Job Description Mainframe Data Masking Specialist z/OS, COBOL, JCL, DB2 & Data Privacy Toronto, ON Hybrid (2 days per week in-person at Toronto office preferred) Skills: Compliance: Data Privacy; Mainframe DB2 - Application Development; Data Architecture and Modeling Experience Required: 8-10 Role Descriptions: Detailed Job Description: We are looking for an experienced Mainframe Data Masking Specialist to support data privacy and masking initiatives within Mainframe environments.

The candidate will work extensively with z/OS, COBOL, JCL, DB2, VSAM datasets, and Mainframe utilities to analyze, transform, and mask sensitive information while preserving data integrity and application functionality.

The ideal candidate should have strong expertise in Mainframe file structures, COBOL copybooks, record layouts, EBCDIC data formats, batch processing, and automation utilities.

Experience with data masking projects is an added advantage.

Top 3 Required Skills: Solid Mainframe experience with z/OS, COBOL, JCL, and DB2.

Hands-on experience with Mainframe datasets, VSAM, file formats, COBOL copybooks, and record layouts.

Strong troubleshooting experience with batch jobs, JCL execution, and Mainframe data processing.

Top 3 Preferred Skills: Experience with REXX, DFSORT, ICETOOL, or similar Mainframe automation utilities.

Knowledge of EBCDIC,



fixed/variable length records, and COMP-3 data structures.

Experience supporting data masking, data privacy, or data transformation initiatives.

Education Requirements: Bachelor''s degree in Computer Science, Information Technology, Engineering, or equivalent experience.

Requirements Top 3 Required Skills: 1. IBM Financial transaction 2.

Payment flow 3.

Support Modernization Detailed Job Description: Design, develop, and maintain applications built on IBM Financial Transaction Manager (FTM) to support core payments processing.

Contribute to the development of payment flows supporting transaction processing.

Build and support integrations between FTM and upstream/downstream systems using enterprise integration patterns.

Participate in the design, development, testing, deployment, and production support.

Troubleshoot and resolve application and integration issues in a complex, regulated environment.

Collaborate with architecture, QA, and operations teams to ensure platform stability, scalability, and performance.

Support modernization initiatives and enhancements to existing payment hub capabilities.

Produce clear technical documentation and participate in code reviews and knowledge sharing.

📌 Mainframe Data Masking Specialist – z/OS, COBOL, JCL,& Data Privacy (Toronto)
🏢 Astra North Infoteck
📍 Toronto