J

Mainframe Infra Engineer

Toronto, Ontario
On-site
Full-time
No salary posted1 weeks ago
Employment type
Full-time · On-site
Posted
October 28, 2026
Province
Ontario (ON)

Hiring confidence: Sparse posting · 22/100

This posting is missing most of the signals we look for, or shows patterns common to listings that are not actively being filled. Check with the employer before applying. How this is scored

Job Overview

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Job Description Job Description • Own the IBM z/OS patch management strategy, including SMP/E maintenance (PTFs, APARs, RSU/CSI management) and subsystem patching (CICS, DB2, IMS, MQ, RACF, and related products). • Define the rolling patch and maintenance calendar in alignment with IBM service delivery cycles, security advisories, and enterprise change freeze windows. • Assess incoming IBM and ISV maintenance for applicability, risk, and priority; triage HIPER, security, and integrity PTFs for …

This role is based in Ontario. J M Group Inc is hiring for this full-time position through Jobily, where you can check how well your resume matches the posting before you apply.

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J

J M Group Inc