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# Systems Administrator: III (Senior)

- **Company:** ATLANTIC PARTNERS
- **Location:** Englewood, CO, United States
- **Experience:** Expert
- **Salary:** $92,300.0 - $166,850.0
- **Contract:** Permanent contract
- **Skills:** Os/400 Operating System, IBM System I, Systems Engineering, Backup Devices, Computer Maintenance, Data Recovery, Disaster Recovery, Firmware, Monitoring of Systems, Tivoli Management Framework, Job Scheduling, Networking Basics, Open Database Connectivity, Software Maintenance, TCP/IP, User Provisioning Software, File Transfer Protocol (FTP), Performance Monitor, Data Management
- **Published:** June 12, 2026
- **Apply:** https://www.careerjet.com/jobad/us4f9500c530013a6ff44a4ebdfc4012a0

## About the Role

* Strong analytical and problem solving abilities.
 * Effective communication skills with technical and non technical stakeholders.
 * Ability to work independently as well as collaboratively within an operations team.
 * Flexibility and willingness to provide after-hours support during critical incidents or maintenance windows.
*

Technology Requirements:

 * Strong knowledge of OS/400, CL commands, system administration, and hardware maintenance.
 * Experience with system operations including job scheduling, BRMS or backup utilities, and system monitoring.
 * Understanding of IBMi security, user provisioning, authority management, and auditing.
 * Ability to troubleshoot system, job, performance, and operational issues independently.

Strong documentation habits and familiarity with change management processes
Degree or Certification required?

 * No

Years of Experience?

 * 3-5+ years of experience supporting IBMi / AS/400 / iSeries environments.

Nice-to-Have Skills:

 * Experience with Cohesity, TSM (Tivoli Storage Manager), or other enterprise backup solutions.
 * Exposure to enterprise storage systems (SAN/NAS, IBM Power storage, etc.).
 * Knowledge of ACBS (Advanced Commercial Banking System) - significant plus.
 * Familiarity with HA/DR solutions like PowerHA, MIMIX, or Robot HA.
 * Experience with automation tools such as Robot Schedule, HelpSystems, or similar.
 * Knowledge of network concepts related to IBMi (TCP/IP, FTP, ODBC, etc.).

## Description

Our client is seeking an experienced IBMi (AS/400) Systems Engineer/Administrator to support, maintain, and enhance their enterprise IBMi environment. This role is responsible for day-to-day system operations, hardware and software maintenance, performance monitoring, troubleshooting, and on-call support as needed. The ideal candidate will have strong technical expertise in IBMi systems and a proactive approach to reliability, security, and operational excellence.
Team Culture/ Work Environment:

 * Fast paced
 * A lot of information at first
 * The work is very critical
 * Once the training is done, work will be pretty cushy

Key Projects:

 * Picking up the extra work, * Daily Operations & Maintenance

o Monitor and maintain IBMi (OS/400, i5/OS) systems to ensure optimal performance and uptime.
o Perform system health checks, job monitoring, subsystem management, and system message handling.
o Apply PTFs, firmware updates, and OS upgrades in coordination with change management processes.
o Manage user profiles, system security, and resource allocation.
o Perform routine storage, tape, and backup/restore operations.

 * System Support & Troubleshooting

o Diagnose and resolve issues related to IBMi hardware, OS, and system components.
o Analyze system logs, performance data, and job errors to identify root causes.
o Coordinate with hardware vendors for repair, replacement, and preventative maintenance.

 * Backup & Recovery

o Support and enhance backup, archival, and disaster recovery processes.
o Work with established tools (e.g., TSM, Cohesity) to improve data protection strategies.

 * On Call Support, POSITION SUMMARY The Senior Systems Administrator is responsible for the administration, implementation, and ongoing maintenance of the organization's server and network infrastr…
 + 14 days ago
+


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