Senior Mainframe Developer

Job Title: Senior Mainframe Developer

Location: New York/ New Jersey- 4 days onsite

Employment Type: FTE
Salary: $120k/year + Benefits

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

Soft Skills

• Strong analytical and critical thinking skills
• Excellent communication and documentation abilities
• Ability to work in a fast-paced, production-critical environment
• Proactive mindset with attention to detail

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.