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# Senior IBM i (AS/400 / iSeries) Systems Engineer job in Phoenix

- **Company:** Delan Associates, Inc
- **Location:** Phoenix, AZ, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Db2400, Os/400 Operating System, IBM System I, Systems Engineering, Computer Programming, Databases, Disaster Recovery, File Systems, Internet Protocol, Job Scheduling, Performance Tuning, Information Technology Security Auditing, Software Engineering, Subsystems, Virtualization Technology, File Transfer Protocol (FTP), System Availability, Information Technology
- **Published:** October 17, 2026
- **Apply:** https://jobs.diversity.com/career/2531177/senior-ibm-i-as-400-iseries-systems-engineer-arizona-az-phoenix

## About the Role

&bull 5+ years of experience supporting IBM i / AS/400 environments.
&bull Strong experience with:

oIBM i (i5/OS, OS/400)

oPower Systems

oCL Programming (CLP)

oControl Language Commands

oSystem Administration
&bull Experience with:

oPTF Management

oSystem Save/Restore Procedures

oBackup and Recovery

oBRMS (Backup, Recovery and Media Services)

oJob Scheduling

oPerformance Monitoring
&bull Strong knowledge of:

oLibraries, oDb2 for i

oIntegrated File System (IFS)

oTCP/IP Networking

oFTP/SFTP

oSSL/TLS Security
&bull Familiarity with virtualization technologies:

oPowerVM

oVIOS

oLogical Partitions (LPARs)

Performance & Infrastructure Experience
&bull System performance tuning
&bull Storage optimization
&bull Job scheduling and workload management
&bull Capacity planning
&bull High availability configuration
&bull Disaster recovery testing
&bull Security auditing and compliance
&bull Hardware and operating system upgrades

Preferred Software Experience
&bull IBM i 7.3, 7.4, 7.5, or later
&bull Db2 for i
&bull BRMS
&bull PowerHA
&bull MIMIX
&bull Robot Scheduler
&bull Robot Console
&bull IBM Navigator for i
&bull PowerVM
&bull VIOS

Education
&bull Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience.

Desired Soft Skills
&bull Strong analytical and troubleshooting skills.
&bull Excellent communication and documentation abilities.
&bull Ability to work independently and collaborate across infrastructure, application, database, network, and security teams.
&bull Experience supporting banking, manufacturing, insurance, retail, logistics, or healthcare organizations is highly desirable.

## Description

&bull Install, configure, administer, and maintain IBM i (AS/400) systems.
&bull Perform IBM i operating system upgrades, PTF management, and system maintenance.
&bull Monitor and optimize system performance, storage utilization, and capacity.
&bull Configure and manage user profiles, security policies, and access controls.
&bull Support backup, recovery, business continuity, and disaster recovery initiatives.
&bull Manage job queues, subsystems, output queues, and workload performance.
&bull Troubleshoot operating system, hardware, and application-related issues.
&bull Support application development and deployment teams.
&bull Implement automation and operational best practices.
&bull Maintain technical documentation, standards, and procedures.
&bull Participate in production support and on-call rotations.