AS400 Developer / Administrator

Location: Oklahoma City, OK (Hybrid Remote)
Duration: 1+ Year Contract (09/30/2026 - 09/29/2027)
Schedule: Part-Time, 20 Hours per Week
Compensation: $35-45/hour 
Interview Process: One 30-Minute Teams Interview

Tech Partners is currently recruiting for an experienced AS400 Developer / Administrator to support a long-term technology initiative with a State of Oklahoma agency. This role is ideal for a professional who combines hands-on IBM i development expertise with platform administration and production support experience.

This opportunity offers a hybrid work environment and the chance to support critical legacy applications while contributing to modernization efforts.

• →Develop, maintain, and support applications on the IBM i (AS400/iSeries) platform
• →Design, modify, and troubleshoot RPG IV (ILE RPG), RPGLE, CL, and SQL programs
• →Support DB2 for i databases, including querying, optimization, and performance tuning
• →Administer IBM i environments, including job queues, subsystems, and system monitoring
• →Manage user profiles, security settings, and object-level authorities
• →Troubleshoot production issues, batch jobs, and application support incidents
• →Maintain and automate file transfers utilizing SFTP and FTP processes
• →Coordinate with hosting and managed service providers as needed
• →Support backup, recovery, and disaster recovery activities
• →Assist with database extraction, cleanup, archival, and data maintenance efforts
• →Create and maintain technical documentation, application dependencies, and system workflows
• →Participate in application modernization and cloud migration initiatives

• 5+ years of AS400, IBM i, or iSeries development and support experience
• Strong experience with:
  • RPG IV (ILE RPG)
  • RPGLE
  • CL Programming
  • SQL
• Experience supporting and administering IBM i environments
• Strong DB2 for i database development and support skills
• Experience with SFTP/FTP integrations and automated file transfers
• Knowledge of IBM i security, user management, and object authorities
• Experience troubleshooting legacy applications and production environments
• Ability to work independently and communicate effectively with technical and business stakeholders

• Managed hosting or third-party AS400 infrastructure support
• Backup, disaster recovery, and restoration processes
• Legacy data extraction, conversion, and archival projects
• System documentation and dependency mapping
• Modernization initiatives involving cloud technologies and platform migration

• Long-term, stable State of Oklahoma contract
• Hybrid work environment
• Opportunity to support mission-critical systems while contributing to modernization efforts

Interested candidates may apply directly or contact Doug Halvè at Tech Partners for additional details about the opportunity.
Email: doug.halve@techpartnersllc.com