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# AS400 Synon Application support Engineer

- **Company:** Stanley David and Associates
- **Location:** United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Db2400, IBM System I, Batch Processing, Software Bug Management, Cloud Computing, COBOL (Programming Language), Software Debugging, DevOps, File Transfer, IBM RPG (Programming Language), Job Scheduling, Mainframes, Performance Tuning, Software Maintenance, Software Deployment, SQL Databases, File Transfer Protocol (FTP), Legacy Systems, Servicenow
- **Published:** June 18, 2026
- **Apply:** https://www.dice.com/job-detail/f4839bf1-e342-4a6e-b74e-3b5d094bafc5

## About the Role

o COBOL, RPG (RPG III / RPG IV), CLLE
o DB2/400 (DB2400)
o SQL Programming
o SYNON / CA 2E
o Query/400

 * Deep knowledge of AS400 (IBM iSeries) architecture and environment
 * Experience in application maintenance and production support
 * Strong understanding of:
o Job scheduling, batch processing, job queues
o Spool files, debugging, system logs.

 * Experience with Change Management tools (preferred: ALDON)
 * Good knowledge of FTP processes and protocols for file transfer
 * Strong debugging and performance tuning capabilities in legacy systems
 * Preferred Skills
o Experience working in RxClaim / PBM (Pharmacy Benefit Management) domain.
o Familiarity with healthcare systems and claims processing
o Exposure to incident/problem management tools (ServiceNow, Remedy, etc.)
o Knowledge of modernization approaches (Mainframe/AS400 to Cloud) is a plus.

## Description

AS400 Synon with Production Support experience

 * Provide L2/L3 production support for AS400-based applications.
 * Perform incident analysis, root cause identification, and resolution.
 * Work on bug fixes, minor enhancements, and code deployments
 * Monitor batch jobs, interfaces, and system performance.
 * Support data corrections and production issue troubleshooting.
 * Collaborate with cross-functional teams (business, QA, DevOps)
 * Ensure adherence to change management and release processes.
 * Handle on-call support and critical production issues
 * Maintain documentation, knowledge base, and support runbooks.
 * Participate in continuous improvement and system stability initiatives


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