AS400 Infrastructure Administrator – L1

Experience: 3–5 Years

Job Summary

We 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 Responsibilities

- Monitor 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 Skills

- 3–5 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.
- Experience with PTF management and routine system maintenance.
- Strong troubleshooting, incident management, documentation, and escalation skills.

📌 Infrastructure Administrator – (Bogotá)
🏢 GeorgiaTEK Systems
📍 Bogotá