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Oklahoma Licensed AS400 Developer

Location: Remote
Compensation: To Be Discussed
Reviewed: Fri, Sep 11, 2026
This job expires in: 30 days

Job Summary

To support critical public-sector initiatives, the part-time Oklahoma Licensed AS400 Developer will maintain and optimize legacy applications, administer databases, and collaborate with managed hosting partners in a hybrid-remote environment.

Key Responsibilities
  • Maintain, modify, and optimize custom applications written in RPG and Control Language while troubleshooting operational issues
  • Serve as the primary technical contact for managed hosting providers, administering application-level security and managing job schedules
  • Query and tune DB2 databases, optimizing SQL queries and ensuring secure data transfers between systems
Required Qualifications
  • Minimum of five years of hands-on experience in AS400 / IBM i / iSeries application development and support
  • Advanced proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL for DB2 on i
  • Demonstrated ability to manage and optimize DB2 for i relational databases
  • Proven experience in coordinating with third-party managed AS400 environments
  • Practical knowledge of IBM i administration, including user profile permissions and application-level security management

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