Senior Mainframe Developer
Intercontinental Exchange · Jacksonville, FL, US
About this role
## Overview The MSP development community is the heart of MSP Mortgage Technology. This role enhances, maintains, and supports internal and client-facing MSP functionality through efficiencies and process improvements. As a **Senior Mainframe Developer**, you’ll design, develop, and support **mainframe-based mortgage servicing solutions**, lead technically on appropriately scoped projects, deliver quality **COBOL/CICS** solutions aligned to business requirements and architectural standards, and help grow the broader engineering team. --- ## Responsibilities - Interpret, write new, and/or modify existing **COBOL Batch** and **CICS** programs in a timely and efficient manner per business requirements and documented standards - Use in-house source-code and development tools, including **development, testing, and implementation** processes - Collaborate effectively with peers, teams, and departments - Research, analyze, strategize, problem-solve, and implement coding solutions within expected timelines - Serve as **technical lead, architect, or principal developer** on projects of appropriate scope and complexity - Provide and guide **production support** for in-production applications, including participation in the **secondary on-call rotation** - Mentor and guide less experienced developers to support team growth and knowledge transfer - Participate in a secondary on-call schedule to support production operations outside business hours - Perform other related duties as assigned --- ## Knowledge & Experience - **Bachelor’s degree** in Computer Science, Information Systems, or equivalent combination of education/training/work experience - **8+ years** of **z/OS mainframe** application development technologies, including: - **Batch/CICS COBOL**, **JCL**, **IDz**, **ISPW**, **REXX**, **TSO** - **Java/Java plug-ins**, **Assembler**, **C*** are a plus - Strong analytical, decision-making, and problem-solving skills (reliable, scalable, efficient solutions) - Demonstrated leadership skills (influence others to achieve positive organizational/client outcomes) - Ability to communicate with both technical and non-technical audiences - Knowledge/experience with **AI-assisted development tools** (e.g., **Claude Code**) is a strong plus - Results-oriented and business-focused; able to interface across multiple organizational units - Self-motivated and able to work independently with minimal guidance - Ability to identify opportunities to improve tools/processes and minimize production risk - Performs well under pressure and time constraints - Adaptable and approachable; able to give/take direction; continual learner - Mortgage/MSP knowledge and understanding of **FM** is a plus - Familiarity with **FM/MSP production job flows and processes** is a plus --- ## Technologies - **COBOL for z/OS**, **CICS**, **IDz** - (C*, Assembler, JCL, REXX a plus) - **VSAM/DB2** file structures - **ISPW** source code / release management - **TSO/ISPF** mainframe interfaces - Utilities: **IDCAMS, FILEAID, XPEDITER, QUIKJOB, LIBRARIAN, RDZ (Rational Suite)** - **MS Office** (Word, Excel, PowerPoint, Visio) --- ## Equal Opportunity Employer Intercontinental Exchange, Inc. is an **Equal Opportunity Employer**. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.
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