Software Engineer
Infinite Computer Solutions · Campus, IL · 2 days ago
EngineeringFull-time
About the role
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.
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.
Requirements
- Minimum of 3 to 5 years of experience in iSeries Administration and support.
- IBMi (iSeries / AS400) System Administration with experience/exposure in H/W, S/W areas.
- Bachelor’s degree in Computer Science, Computer Engineering, or related field.
Skills
- IBMi (iSeries / AS400) Administration Skills.
- Knowledge of Automation/Monitoring Tools.
- Knowledge in ACS Client Installation and Setup.
- Knowledge in iSeries New System Builds and Decommission.
- Strong knowledge of iSeries PTF/APAR Management.
- Strong Knowledge of iSeries AS400 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.