AS400 Infrastructure Administrator – L1

AS400 Infrastructure Administrator – L1Experience: 3–5 YearsJob SummaryWe are seeking an AS400 Infrastructure Administrator – L1 to provide day-to-day operational support for enterprise AS400/iSeries environments. The role will focus on system monitoring, basic administration, backup operations, job management, incident troubleshooting, and escalation to L2/L3 teams.Key ResponsibilitiesMonitor AS400/iSeries systems, partitions, jobs, and system health.Perform routine AS400 system administration and operational tasks.Monitor and troubleshoot system jobs, subsystems, messages, and job queues.Support backup and recovery operations, including BRMS and tape backups.Monitor storage capacity, disk utilization, and IFS.Perform basic TCP/IP and network connectivity troubleshooting.Support user profiles, permissions, and basic IBM i security administration.Monitor HA/DR environments and replication, escalating issues when required.Support Advanced Job Scheduler and production workload monitoring.Assist with PTF installation, OS maintenance, system upgrades, and scheduled activities.Perform basic monitoring and administration of HMC, LPARs, and VIOS.Maintain operational documentation, checklists, and support procedures.Troubleshoot incidents and escalate complex issues to L2/L3 teams.Participate in 24x7 production support and on-call rotation.Required Skills3–5 years of AS400/iSeries administration or operations experience.Hands-on experience with IBM i/AS400, jobs, subsystems, WRKACTJOB, WRKSYSSTS, and system monitoring.Knowledge of BRMS, backup/recovery, storage, IFS, and tape operations.Basic understanding of HMC, LPAR, VIOS, TCP/IP, and HA/DR.