Iseries AS/400 Engineer 

To look for 10+ years of experience 

 

Purpose:

To ensure the stability, performance, and scalability of IBM iSeries (AS/400) systems through proactive system administration and modernization efforts. This role supports enterprise operations and contributes to strategic initiatives such as cloud migration and infrastructure optimization.

 

Key Responsibilities:

System Administration & Maintenance Manage day-to-day operations of IBM iSeries environments, including job scheduling, system backups, spool file management, and performance tuning. Perform OS upgrades, patching, and configuration changes with minimal disruption to business processes. Infrastructure Modernization Collaborate with infrastructure and application teams to support the transition of legacy workloads to cloud or hybrid environments. Participate in planning and execution of cloud migration strategies, ensuring compatibility and continuity of iSeries-hosted applications. Performance Monitoring & Optimization Monitor system health and resource utilization, identifying opportunities for efficiency improvements. Conduct capacity planning and assist with hardware refresh cycles. Documentation & Change Management Maintain accurate documentation of system configurations, procedures, and change logs. Follow established change control processes to ensure traceability and compliance with IT standards. Collaboration & Support Work closely with cross-functional teams to support business applications running on iSeries. Provide technical guidance and support to internal stakeholders without being part of an on-call rotation.  

Your Skills & Experience:

Education & Certification Bachelor’s degree in Computer Science, Information Systems, or related field. IBM Certified System Administrator – IBM i (preferred). Technical Expertise Strong experience with IBM iSeries OS/400, including job control, system utilities, and performance tuning. Familiarity with DB2/SQL on IBM i and RPG (ILE RPG, RPG Free Format, CLLE, SQL RPGLE). Understanding of cloud migration principles and hybrid infrastructure models. Soft Skills Excellent problem-solving and analytical abilities. Strong communication skills for documenting procedures and collaborating across teams.