NEW JOB OPENING
AS400 RPG DEVELOPER IBM I ADMINISTRATOR - LEGACY MODERNIZATION
IN OKLAHOMA CITY, OK, USA!

 

Date Posted: 09/11/2026
Hiring Organization: Rose International
Position Number: 507365
Industry: Government
Job Title: AS400 RPG Developer IBM i Administrator - Legacy Modernization
Job Location: Oklahoma City, OK, USA, 73105
Work Model: Hybrid
Work Model Details: Mostly remote, but need to go in office sometimes
Shift: M-F First Shift
Employment Type: Temporary
FT/PT: Part-Time
Estimated Duration (In months): 13
Min Hourly Rate($): 55.00
Max Hourly Rate($): 70.00
Must Have Skills/Attributes: AS400, CL, DB-2, FTP, RPG, SQL
Experience Desired: Hands-on experience in AS400 (IBM i, iSeries) application development and support (5+ yrs); Exceptional proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL on DB2 (5+ yrs); Prior experience working in a hosted/managed AS400 environment (5+ yrs); Experience in IBM i work management, subsystem coordination, application security, and user profile (5+ yrs); Strong background in file transfer automation (FTP, SFTP) (5+ yrs)
Required Minimum Education: High School Diploma or equivalent

**C2C is not available**

 

Job Description
Part-time - 20 hours per week

Required Education:
• High School Diploma

Qualifications Required:
• Minimum of five (5) years of hands-on experience in AS400 (IBM i, iSeries) application development and support
• Programming Skills: Exceptional proficiency in RPG IV (ILE RPG), RPGLE, CL, and SQL on DB2 for i
• Hosting Coordination: Prior experience working in a hosted/managed AS400 environment, collaborating with external hosting providers to resolve infrastructure or environmental issues
• Application Administration: Proven experience in IBM i work management, subsystem coordination, application security, and user profile management
• Data Integration: Strong background in file transfer automation (FTP, SFTP)

Position Overview:
• Seeking an experienced, high-caliber AS400 Developer/Admin
• Provide essential application maintenance, database management, and application-level administration services for OID’s core IBM AS/400 (IBM i Series) environment

Position Responsibilities:
• Legacy Application Maintenance & Support
• 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
• Application Administration & Infrastructure Liaison
• Serve as the primary technical point of contact to coordinate with the hosting provider for system maintenance, OS patching schedules, database utilities, and environmental adjustments
• Manage application-level security configurations, including user profiles, object-level authority, and verify system audit logs (QAUDJRN) to maintain system integrity
• Manage local job queues, active subsystems, and application-level job schedulers
• Coordinate with Ensono’s storage and backup operations teams to ensure application backup windows, disaster recovery testing, and restoration verifications are carried out successfully
• DB2 Database & Integration Management
• Query, manage, and tune DB2 for i databases, optimizing SQL queries and indexes to ensure database responsiveness
• Support secure, automated file transfers (SFTP/FTP) and interfaces between the hosted AS400 partition and downstream state, regional, or partner systems
• Modernization & Migration Enablement
• Cooperate with state database administrators and cloud architects to extract, clean, and archive legacy tables
• Document system flows, database schemas, and interdependencies to facilitate a seamless transition of legacy business logic to modern cloud systems

  • **Only those lawfully authorized to work in the designated country associated with the position will be considered.**

  • **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**

 

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

 

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About Rose

  • Founded in 1993
  • Office Locations Across the U.S.
  • 150+ Clients: Corporations and Government Agencies
  • Employee Oriented Company
  • Challenging Assignments Across the U.S.
  • Continuous Professional Development

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