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Mainframe Applications Development Sr Programmer Analyst

Citigroup

$107,120 - $160,680
Jul 31, 2025
New Castle, DE, USA
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Citi is looking to solve business and technical problems in financial services and account receivables and payments product processors, including developing, maintaining, and enhancing mainframe applications.

Requirements

  • Proficiency in COBOL
  • Expertise in JCL (Job Control Language)
  • Familiarity with REXX scripting language
  • Strong experience with IBM's DB2 relational database management system
  • In-depth knowledge of CICS (Customer Information Control System)
  • Understanding of VSAM file structures and access methods
  • Knowledge of sequential file processing techniques

Responsibilities

  • Develop, maintain, and enhance mainframe applications.
  • Analyze business requirements and design technical solutions.
  • Write and test COBOL, JCL, and other mainframe code.
  • Debug and resolve application issues.
  • Optimize application performance.
  • Create and maintain technical documentation.
  • Collaborate with other developers, business analysts, and stakeholders.

Other

  • Excellent written and verbal communication skills
  • Ability to work effectively in a team environment
  • Strong analytical and problem-solving skills
  • Ability to adapt to changing priorities and technologies
  • A willingness to learn new technologies and techniques