Location
mississauga
Job Type
Full-time
Posted
May 25, 2026
Job Description
Job Summary We are seeking a highly experienced
AS/400 (IBM i / iSeries) System Administrator – L3
with
8+ years of hands‑on experience
in core IBM i system administration, combined with strong leadership and customer‑facing skills.
The role requires deep expertise across the full lifecycle of IBM i systems, including system builds, migrations, OS upgrades, PTF management, performance tuning, and proactive maintenance, to ensure high availability, optimal performance, and security of production, test, and development environments.
Key Responsibilities
Lead a highly technical team and provide guidance and mentorship.
Perform software installation, OS upgrade, server build/migration and ongoing maintenance.
Plan, schedule, and execute proactive maintenance, OS and third‑party software upgrades, and PTF installation.
Conduct capacity planning, performance monitoring, and tuning.
Create and e...
AS/400 (IBM i / iSeries) System Administrator – L3
with
8+ years of hands‑on experience
in core IBM i system administration, combined with strong leadership and customer‑facing skills.
The role requires deep expertise across the full lifecycle of IBM i systems, including system builds, migrations, OS upgrades, PTF management, performance tuning, and proactive maintenance, to ensure high availability, optimal performance, and security of production, test, and development environments.
Key Responsibilities
Lead a highly technical team and provide guidance and mentorship.
Perform software installation, OS upgrade, server build/migration and ongoing maintenance.
Plan, schedule, and execute proactive maintenance, OS and third‑party software upgrades, and PTF installation.
Conduct capacity planning, performance monitoring, and tuning.
Create and e...
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