• Mainframe Security Engineer

    Ensono (Columbus, OH)
    …Summary:** **This is a Mainframe Security Administration position, working on IBM z / OS operating systems . Experience using TSO, JCL, ISPF, JES2, and ... Mainframe Security EngineerRemote - United StatesJR011549 **About the...IAM, MFA and PAM is desired. **General Knowledge:** + z / OS experience is highly desired + PC… more
    Ensono (09/20/25)
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  • Mainframe Network Engineer

    Travelers Insurance Company (Columbus, OH)
    …AT-TLS, certificate renewals, encryption key management and activation, as well as other z / OS supporting tools. + Evaluates systems specifications regarding ... aspects of the evaluation, configuration, security, implementation, and support of the z / OS operating system, RACF, disk/tape storage and subsystems, and… more
    Travelers Insurance Company (08/01/25)
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  • Senior COBOL Developer

    Koniag Government Services (Wright Patterson AFB, OH)
    …HTML-5 capable browsers** + **Strong understanding of mainframe architecture and operating systems ( z / OS , MVS)** + **Experience with batch processing and ... This role is critical in maintaining and enhancing legacy systems while supporting modernization initiatives within production and potential development/testing… more
    Koniag Government Services (09/26/25)
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  • COBOL Developer

    Koniag Government Services (Wright Patterson AFB, OH)
    … terminal emulation tools + Understanding of mainframe architecture and operating systems ( z / OS , MVS) + Experience with batch processing and online ... This role is critical in maintaining and enhancing legacy systems while supporting modernization initiatives within production and potential development/testing… more
    Koniag Government Services (09/26/25)
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  • Sr Manager of Software Engineering

    JPMorgan Chase (Westerville, OH)
    …level + Hands-on experience with mainframe migration tools (eg, Micro Focus, IBM z / OS Connect, AWS Mainframe Modernization) + Familiarity with Teller or ... + Lead the modernization of the Teller platform, transitioning from legacy mainframe systems to modern architectures + Develop and manage a phased migration… more
    JPMorgan Chase (09/12/25)
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  • Business Programming Consultant

    UNUM (Columbus, OH)
    …RESTful APIs, Git, Visual Studio; Operating Systems : Windows Server, Suse Linux, Mainframe : IBM z / OS ; Formats Tools: AFP, JCL, PDF, JPEG; Encryption ... Operating systems , including managing Windows Server environments, Linux distributions, and mainframe systems ; Working with file formats and tools used for… more
    UNUM (09/10/25)
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