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Senior Mainframe Developer - Ensono
Software Engineer
Senior Mainframe Developer leading complex z/OS application development and maintenance using COBOL, JCL, CICS, and DB2, driving performance, reliability, and modernization initiatives in a high‑availability environment.
About the role
Key Responsibilities
- Design, develop, and maintain large‑scale mainframe applications in COBOL, leveraging JCL, CICS, and DB2 to meet business requirements.
- Analyze and optimize existing code for performance, scalability, and reliability, ensuring adherence to best practices and coding standards.
- Collaborate with cross‑functional teams to integrate mainframe services with modern platforms, including cloud and API gateways.
- Lead code reviews, mentor junior developers, and provide technical guidance on mainframe architecture and tooling.
- Participate in incident management, root cause analysis, and continuous improvement initiatives to enhance system uptime.
Requirements
- 10+ years of mainframe development experience, with deep expertise in COBOL, JCL, CICS, and DB2.
- Strong understanding of z/OS operating system, batch processing, and transaction processing concepts.
- Experience with modern DevOps practices on mainframe, including version control, automated testing, and CI/CD pipelines.
- Excellent problem‑solving skills, ability to work independently and in a team, and strong communication abilities.
- Knowledge of cloud integration (AWS, Azure) and modern application architecture is a plus.