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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IBM i (AS/400 / iSeries) Systems Engineer - **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, Databases, Disaster Recovery, File Systems, Job Scheduling, Performance Tuning, Information Technology Security Auditing, Software Engineering, Subsystems, Transmission Control Protocol (TCP), Virtualization Technology, File Transfer Protocol (FTP), System Availability, Control Language, Information Technology, Performance Monitor - **Published:** July 18, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=58caaa3de495f348 ## About the Role * 5+ years of experience supporting IBM i / AS/400 environments. * Strong experience with: o IBM i (i5/OS, OS/400) o Power Systems o CL Programming (CLP) o Control Language Commands o System Administration * Experience with: o PTF Management o System Save/Restore Procedures o Backup and Recovery o BRMS (Backup, Recovery and Media Services) o Job Scheduling o Performance Monitoring * Strong knowledge of: o Libraries o Objects o Subsystems, * Experience with: o IBM Power10, Power9, or Power8 systems o PowerHA o MIMIX o Quick-EDD o Robot Scheduler o Robot Console o IBM Navigator for i * Experience administering: o Db2 for i o Integrated File System (IFS) o TCP/IP Networking o FTP/SFTP o SSL/TLS Security * Familiarity with virtualization technologies: o PowerVM o VIOS o Logical Partitions (LPARs) Performance & Infrastructure Experience * System performance tuning * Storage optimization * Job scheduling and workload management * Capacity planning * High availability configuration * Disaster recovery testing * Security auditing and compliance * Hardware and operating system upgrades Preferred Software Experience * IBM i 7.3, 7.4, 7.5, or later * Db2 for i * BRMS * PowerHA * MIMIX * Robot Scheduler * Robot Console * IBM Navigator for i * PowerVM, * Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent experience. Desired Soft Skills * Strong analytical and troubleshooting skills. * Excellent communication and documentation abilities. * Ability to work independently and collaborate across infrastructure, application, database, network, and security teams. * Experience supporting banking, manufacturing, insurance, retail, logistics, or healthcare organizations is highly desirable. ## Description * Install, configure, administer, and maintain IBM i (AS/400) systems. * Perform IBM i operating system upgrades, PTF management, and system maintenance. * Monitor and optimize system performance, storage utilization, and capacity. * Configure and manage user profiles, security policies, and access controls. * Support backup, recovery, business continuity, and disaster recovery initiatives. * Manage job queues, subsystems, output queues, and workload performance. * Troubleshoot operating system, hardware, and application-related issues. * Support application development and deployment teams. * Implement automation and operational best practices. * Maintain technical documentation, standards, and procedures. * Participate in production support and on-call rotations. ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)