AS400 / IBM I Infrastructure Analyst

Veriipro; Phoenix (AZ); On-site; USD 80,000 - 100,000; Full time

Job summary

Veriipro is seeking an experienced IBM i (AS/400) Administrator to support system administration across production and development environments. The ideal candidate has over 5 years in IBM i environments and strong troubleshooting and analytical skills.

This role involves managing system objects, monitoring performance, and supporting high availability and disaster recovery solutions. Strong experience with OS upgrades and user security is essential.

Qualifications

• 5+ years of experience working with IBM i (AS/400) environments.
• Strong hands-on experience with IBM i system administration.
• Experience with OS upgrades, PTF management, and system maintenance.

Responsibilities

• Administer, monitor, and support IBM i (AS/400) systems.
• Perform system upgrades and ongoing maintenance.
• Support high availability (HA) and disaster recovery (DR) environments.

Skills

IBM i (AS/400) Administration

OS Upgrades & PTF Management

Job Management & Subsystems

System Monitoring & Performance Tuning

User Security & Access Controls

Backup, Recovery & Disaster Recovery

High Availability Solutions (PowerHA, MIMIX, iCluster)

CL & Shell Scripting

Compliance & Audit Support

Infrastructure Troubleshooting

Job description

Required Qualifications

• 5+ years of experience working with IBM i (AS/400) environments.
• Strong hands‑on experience with IBM i system administration and infrastructure support.
• Experience with OS upgrades, PTF management, system maintenance, and release management.
• Experience managing job queues, subsystems, system monitoring, and performance tuning.
• Experience with user security, profiles, permissions, authorization lists, and access controls.
• Experience monitoring system performance, resource utilization, and capacity planning.
• Experience supporting production environments with high availability requirements.
• Strong troubleshooting, analytical, and problem‑solving skills.

Roles & Responsibilities

• Administer, monitor, and support IBM i (AS/400) systems across production, development, and test environments.
• Perform system upgrades, PTF installations, configurations, and ongoing maintenance.
• Manage system objects, libraries, user profiles, authorization lists, and security settings.
• Monitor system performance, job queues, subsystems, disk utilization, and system logs.
• Support high availability (HA) and disaster recovery (DR) environments.
• Execute backup and recovery processes, including restore testing and validation.
• Troubleshoot and resolve infrastructure, performance, and system‑level issues.
• Support change management activities, patching, and infrastructure enhancements.
• Enforce security best practices and support compliance and audit requirements.
• Develop and maintain automation scripts, operational procedures, and technical documentation.
• Collaborate with application, database, and operations teams to ensure platform stability and availability.

Preferred Qualifications

• Experience with HA/DR solutions such as PowerHA, MIMIX, iCluster, or similar.
• Familiarity with compliance and audit requirements (SOX, PCI, etc.).
• Experience with automation or scripting (CL, Shell, or equivalent).
• Exposure to monitoring and reporting tools.
• Experience working in large‑scale enterprise environments.
• Familiarity with IBM i integration with other enterprise systems.

Key Skills

• IBM i (AS/400) Administration
• OS Upgrades & PTF Management
• Job Management & Subsystems
• System Monitoring & Performance Tuning
• User Security & Access Controls
• Backup, Recovery & Disaster Recovery
• High Availability Solutions (PowerHA, MIMIX, iCluster)
• CL & Shell Scripting
• Compliance & Audit Support
• Infrastructure Troubleshooting