AS/400 RPG Dev & IBM i Admin — Hybrid (20h/wk)

Asterism IT Solutions; Oklahoma City (OK); Hybrid; USD 83,000 - 138,000; Part time

Job summary

Asterism IT Solutions is seeking an experienced AS400 Developer / Administrator to support a critical IBM i environment. This contract role is 20 hours per week with a hybrid schedule in Oklahoma City, OK, offering extension potential.

The ideal candidate has hands-on legacy app development, administration, and DB2 for i expertise. The role focuses on application-level development, database support, and coordination with the external hosting provider, with responsibility for maintenance,

Qualifications

• 5+ years hands-on AS400 / IBM i / iSeries experience.
• 5+ years IBM i application development and production support.
• Proficiency in RPG, RPG III, RPG IV, ILE RPG/RPGLE, CL/CLLE, SQL, and DB2 for i.

Responsibilities

• Maintain, modify, enhance, and troubleshoot legacy applications.
• Provide production-level application maintenance and support.
• Troubleshoot defects, batch processing issues, and operational problems.
• Modify application logic to support business and regulatory changes.
• Manage IBM i application-level administration and work management.
• Manage job queues, subsystems, and application job scheduling.
• Manage IBM i user profiles, application security, and object-level authorities.
• Review system audit information including QAUDJRN.
• Coordinate with external hosting/service providers on environmental and infrastructure-related issues.
• Support application backup, disaster recovery, and restoration activities.
• Query, manage, and optimize DB2 for i databases.
• Develop and optimize SQL queries and database indexes.
• Troubleshoot database performance and application data-access issues.
• Support FTP/SFTP and automated file-transfer processes.
• Maintain integrations between IBM i and external/downstream systems.
• Extract, cleanse, archive, and prepare legacy data for migration.
• Document application flows, database schemas, dependencies, business logic, and system relationships.
• Collaborate with DBAs and cloud/modernization teams on legacy-to-cloud migration initiatives

Skills

AS400 / IBM i expertise

RPG / RPG III / RPG IV / RPGLE

CL / CLLE

SQL / DB2 for i

Production support / troubleshooting

Tools

Rational Developer for i (RDi)

Job description

Asterism IT Solutions is seeking an experienced AS400 Developer / Administrator to support a critical IBM i environment. This contract role is 20 hours per week with a hybrid schedule in Oklahoma City, OK, offering extension potential.

The ideal candidate has hands-on legacy app development, administration, and DB2 for i expertise. The role focuses on application-level development, database support, and coordination with the external hosting provider, with responsibility for maintenance,