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Posted 2 months ago

Mainframe Data Masking Specialist – z/OS, COBOL, JCL, DB2 & Data Privacy

@ Astra North Infoteck Inc.

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Toronto, Ontario

Contract8+ years experience
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SIGNALS

Overview

Astra North Infoteck Inc. is hiring a contract Mainframe Data Masking Specialist in Toronto, ON, on a hybrid schedule with two in-person days per week at the Toronto office preferred. The role masks sensitive data in z/OS environments using COBOL, JCL, DB2 and VSAM while keeping data integrity and application function intact. The posting asks for 8 to 10 years of experience.

Responsibilities:

  • Analyze, transform and mask sensitive data in z/OS mainframe environments
  • Work with VSAM datasets, COBOL copybooks and record layouts
  • Troubleshoot batch jobs and JCL execution
  • Preserve data integrity and application functionality

Requirements summary:

  • 8 to 10 years of mainframe experience with z/OS, COBOL, JCL and DB2
  • Hands-on experience with mainframe datasets and file formats
  • Strong troubleshooting of batch jobs and mainframe data processing
  • Bachelor's degree or equivalent experience

Tools & skills

z/OSCOBOLJCLDB2VSAMDFSORTICETOOLREXX
Source and dates

Source type not verified · zoho

Employer posting date
2026-09-07
First seen by our source
2026-10-11
Source record updated
2026-10-11

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Experience8+ years
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required)
Fields of studyComputer Science, Information Technology, Engineering

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Astra North Infoteck Inc.

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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:

Strong 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.


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