Senior Mainframe Developer

Job Title: Senior Mainframe Developer

Location: New York City, NY/ Jersey City, NJ – 4 Days onsite role

Experience: 10-12 years of experience only

Role Overview: 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

Required Skills & Qualifications

• 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

Nice-to-Have Skills

• Basic understanding of system integration concepts (APIs, middleware, web services)

• Exposure to mainframe modernization initiatives

• Familiarity with distributed systems or cloud integration

• Knowledge of DevOps practices for mainframe environments