Senior Mainframe Developer

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Project Overview:

We are seeking a highly qualified Senior Platform Developer with deep expertise in Mainframe technologies to support the enhancement, maintenance, and modernization of enterprise-level systems. This role is critical in ensuring the stability, performance, and evolution of legacy applications that underpin essential business operations.

The ideal candidate will possess significant experience in COBOL programming, IMS DB/DC, JCL scripting, EZTrieve reporting, and Micro Focus toolsets, and demonstrate a strong understanding of mainframe-based architectures. This position involves close collaboration with multidisciplinary teams, including application architects, infrastructure specialists, and business stakeholders, to deliver high-quality solutions in complex, regulated environments.

Key Responsibilities:

Mainframe Application Development and Maintenance

• Design, develop, enhance, and maintain mainframe applications utilizing COBOL, IMS DB/DC, and EZTrieve.
• Write, manage, and troubleshoot JCL scripts for batch processing and production job execution.
• Perform code analysis, debugging, and remediation to ensure operational stability and system integrity.

System Modernization and Integration

• Support the re-platforming and re-hosting of legacy applications using Micro Focus Enterprise Developer and Server environments.
• Assist in code migration, system integration, and testing for mainframe-to-open-system transformation initiatives.

Performance Engineering and Optimization

• Conduct root cause analysis and performance tuning of legacy systems, jobs, and databases.
• Optimize IMS databases and application throughput to meet SLAs and business performance benchmarks.

Technical Documentation and Governance

• Produce and maintain comprehensive technical documentation, including system design specifications, program logic, batch workflows, and operational guides.
• Ensure compliance with organizational standards, security protocols, and quality assurance frameworks.

Cross-Functional Collaboration and Leadership

• Collaborate with QA analysts, business analysts, and project managers to define and deliver application functionality aligned with business needs.
• Provide technical mentorship to junior developers and conduct peer reviews to ensure adherence to best practices.

Required Qualifications:

• Minimum of 10 years of hands-on experience in mainframe application development and support.
• COBOL (batch and online)
• IMS DB/DC (hierarchical database and transaction control)
• MFS (message format services
• JCL (Job Control Language) – advanced batch scripting
• EZTrieve – data extraction, ad-hoc reporting, and formatting
• Demonstrated experience with VSAM, GDG, sequential datasets, and mainframe utility tools.
• Familiarity with version control/change management tools (e.g., Endevor, Changeman, ISPW).
• Experience with version control tools.
• Experience with system performance benchmarking or load testing of mainframe jobs.
• Proficiency in debugging tools such as Xpediter, File-AID, or equivalent.

Preferred Qualifications:

• Exposure to CICS, DB2, or REXX scripting.
• Experience in large-scale system migration, modernization, or re-hosting projects.
• Understanding of middleware technologies (e.g., MQSeries) and API integration with distributed systems.
• Knowledge of Agile methodologies, Dev Ops practices for legacy environments, and SDLC best practices.
• Bachelor’s degree in computer science, Information Systems, Engineering, or a closely related discipline.
• Industry certifications in mainframe development or Micro Focus technologies are highly desirable.

• Seniority level
  
  Mid-Senior level

• Employment type
  
  Contract

• Job function
  
  Information Technology
• Industries
  
  IT Services and IT Consulting

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