First seen by Alion on Nov 8, 2026. Infinite Computer Solutions scores B on the Alion truth index.
Job Description:
We are seeking a Software Engineer with hands-on experience in AS400/IBMi administration and production support. The role involves maintaining platform availability, administering IBMi operating system services, supporting upgrades and backups, monitoring system performance, resolving incidents, and executing operational changes in a controlled manner. The ideal candidate combines sound IBMi administration skills with strong troubleshooting ability, operational discipline, automation awareness, and effective collaboration with application, infrastructure, and service-management teams.
Work Experience:
Minimum of 3 to 5 years of experience in iSeries administration and support.
Technical Requirement:
- IBMi (iSeries/AS400) system administration with experience/exposure in hardware and software areas.
- IBMi (iSeries/AS400) administration skills.
Key Responsibilities:
- Perform day-to-day IBM i system administration, monitoring, and operational health checks for production and non-production environments.
- Handle user profiles, authorities, object ownership, group profiles, access controls, and OS400 security administration in line with organizational policies.
- Monitor subsystems, jobs, messages, output queues, storage, system status, and critical services; investigate and resolve operational issues.
- Perform job control, job monitoring, and scheduling using native IBM i scheduling facilities or enterprise tools such as Robot, IBM Advanced Job Scheduler, Control-M, or Halcyon.
- Execute backup and recovery activities using BRMS, native tape backups, and virtual tape solutions; validate completion and escalate exceptions promptly.
- Support IBM i OS upgrades, PTFs, cumulative updates, APAR analysis, and application software maintenance using approved change procedures.
- Assist with Power System, HMC, and VIOS operational tasks, including health checks, configuration reviews, and issue coordination.
- Perform system-performance troubleshooting with tools such as IBM iDoctor or Performance Manager and recommend practical remediation.
- Support data replication and high-availability operations, including monitoring and initial troubleshooting of solutions such as MIMIX or iCluster.
- Participate in system builds, migrations, environment refreshes, and decommissioning activities under senior technical guidance.
- Maintain operational documents, runbooks, incident records, and change-related evidence for audit and knowledge sharing.
- Participate in on-call, weekend, or planned maintenance activities as required by business and service commitments.
Qualification & Skills:
- Bachelor's degree in computer science, computer engineering, or a related field.
- Knowledge of automation/monitoring tools.
- Knowledge of ACS client installation and setup.
- Knowledge of iSeries new system builds and decommissioning.
- Strong knowledge of iSeries PTF/APAR management.
- Strong knowledge of iSeries OS400 security management.
- Expertise in high availability - MIMIX, iCluster.
- Strong problem-solving skills and ability to work in a fast-paced environment.
- Excellent written and verbal communication skills.
Skills
AS400, Administration, IBM I, Production Support, iSeries

