Senior Mainframe Developer
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-07-30
Listing for:
Compunnel, Inc.
Full Time
position Listed on 2026-07-30
Job specializations:
-
Software Development
Software Engineer, Backend Developer, Computer Software / Middleware
Job Description & How to Apply Below
Senior Mainframe Developer
We are seeking a Senior Mainframe Developer with strong expertise in COBOL, JCL, and Control-M/CCS (or similar scheduling systems) to support critical enterprise applications. The role involves code screening, analysis/scraping, enhancement, and development on legacy mainframe systems, along with participation in modernization and integration efforts. This individual will play a key role in maintaining high-performance, stable mainframe applications while contributing to system improvements and integration initiatives.
Key Responsibilities- Perform code screening, analysis, and scraping of existing mainframe applications to identify dependencies, inefficiencies, and improvement opportunities
- Design, develop, test, and maintain COBOL-based applications
- Develop and manage JCL jobs, including batch processing and scheduling workflows
- Work with CCS / Control-M / enterprise scheduling systems for job automation and monitoring
- Analyze legacy code and contribute to modernization strategies
- Collaborate with cross-functional teams to support integration with distributed systems or APIs
- Troubleshoot production issues, identify root causes, and implement fixes
- Ensure adherence to coding standards, performance guidelines, and security practices
- Document technical specifications, code changes, and system workflows
- Support QA/UAT cycles and deployment activities
- 8+ years of experience in Mainframe development
- Strong hands-on experience with: COBOL
- JCL (Job Control Language)
- Mainframe utilities (VSAM, DB2, CICS – as applicable)
- Experience with CCS / Control-M / similar job scheduling tools
- Experience with DB2
- CICS transaction processing
- Proven experience in code analysis, reverse engineering, and refactoring legacy systems
- Strong debugging and problem-solving skills
- Familiarity with batch processing and high-volume transaction systems
- Ability to work independently and in a team-oriented environment
- Basic understanding of system integration concepts (APIs, middleware, web services)
- Exposure to mainframe modernization initiatives
- Familiarity with distributed systems or cloud integration
- Knowledge of Dev Ops practices for mainframe environments
Position Requirements
10+ Years
work experience
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