IBM i (AS/400) Administrator L3

Experience: 6+ Years
Environment: IBM i / AS/400, IBM Power Systems

Contract type: Remote

Job Overview

We are looking for an experienced IBM i (AS/400) Administrator L3 to administer, secure, troubleshoot, and optimize IBM i environments running on IBM Power Systems. The role will support production, development, and DR environments while ensuring system availability, performance, and security.

Key Responsibilities

• Install, configure, maintain, and administer IBM i (AS/400) operating systems.
• Perform OS upgrades, Technology Refreshes (TRs), PTFs, and routine system maintenance.
• Manage IBM Power Systems, PowerVM, LPARs, and HMC environments.
• Manage user profiles, group profiles, authorities, security policies, and auditing.
• Configure and maintain BRMS for backup, recovery, and disaster recovery.
• Monitor CPU, memory, disk, jobs, system health, and overall performance.
• Troubleshoot production issues using job logs, message queues, and system logs.
• Provide L2/L3 support and participate in major incident resolution.
• Support HA/DR technologies including PowerHA, MIMIX, or iCluster.
• Support SAN, storage, replication, and other infrastructure technologies.
• Develop CL programs, schedule batch jobs, and automate administrative tasks.
• Work with application, network, storage, and infrastructure teams on complex issues.
• Support IBM i migrations, upgrades, capacity planning, and performance tuning.
• Mentor L1/L2 administrators and provide technical guidance during critical incidents.

Required Skills

• 6+ years of hands-on IBM i / AS400 Administration experience.
• Strong knowledge of IBM Power Systems, PowerVM, LPAR, and HMC.
• Hands-on experience with BRMS, Backup & Recovery, and DR.
• Strong experience with CL Programming and batch job scheduling.
• Knowledge of Db2 for i and TCP/IP networking.
• Experience with IBM i security, user administration, and auditing.
• Strong troubleshooting and performance monitoring/tuning experience.
• Experience with PowerHA, MIMIX, or iCluster.
• Ability to lead major incidents, upgrades, migrations, and complex troubleshooting.
• Strong communication skills with the ability to mentor L1/L2 administrators.