Job Description

Kforce has a client in Phoenix, AZ that is seeking an AS400/IBMi Infrastructure Analyst. Job Summary: The AS400 (IBM i) Infrastructure Analyst is 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:

• 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
• 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)
• 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
• 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
• 5+ years of hands-on experience administering IBM i (AS/400) environments
• Experience with backup/recovery tools and procedures
• Working knowledge of high availability and disaster recovery concepts
• Familiarity with ITIL-based service management processes
• Strong troubleshooting, analytical, and communication skills

• IBM i OS internals, subsystems, and storage management
• CL commands and scripting
• Job scheduling and workload management

• Experience with Power Systems hardware and virtualization (LPARs)
• Experience with monitoring tools and automation frameworks
• Exposure to modernization initiatives (integration with open systems, APIs)
• Prior experience in regulated or mission-critical environments

• Infrastructure reliability and operational excellence
• Problem-solving and root-cause analysis
• Collaboration with application, database, and operations teams
• Documentation and process discipline
• Proactive system monitoring and optimization

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