Capgemini is seeking an experienced Mainframe Developer to maintain and enhance the Fiserv PEP application, support production issues, and ensure reliable ACH payment processing. The role requires hands-on mainframe development using COBOL, JCL, DB2, CICS, and VSAM, along with knowledge of ACH transactions, settlement, returns, corrections, and NACHA file formats. The position is available in New York, Atlanta, Georgia, and Chicago, Illinois.
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