Senior Mainframe Dev - Lead & Architect Cobol/DB2 Apps

Citibank (Switzerland) AG

Jacksonville (FL)

Hybrid

Confidential

Full time

4 days ago

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Job summary

Citi in Jacksonville, FL seeks a Senior Mainframe Developer to establish and implement new or revised application systems in coordination with the Technology team. The role leads applications analysis and programming activities to meet business goals and maintain architectural integrity.

Responsibilities include partnering with management to define system enhancements, resolving high‑impact problems, guiding mid‑level developers, and ensuring compliance with laws and Citi policies.

Qualifications

5+ years in IBM mainframe development.
Need experience with developing batch and online programs in Cobol.
Experience with IBM utilities and other mainframe tools and data structures such as Fileaid, Rexx, JCL, CICS, Changeman, Github, Expediter, TSO/ISPF, VSAM, DB2.
2+ years experience using AI tools such as Devin AI and CoPilot.
Extensive experience system analysis and in programming of software applications.
Experience in managing and implementing successful projects.
Subject Matter Expert (SME) in at least one area of Applications Development.
Ability to adjust priorities quickly as circumstances dictate.
Demonstrated leadership and project management skills.
Consistently demonstrates clear and concise written and verbal communication.

Responsibilities

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm’s reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency