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# IBMi (AS/400) Systems Administrator

- **Company:** TEKSYSTEMS INC.
- **Location:** Greenwood Village, CO, United States (Remote available)
- **Experience:** Experienced
- **Salary:** $104,000.0 - $135,200.0
- **Contract:** Temporary contract
- **Skills:** Os/400 Operating System, IBM System I, Backup Devices, Computer Maintenance, Disaster Recovery, Firmware, Monitoring of Systems, Job Scheduling, Log Analysis, Uptime, Network Protocols, Open Database Connectivity, Performance Tuning, TCP/IP, User Provisioning Software, Data Storage Management, File Transfer Protocol (FTP), Reliability of Systems
- **Published:** June 12, 2026
- **Apply:** https://www.dice.com/job-detail/891141f8-5ae7-4e10-a404-f96a5c4d7e04

## About the Role

* 3-5+ years of IBMi (AS/400) systems administration experience
 * Strong experience with:
 + OS/400 / i5/OS
 + CL commands
 + IBMi hardware support
 + PowerVM
 + Storage management concepts
 * Experience with job scheduling, system monitoring, and backup tools (BRMS or similar)
 * Solid understanding of IBMi security, user provisioning, and authority management
 * Ability to independently diagnose and resolve system and performance issues
 * Strong documentation and change management experience

Nice to Have

 * Experience with TSM, Cohesity, or other backup tools
 * Exposure to PowerHA, MIMIX, RobotHA
 * Familiarity with networking protocols (TCP/IP, FTP, ODBC)
 * Experience supporting ACBS or commercial banking systems

Work Environment

 * Fast-paced and highly collaborative team
 * Critical systems environment - attention to detail is key
 * Strong team support and communication culture
 * Initial learning curve, followed by strong long-term stability

Additional Details

 * Onsite initially for training, with flexibility for 100% remote work after ramp-up
 * No degree required (High School Diploma required)
 * Background check required

## Description

an experienced IBMi (AS/400) Systems Administrator to support a highly critical enterprise environment. This
role is ideal for someone who thrives in a hands-on operational environment, enjoys troubleshooting complex systems, and
takes pride in maintaining system reliability, performance, and security.
You'll play a key role in day-to-day system operations, performance optimization, and incident resolution within a collaborative
team., * Monitor and maintain IBMi systems (OS/400, i5/OS) to ensure uptime and performance

 * Perform system health checks, job monitoring, subsystem management, and message handling
 * Apply PTFs, firmware updates, and OS upgrades through change management processes
 * Manage user profiles, system security, and resource allocation
 * Support backup, restore, and storage operations (including tape and archival processes)
 * Troubleshoot hardware, OS, and system-level issues; analyze logs and performance data
 * Partner with vendors for hardware maintenance and issue resolution
 * Support disaster recovery and data protection processes (TSM, Cohesity, etc.)
 * Participate in an on-call rotation for after-hours support


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