We are seeking an experienced AS/400 (iSeries) System Administrator – L3 to manage and support i (AS/400) environments within a 24x7 enterprise infrastructure. The role involves administration, troubleshooting, performance monitoring, backup and recovery management, security administration, high availability support, and system maintenance activities. The candidate will serve as the primary escalation point for operational issues and ensure the stability, availability, and performance of I-systems.
Key Responsibilities
- System Administration & Performance Management
- Respond to and resolve escalated incidents that cannot be addressed by L1-L2 AS/400 Operations teams.
- Monitor, analyze, and optimize system performance
- Perform proactive health checks and recommend improvements.
- Generate and maintain daily system status and operational reports.

User and Security Administration
- Create, modify, and manage user profiles and service accounts.
- Troubleshoot user access, authorization, and authority-related issues.




- Support secure key generation and SSH configuration for internal and external connectivity.
- Manage Digital Certificates, SSL implementation, renewals, and certificate lifecycle activities.

Backup, Recovery & BRMS Administration
- Ensure successful execution of daily, weekly, monthly, and full system backups.
- Analyze backup logs and resolve backup failures, unsaved objects, and abnormalities.
- Perform backup validation and restoration activities.
- Support disaster recovery testing and recovery procedures.

Storage & Tape Library Administration
- Administer and monitor internal and external storage systems.
- Support disks reclaim activities and storage optimization initiatives.
- Manage ASP cleanup and object size reporting.
- Administer tape libraries, tape devices, media management, software upgrades, tape movement, and cleanup activities.

Job Management & Operations Support
- Create, modify, and manage jobs using Advanced Job Scheduler.
- Co

📌 AS/400 (IBM iSeries) System Administrator- (Bogotá)
🏢 CBL Solutions
📍 Bogotá