• Senior Mainframe IMS Systems Programmer

    Travelers Insurance Company (Denver, CO)
    …Openings** 1 **What Is the Opportunity?** Travelers is seeking a Senior IMS Systems Programmer to join our organization as we grow and transform our Technology ... MQ is also helpful. Similar system programming experience with CICS , z/OS Connect, TPX, CA GEN, and EOS are...and/or participates in the design and development of database systems . Strong ability to multi-task in an environment of… more
    Travelers Insurance Company (12/05/25)
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  • IT Mainframe Developer - Contract Role (AN)

    Nelnet (Breckenridge, CO)
    …Numbers from 6 to 9 digits. This role involves modifying legacy COBOL applications, CICS screens, DB2 schemas, and batch jobs to accommodate the expanded field size, ... ensuring seamless integration across systems and minimal disruption to operations. **JOB RESPONSIBILITIES:** + Analyze COBOL programs, CICS transactions, DB2… more
    Nelnet (12/04/25)
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  • zOS Print Systems Programmer

    Unum Group (Denver, CO)
    …next. Join us. **General Summary:** UNUM is seeking an innovative z/OS Systems Programmer to support and modernize its mainframe environment, focusing on resiliency, ... tuning, troubleshooting, and providing technical guidance to team members. **The z/OS Systems Programmer will:** + Bachelors degree in computer science, information … more
    Unum Group (12/31/25)
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  • PAS Systems - IBM MF Specialist

    AIG (Salida, CO)
    …designing, coding, testing, and maintaining programs and software applications on mainframe systems . They enhance existing software systems and participate in ... Description IBM MF Specialist is a senior role of PAS (Policy Admin Systems ) team in Solution Delivery department. This role requires comprehensive technical skills… more
    AIG (12/15/25)
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  • IT Quality Assurance Analyst - Contract Role (AN)

    Nelnet (Highlands Ranch, CO)
    …in software quality assurance or testing roles. + Strong understanding of mainframe systems and testing methodologies. + Experience with:COBOL, CICS , DB2, JCL, ... in validating the integrity, performance, and security of modified legacy systems , ensuring that all changes meet acceptance criteria and regulatory standards.… more
    Nelnet (12/03/25)
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  • Mainframe Modernization Solution Architect

    Rocket Software (Denver, CO)
    …non-x86 legacy systems and with technologies such as COBOL, JCL, CICS , DB2 for z/OS, IMS DB/DC, Assembler, PL/I, REXX, flat/sequential files, GDGs, and ... faster Job Description **Key Responsibilities:** + Helping Customers and Systems Integrators to design scalable, high availability application solutions built… more
    Rocket Software (11/27/25)
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