AS400 Developer/Admin

We are seeking an experienced AS400 Developer/Admin for a long-term contract opportunity supporting a core IBM AS/400 (IBM i/iSeries) environment. This position will be responsible for legacy application development and maintenance, database management, application administration, troubleshooting, system integrations, and modernization initiatives. The ideal candidate will have strong hands-on experience with RPGLE/RPG IV, CL/CLLE, SQL, DB2 for i, and FTP/SFTP, along with experience in IBM i system administration and work management.

• Maintain, modify, troubleshoot, and optimize legacy applications developed in RPG, RPG III, RPG IV/ILE RPG, RPGLE, and CL.
• Investigate application issues, operational bugs, batch-processing problems, and user-reported system issues.
• Modify existing application logic to support regulatory requirements, licensing changes, and business-process updates.
• Coordinate with external hosting providers regarding system maintenance, OS patching, database utilities, and environmental changes.
• Manage application-level security, including user profiles and object-level authority.
• Review system audit information, including QAUDJRN, to help maintain system integrity.
• Manage job queues, active subsystems, and application-level job scheduling.
• Coordinate with storage and backup teams regarding application backup windows, disaster recovery testing, and restoration verification.
• Query, manage, and optimize DB2 for i databases.
• Tune SQL queries and indexes to improve database performance.
• Support automated and secure FTP/SFTP file transfers.
• Maintain interfaces between the AS400 environment and state, regional, or partner systems.
• Work with database administrators and cloud architects to extract, clean, and archive legacy data.
• Document application flows, database structures, system dependencies, and integrations.
• Assist with transitioning legacy business processes and applications to modern, cloud-based environments.

Schedule: Hybrid, approximately 20 hours per week