Mainframe Systems Programmer (z/OS) – Public Sector

Ottawa, Ontario, Canada • Posted June 05, 2026

Job Type: Full-time
Location: Ottawa, Ontario
Posted: June 05, 2026
Category: Computer Occupations
Application Deadline: July 15, 2026

Role Description

Mainframe Systems Programmer (z/OS) – Public Sector

Location: Ottawa, ON


About the Role

We are seeking a Mainframe Systems Programmer responsible for supporting and administering enterprise IBM z/OS environments supporting critical Public Sector applications and services.


IMPORTANT NOTE – PUBLIC SECTOR EXPERIENCE REQUIRED

Candidates must have experience supporting enterprise infrastructure within Government, Healthcare, Defense, Education, Utilities, Transportation, or other Public Sector organizations.


Candidates without Public Sector experience will not be considered.


Responsibilities

  • Administer IBM z/OS environments.

  • Perform upgrades, maintenance, and patching.

  • Manage system performance and capacity planning.

  • Support disaster recovery initiatives.

  • Administer RACF security controls.

  • Troubleshoot system an...

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