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Posted 07 August, 2026

Custody Accounting Business Analyst - Mainframe Modernization

Beta-Search, Inc
Chicago, IL, US Full Time

Job Description

Overview The company is seeking an experienced Custody Accounting Business Analyst to support a strategic transformation initiative involving the modernization of a legacy custody accounting platform. This role is designed for a senior Business Analyst who understands how custody accounting platforms operate within IBM mainframe environments and can bridge the gap between business operations and technology teams. The consultant will document current state processes, define future state capabilities, support modernization planning, and help ensure the successful migration toward Finbourne.