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# Mainframe Developer - HA / Systematics

- **Company:** SPEAR STAFFING LLC
- **Location:** United States
- **Contract:** Contract
- **Skills:** Adaptable Database Systems, Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Job Control Language (JCL), Mainframes, Scrum Methodology, Software Maintenance, Virtual Storage Access Methods, Z/OS, Restful APIs
- **Published:** October 28, 2026
- **Apply:** https://www.dice.com/job-detail/4ebde2e5-fde6-41cd-b69e-f05ea3bc2d3c

## About the Role

We are seeking experienced Mainframe Developers with strong expertise in COBOL, CICS, JCL, DB2, and z/OS. Candidates should have experience in FIS Systematics (RM/GN) and production support. Experience with Assembler, VSAM, Adabas/Natural, Software AG, and Connex is highly preferred., * COBOL

 * CICS
 * JCL
 * DB2
 * z/OS Mainframe
 * Production Support / Troubleshooting
 * FIS Systematics / RM / GN

Preferred

 * Assembler / VSAM
 * Adabas / Natural / Software AG
 * Connex
 * SMP/E
 * REST APIs
 * Agile/Scrum
 * Core Banking / Financial Services experience

## Description

* Develop, enhance, test, and troubleshoot COBOL/CICS mainframe applications.
 * Support batch and online production environments and provide Tier III troubleshooting.
 * Work with JCL, DB2, VSAM, CICS, and Assembler.
 * Analyze and troubleshoot Systematics RM/GN, including SDR, TBR, ICR, and TCR components.
 * Perform root-cause analysis, application maintenance, testing, and implementation.
 * Support Agile/Scrum activities and production releases.
 * Work with basic REST API integrations.