AS400 Developer/Admin

About the role

We are seeking an experienced AS400 Developer/Admin to support a critical IBM AS/400 (IBM i / iSeries) environment for the Oklahoma Insurance Department (OID). This role will focus on legacy application development, database management, application administration, and modernization support. Location: Oklahoma. Industry: State Government / Insurance.

Responsibilities

• Maintain, enhance, troubleshoot, and optimize legacy applications using RPG, RPG III, RPG IV/ILE RPG, RPGLE, and CL.
• Investigate application issues, batch failures, job anomalies, and user-reported problems.
• Manage application-level security, user profiles, object authority, and QAUDJRN audit logs.
• Coordinate with hosted/managed service providers on maintenance, OS patching, database utilities, and environmental issues.
• Manage IBM i job queues, subsystems, and application schedulers.
• Support backup, disaster recovery testing, and restoration activities.
• Query and tune DB2 for i, including SQL queries and indexes.
• Support FTP/SFTP file transfers and system integrations.
• Assist with legacy database extraction, cleanup, archiving, documentation, and migration to modern/cloud platforms.

Requirements

• 5+ years of hands-on AS400 / IBM i / iSeries development and support experience.
• Strong expertise in RPG IV/ILE RPG, RPGLE, CL, and SQL.
• Experience with DB2 for i.
• Experience supporting a hosted or managed AS400/IBM i environment.
• Knowledge of IBM i work management, subsystems, job queues, security, and user profiles.
• Experience with FTP/SFTP and automated file transfers.
• Strong troubleshooting, documentation, and communication skills.

Preferred Qualifications

• State government or insurance industry experience.
• Legacy application modernization or cloud migration experience.
• Disaster recovery, backup, and restoration support.
• Experience documenting legacy application flows, databases, and system dependencies.