Sr MACSS Mainframe Developer
Job Location:
Nashville, IN - USA
Monthly Salary:
Posted on:
Vacancies:
Job Summary
Role name: Sr MACSS / Mainframe Developer
Work site: Columbus OH or Nashville TN (both locations would be for onsite work) US (ONSITE)
The Senior Mainframe Developer will support a critical legacy platform (MACSS) within a large-scale modernization initiative. This role is key to stabilizing and enhancing the core mainframe applications while enabling integration with modern API and event-driven platforms.
You will play a pivotal role in supporting production systems delivering enhancements and ensuring seamless integration with z/OS Connect-based services as part of a broader digital transformation program.
Key Responsibilities:
Own and support a core mainframe application (MACSS) across production enhancements and project initiatives
Develop and maintain applications using COBOL JCL DB2 and CICS
Troubleshoot and resolve production issues across batch and online systems
Collaborate with API and platform teams to enable integration via z/OS Connect services
Support data flows and service exposure to downstream platforms (APIM Kafka etc.)
Participate in system design discussions to support modernization and integration efforts
Ensure performance reliability and scalability of legacy systems
