IBM i / AS400 System Administration (AS/400)

Job summary

Responsible for the administration, stability, and security of the IBM i (AS/400) infrastructure to ensure high availability of critical business applications. This includes managing system operations, capacity, upgrades, and collaborating with database and operations teams.

Job details

Work onsite 3 x a week from the client office in Toronto 2 positions available - Intermediate and Senior level ***Candidates must have government security clearance in place*** Job Description: AS400 /IBM i Infrastructure Analyst (Systems Administrator) - As the AS400 (IBM i) Infrastructure Analyst 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. * This role will require employees to work on-site in the Toronto area. Candidates are required to live in or around the Toronto area, or be willing to relocate there. 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.

What you’ll do

Responsible for the administration, stability, and security of the IBM i (AS/400) infrastructure to ensure high availability of critical business applications. This includes managing system operations, capacity, upgrades, and collaborating with database and operations teams.

Requirements

Candidates must possess government security clearance and be located in or willing to relocate to the Toronto area. Experience is required in IBM i system configuration, security best practices, and automation using CL or RPG.

Listed skills

• Technical Documentation · Preferred
• Change Management · Preferred
• Incident Management · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• IBM i Administration
• AS/400 System Administration
• PTF Management
• High Availability
• Disaster Recovery
• Capacity Planning
• Performance Tuning
• Backup and Recovery
• Incident Management
• Change Management
• ServiceNow
• Security Compliance
• CL
• RPG
• Scripting
• Technical Documentation

Job areas

• Technology
• Consulting
• Software
• Government & Public Sector