AS/400 IBM Developer

Client: State of Oklahoma - Government Agency Job Title: AS400 Developer/Admin (Contractor) Term: 1-year contract - 20 hours a week Pay Rate: $50/Hr - $60/Hr Location: Oklahoma City, OK (Hybrid options available) must be local Work Authorization: USC or GC ONLY no other Visa considered Scope: Looking for a PT AS400 Developer/Admin for a long-term contract engagement. This critical resource will provide essential application maintenance, database management, and application-level administration services for OID's core IBM AS/400 (IBM i Series) environment. Experience: 5 years of hands-on experience in AS400 (IBM i, iSeries) application development and support. Exceptional proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL on DB2 for i. Prior experience working in a hosted/managed AS400 environment, collaborating with external hosting providers (such as Ensono) to resolve infrastructure or environmental issuesProven experience in IBM i work management, subsystem coordination, application security, and user profile management. Strong background in file transfer automation (FTP, SFTP) and managing external integrations. Responsibilities: Maintain, modify, and optimize custom legacy application code written in RPG, RPG III, RPG IV (ILE RPG), RPGLE, and Control Language (CL). Investigate and troubleshoot operational bugs, batch run anomalies, and user reported system issues. Update existing logic to adapt to regulatory changes, licensing requirements, and agency business process updates. Serve as the primary technical point of contact to coordinate with the hosting provider for system maintenance, OS patching schedules, database utilities, and environmental adjustmentsManage application-level security configurations, including user profiles, object level authority, and verify system audit logs (QAUDJRN) to maintain system integrityManage local job queues, active subsystems, and application-level job schedulersCoordinate with Ensono's storage and backup operations teams to ensure application backup windows, disaster recovery testing, and restoration verifications are carried out successfully. Query, manage, and tune DB2 for i databases, optimizing SQL queries and indexes to ensure database responsivenessSupport secure, automated file transfers (SFTP/FTP) and interfaces between the hosted AS400 partition and downstream state, regional, or partner systemsCooperate with state database administrators and cloud architects to extract, clean, and archive legacy tablesDocument system flows, database schemas, and interdependencies to facilitate a seamless transition of legacy business logic to modern cloud systems.