AS400 Administrator
Location : Remote
Employment Type : Long-Term Contract
Visa : USC or GC only
Position Overview seeking an experienced AS400 Administrator to provide full end-to-end administration, system maintenance, and operational support for the IBM iSeries / AS400 environment. This role requires strong expertise in AS400 system configuration, monitoring, troubleshooting, performance tuning, security administration, and backup / restore processes.
The ideal candidate will be able to work independently, ensure overall system stability, and support mission-critical operations in a remote environment.
Key Responsibilities
Perform day-to-day administration of AS400 / iSeries systems
Manage system configuration, installation, upgrades, and patching
Monitor system performance and perform tuning to ensure optimal efficiency
Troubleshoot hardware, software, and system-level issues
Support job scheduling, batch processing, and system automation
Manage user access, security setup, roles, and permissions
Perform backups, restores, disaster recovery testing, and data replication
Coordinate with internal teams for system enhancements and operational support
Maintain system documentation, logs, and audit compliance
Provide 24 / 7 on-call support as required
Ensure high availability and reliability across AS400 systems
Required Skills & Experience
5+ years of hands-on AS400 / iSeries Administration experience
Strong expertise with system operations, performance tuning, and troubleshooting
Experience with AS400 security, user administration, and audit controls
Proficiency in backup / restore processes and disaster recovery planning
Knowledge of job scheduling tools (Robot Scheduler, Control-M, or similar)
Familiarity with CL programming and command-line operations
Ability to manage upgrades, patches, and system migrations
Excellent communication and remote collaboration skills
Ability to start immediately
Preferred Qualifications
Experience supporting AS400 in enterprise environments
Knowledge of Power Systems hardware
Understanding of DB2 on AS400
Experience working in regulated industry environments
Administrator • Chicago, IL, United States