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Added 9 mins ago
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Software Developer Full Stack / Backend I (Co-op) - Canada
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Support Satellite Reference Database development and validation.
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Satellite Database Systems Engineer | Remote Opportunity | Fastwater Staffing
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Sales Enablement Coordinator
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Added 37 mins ago
Software Developer Full Stack / Backend I (Co-op) - Canada
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Software Developer Full Stack / Backend I (Co-op) - Canada
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Software Developer Full Stack / Backend I (Co-op) - Canada
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Added 37 mins ago
Software Developer Full Stack / Backend I (Co-op) - Canada
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Added 37 mins ago
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Navitas Partners, LLC

AS400 /IBM i Infrastructure Administrator

Toronto, ON, Canada

Job type: Contract
Apply by: Oct 31, 2026
Posting language: English
Posted: Oct 1, 2026

Apply About employer

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Original job description

Job Title: AS400 /IBM i Infrastructure Admin

Duration: 12+ months contract (possibility of extension/conversion)

Work Location: Toronto, ON (Hybrid – 3days onsite, 2days WFH)

The Role:

As the AS400 (IBM i) Infrastructure Admin you will be responsible for the administration, stability, performance, and security of the IBM i (AS/400) infrastructure. This role ensures high availability of critical business applications by managing system operations, capacity, upgrades, backup/recovery, and incident resolution, while working closely with application, database, and operations teams.

Key Responsibilities:

IBM i / AS400 System Administration

Administer, monitor, and support IBM i (AS/400) systems in production, development, and test environments.
Perform system configuration, upgrades, PTF management, and OS releases.
Manage system objects, libraries, user profiles, authorization lists, and security settings.
Monitor system performance, job queues, subsystems, disk usage, and system logs.
Manage high availability (HA) and disaster recovery (DR) solutions (e.g., PowerHA, MIMIX, iCluster).
Perform capacity planning and performance tuning.
Execute backup and recovery procedures and conduct regular restore testing.

Incident, Problem & Change Management

Troubleshoot and resolve system-level incidents and performance issues.
Support change management processes, including patching and infrastructure changes.
Work collaboratively with service management tools (e.g., ServiceNow).

Security & Compliance

Enforce IBM i security best practices, user access controls, and audit requirements.
Support internal and external compliance audits (SOX, PCI, etc.).
Monitor system access, review logs, and remediate vulnerabilities.

Automation & Continuous Improvement

Develop and maintain CL, RPG, or scripting solutions to automate operational tasks.
Identify and implement infrastructure improvements and optimization opportunities.
Create and maintain technical documentation, runbooks, and operational procedures.

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More about this job

Responsibilities

Administer and maintain IBM i systems across production, development, and test environments, including upgrades, security, performance, capacity, and backup and recovery. Resolve incidents, support high availability and disaster recovery, automate operational tasks, and maintain documentation while collaborating with application, database, and operations teams.

Requirements

The role calls for expertise administering IBM i (AS/400) infrastructure, including system operations, security, performance, upgrades, and backup and recovery. Experience with high availability and disaster recovery solutions, incident and change management, and CL, RPG, or scripting automation is relevant; no specific education requirement is stated.

Skills

IBM i Administration
AS/400 System Administration
System Configuration
PTF Management
Operating System Upgrades
IBM i Security
High Availability
Disaster Recovery
Capacity Planning
Performance Tuning
Backup and Recovery
Incident Management
Change Management
CL
RPG
Automation

Visa sponsorship

Not detected in the job text

Keywords

IBM i
AS/400
PowerHA
MIMIX
iCluster
PTF Management
Operating System Releases
System Objects
Libraries
User Profiles
Authorization Lists
System Performance Monitoring
Job Queues
Subsystems
Capacity Planning
Performance Tuning
High Availability
Disaster Recovery
Backup and Recovery
ServiceNow
SOX
PCI
CL
RPG
Scripting
Incident Management
Problem Management
Change Management
Security Audits
Runbooks

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