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Mainframe Data Masking Specialist

  • Toronto, ON
  • Hybrid
  • Posted Sep 24, 2026
  • 1 position

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Employment type
Contract
Experience level
Senior · 5+ years
Minimum education
Bachelor’s degree
Apply by
Oct 18, 2026
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

The specialist will support data privacy and masking initiatives within Mainframe environments by analyzing and transforming sensitive information. They will ensure data integrity and application functionality while working with complex datasets and batch processing.

Job details

Role: Mainframe Data Masking Specialist Toronto Hybrid 1yr contract 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: 1. Strong Mainframe experience with z/OS, COBOL, JCL, and DB2. 2. Hands-on experience with Mainframe datasets, VSAM, file formats, COBOL copybooks, and record layouts. 3. Strong troubleshooting experience with batch jobs, JCL execution, and Mainframe data processing. Top 3 Preferred Skills: 1. Experience with REXX, DFSORT, ICETOOL, or similar Mainframe automation utilities. 2. Knowledge of EBCDIC, fixed/variable length records, and COMP-3 data structures. 3. Experience supporting data masking, data privacy, or data transformation initiatives. Education Requirements: Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.

What you’ll do

The specialist will support data privacy and masking initiatives within Mainframe environments by analyzing and transforming sensitive information. They will ensure data integrity and application functionality while working with complex datasets and batch processing.

Requirements

Candidates must have strong expertise in z/OS, COBOL, JCL, DB2, and VSAM, along with experience in record layouts and EBCDIC data formats. A bachelor's degree in a relevant technical field is required, and experience with data masking projects is considered an advantage.

Listed skills

  • COBOL · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Z/OS
  • COBOL
  • JCL
  • DB2
  • VSAM
  • Mainframe
  • Data masking
  • EBCDIC
  • Batch processing
  • REXX
  • DFSORT
  • ICETOOL
  • Data privacy
  • Data transformation
  • Automation utilities

Job areas

  • Technology
  • Software
  • Data & Analytics
  • Consulting

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