• IT Mainframe Developer - Contract Role (AN)

    Nelnet (Breckenridge, CO)
    …Insurance (UI) Account Numbers from 6 to 9 digits. This role involves modifying legacy COBOL applications, CICS screens, DB2 schemas, and batch jobs to ... and minimal disruption to operations. **JOB RESPONSIBILITIES:** + Analyze COBOL programs, CICS transactions, DB2 ...experience in mainframe development. + Proficiency in: COBOL (batch and online) CICS (transaction processing… more
    Nelnet (12/04/25)
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  • Mainframe Modernization Solution Architect

    Rocket Software (Denver, CO)
    …technical experience with mainframe , non-x86 legacy systems and with technologies such as COBOL , JCL, CICS , DB2 for z/OS, IMS DB/DC, Assembler, PL/I, ... **Job Description Summary:** We are looking for a highly skilled Mainframe Modernization Solutions Architect to analyze, design, architect, and implement solutions… more
    Rocket Software (11/27/25)
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  • IT Quality Assurance Analyst - Contract Role (AN)

    Nelnet (Highlands Ranch, CO)
    …+ Strong understanding of mainframe systems and testing methodologies. + Experience with: COBOL , CICS , DB2 , JCL, 3270 emulator tools (eg, OpenText ... with developers and business analysts to design and execute test plans for COBOL , CICS , DB2 , and batch components. . Perform unit, integration, regression,… more
    Nelnet (12/03/25)
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