TDM Mainframe Expert

We are looking for a TDM Mainframe Expert with extensive experience in Mainframe systems, Test Data Management, Data Masking, Data Privatization and Delphix. The ideal candidate should have strong hands-on expertise across DB2 z/OS, VSAM, JCL, COBOL and mainframe datasets, combined with Delphix masking, GenRocket synthetic data generation and enterprise-scale TDM delivery.

Key Responsibilities

• Deliver mainframe data privatization and masking using Delphix across DB2 z/OS, VSAM, PS and GDG datasets
• Design and implement custom Delphix masking algorithms and profiling rules for mainframe and legacy data structures
• Manage PII masking across large application portfolios and multiple non-production environments
• Design and implement GenRocket synthetic data generation from POC through production
• Build data subsetting models while maintaining referential integrity across integrated upstream/downstream systems
• Lead end-to-end TDM and data privatization initiatives for enterprise and regulated-industry applications
• Drive transition from assisted test data support to self-service TDM models
• Tune mainframe batch jobs and Delphix masking processes to support large-scale and parallel processing
• Conduct TDM assessments, identify data gaps and recommend appropriate tools and solutions
• Support Delphix TDM platform operations including health checks, vulnerability remediation, patching and capacity planning
• Work with distributed teams and business stakeholders across onsite/offshore and hub-and-spoke delivery models
• Mentor team members and provide technical guidance on Mainframe TDM, masking and test data management

Mandatory Skills

• 7+ years hands-on Mainframe TDM experience
• Strong DB2 z/OS
• VSAM, PS, GDG
• Strong COBOL and JCL
• Mainframe batch processing and optimization
• Delphix Continuous Compliance Engine / Data Masking
• Delphix Continuous Data Engine / Data Virtualization
• Custom masking algorithms and profiling
• Data Privatization / PII Masking
• GenRocket
• Data subsetting and referential integrity
• Enterprise-scale TDM implementation