Mainframe Developer
Job in
Columbus, Franklin County, Ohio, 43224, USA
Listed on 2026-02-21
Listing for:
Jobs via Dice
Full Time
position Listed on 2026-02-21
Job specializations:
-
IT/Tech
Job Description & How to Apply Below
Dice is the leading career destination for tech experts at every stage of their careers. Our client, Spar Information Systems, is seeking the following. Apply via Dice today!
Role:Mainframe Developer/Tester
Location:
Columbus, OH (3 days office per week) Duration: 12+ Months Job description
Looking for a Mainframe Developer/Tester, this is primarily a development role with some testing experience.
Key Responsibilities- Design, develop, enhance, and maintain COBOL applications running on IBM Mainframe platforms.
- Develop and support online and batch applications using CICS, JCL, and VSAM.
- Create, modify, and optimize batch jobs using JCL, SORT, and utilities.
- Work with VSAM datasets and flat files, including file layouts, access methods, and performance tuning.
- Use SCLM for source control, versioning, and promotion across environments.
- Interact with schedulers (CA7) to design, troubleshoot, and optimize batch job flows.
- Support file processing and analysis using tools such as File Manager.
- Perform impact analysis, root cause analysis, and production support for mainframe applications.
- Collaborate with architects, business analysts, and upstream/downstream teams to deliver high‑quality solutions.
- Follow enterprise coding standards, documentation practices, and change management processes.
- Perform unit testing, system testing, and integration testing for mainframe applications.
- Develop and execute test cases for COBOL, CICS, and batch programs.
- Validate data integrity across files, VSAM datasets, and interfaces.
- Identify, analyze, and resolve defects; work closely with QA and business teams for issue resolution.
- Support production validation, regression testing, and post‑implementation verification.
- IBM Mainframe Environment
- COBOL (Strong, hands‑on)
- CICS (Online transaction processing)
- JCL (Batch job creation and support)
- VSAM (KSDS, ESDS, RRDS)
- Scheduler: CA7
- SCLM (Source Code Library Manager)
- SORT utilities
- File Manager
- MQ (Low to basic working knowledge)
- REXX (Nice to have)
8+ years of experience in mainframe application development and support
Strong experience working in large‑scale enterprise systems
Proven ability to work independently on complex modules and production issues
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