant to migration.
• Own the Db2 workstream for migration to Snowflake from assessment through implementation and
• cutover.
• Design and execute the data migration approach, including data movement, pipeline migration,
• validation, and reconciliation.
• Work closely with solution/data architects and the delivery team to define migration patterns and resolve technical dependencies.
• Support cutover activities, issue resolution, and post-migration validation as required.
• Required Skills & Experience
• 15+ years of experience working with IBM Db2 for z/OS as a DBA, Data Architect, or in a closely related senior mainframe data role.




• Strong experience with mainframe data warehouses and complex Db2 environments.
• Strong ability to independently understand and reverse-engineer undocumented legacy/mainframe
• estates.
• Hands-on understanding of Db2 catalog, packages, SQL, COBOL batch, JCL, and scheduler flows.
• Experience with Informatica jobs and data-loading workflows.
• Strong understanding of data migration, data validation, reconciliation, and cutover activities.
• Experience with Snowflake migration initiatives is highly desirable.
• Robust communication and collaboration skills, with the ability to work directly with architects and
• delivery teams. Preferred Experience
• Prior experience leading or contributing to Db2 for z/OS to Snowflake migration programs.
• Experience assessing legacy data estates and defining migration strategy and sequencing.
• Experience working across data architecture, database, ETL/pipeline, and mainframe teams. Engagement Details Position: Senior Db2 for z/OS Data Architect

Experience:
15+ years Engagement Type: Contractual Initial Contract Duration: 3 months; extension based on project duration Expected Start Date: 2 November 2026 Ideal Candidate The ideal candidate is a senior Db2 for z/OS specialist who can independently understand complex and undocumented mainframe data environments, translate the existing estate into a migration plan, and drive the Db2 workstream through migration, reconciliation, and cutover while partnering closely with architecture and delivery teams.

📌 Senior Db2 for z/OS Data Architect (Bengaluru)
🏢 Magneton Technologies
📍 Bengaluru