IBMi System Administrator

Role Purpose

The IBMi Systems Administrator (Junior) role forms part of the organisation’s technical succession pipeline, providing structured, accelerated development into a fully accountable IBMi administrator. The incumbent will work closely with senior engineers, supporting daily operations while gaining hands-on experience across IBM i, Power Systems, and storage platforms. The role requires a proactive learning mindset, with the expectation that the individual will rapidly build capability, take ownership of assigned functions, and progress towards independent operational responsibility.

Requirements

Qualification

• Grade 12 or equivalent qualification
• Relevant IT qualification

Experience

• At least 3 - 5 years working experience on the IBM i (AS400)
• Experience in financial services or large enterprise environments (advantageous)
• Enterprise IBM i environments
• IBM Power servers and virtualization (LPARs)
• SAN/Flash storage platforms

Certifications

• Operator or Administrator certification in relevant operating systems (preffered)
• Relevant IBM Approved Badges

Duties and Responsibilities

IBM i System Administration

• Administer and maintain IBM i (AS/400) environments across Production, DR, Development, and Test systems
• Perform system configuration, upgrades, PTF management, and OS maintenance
• Monitor:
• Jobs, subsystems, job queues, and system logs
• Disk usage, ASPs, and system performance
• Troubleshoot system-level incidents and performance issues

IBM Power Systems

• Manage IBM Power infrastructure via HMC (Hardware Management Console)
• Perform:
• Partition (LPAR) management
• Firmware updates and maintenance tasks
• Coordinate hardware changes, upgrades, and maintenance windows

IBM Flash Storage / SAN

• Administer IBM FlashSystem and storage environments, including:
• Storage provisioning and allocation
• Performance monitoring and tuning
• Replication and snapshot technologies (e.g., FlashCopy)
• Manage SAN connectivity and ensure optimal performance and availability

High Availability & Disaster Recovery

• MIMIX / IBM replication technologies
• Execute:
• Backup and restore procedures (BRMS, FlashCopy, VTL)
• Disaster recovery testing and validation
• Ensure RPO/RTO targets are met and continuously improved

Security & Compliance

• Administer IBM i security, including:
• User profiles, authorities, and access controls
• Password policies and certificate management
• Monitor and enforce compliance
• Internal audit requirements

Performance & Capacity Management

• Monitor system performance and proactively identify bottlenecks
• Conduct:
• Capacity planning (CPU, memory, storage)
• Performance tuning across IBM i and infrastructure layers
• Provide regular system health and performance reports

Integration & Middleware Support

• Administer and support IBM i-based integrations, including:
• MQ (queue and channel management)
• Secure file transfers (e.g., Connect:Direct, XCOM)
• Support application environments and business unit integrations

Incident, Change & Operations Support

• Resolve production incidents and service requests within SLA
• Participate in:
• Change management processes
• After-hours standby and major incident support
• Collaborate with infrastructure, database, network, and application teams

Automation & Continuous Improvement

• Develop and maintain automation scripts (CL, scripting tools)
• Improve operational efficiency through process optimisation
• Maintain documentation, runbooks, and standard operating procedures

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