Senior Mainframe Developer

• 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.
 

Proven expertise in:

• COBOL (batch and online)
• IMS DB/DC (hierarchical database and transaction control)
• MFS (message format services
• Panvalet (mainframe source code repository)
• TSO/ISPF (source code editing)
• JCL (Job Control Language) – advanced batch scripting
• TSO/ISPF (source code editing)
• EZTrieve – data extraction, ad-hoc reporting, and formatting
• Micro Focus Enterprise Developer/Server
• 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, DevOps 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