• Mainframe z / OS

    NTT DATA North America (TX)
    NTT Data is looking for a Mainframe z / OS Systems Programmer to join their team remotely. Responsibilities: Operating System Knowledge: + Deep mastery of ... z / OS architecture, including IPL procedures, JES2/JES3 configurations,...WLM classification and tuning Networking Knowledge: _Configuring and supporting mainframe connectivity:_ + VTAM and SNA definitions + TCP/IP… more
    NTT DATA North America (08/08/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Atlanta, GA)
    Senior Mainframe Systems Programmer - z /OSRemote... z / OS security. + Knowledgeable in z / OS systems programming functions. + Understand ... United StatesJR011823 **Position Summary** The Senior Mainframe Systems Programmer provides support for on-going projects that require...that require the installation, testing, and implementation of new z / OS operating systems and other… more
    Ensono (08/19/25)
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  • Mainframe Systems Programmer…

    Ensono (Dover, DE)
    Mainframe Systems Programmer - z /OSRemote -...in z / OS security. + Knowledgeable in z / OS systems programming functions. + Knowledgeable ... **About the role and what** **you'll** **be doing:** The Mainframe Systems Programmer provides support for on-going...of systems software. Functional knowledge, use of z / OS components and detailed knowledge of support… more
    Ensono (07/11/25)
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  • Senior Mainframe Systems Programmer…

    Fiserv (Washington, DC)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer ( z / OS ) **About your role:** The Senior ... Mainframe Systems Programmer ( z / OS ) is responsible for the installation, planning, design, management, configuration, implementation, of z / OS and … more
    Fiserv (08/02/25)
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  • Senior Mainframe Systems Programmer…

    Fiserv (Cincinnati, OH)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer ( z / OS ) **About your role:** The Senior ... Mainframe Systems Programmer ( z / OS ) is responsible for the installation, planning, design, management, configuration, implementation, of z / OS and … more
    Fiserv (08/14/25)
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  • Senior Mainframe Systems Programmer…

    Fiserv (Sacramento, CA)
    …impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer ( z / OS -Network) **About your role:** In this ... traces **Experience you'll need to have:** + 9+ years of experience with the z / OS mainframe communications experience + 7+ years of experience with TCP/IP,… more
    Fiserv (08/20/25)
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  • z / OS Administration Engineering Sr…

    Citigroup (Rutherford, NJ)
    We are seeking a highly skilled Mainframe z / OS Systems Manager with minimum of 7 years of experience in z / OS Administration with an overall ... Global engineering team responsible for maintaining the very large z / OS mainframe environment, including installing,...with mainframe hardware and software, including UNIX Systems Services under z / OS . **Responsibilities… more
    Citigroup (08/01/25)
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  • Mainframe Systems Administrator-…

    Cognizant (Hartford, CT)
    …**Required Skills: What you need to be considered** . Proven experience in z / OS system administration and mainframe operations. . Strong understanding ... We are seeking a highly skilled and experienced ** z / OS System Administrator** to join our...role, you will be responsible for maintaining and optimizing mainframe systems to ensure high availability, performance,… more
    Cognizant (08/22/25)
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  • Z / OS Mainframe Engineer

    TEKsystems (Columbus, OH)
    Looking for a strong Z / OS Mainframe Systems Programmer. Candidate will serve as a Mainframe Engineer but will expect this person to provide specific ... a team player. Detailed Description: This candidate will be filling an experienced systems mainframe engineer position. The candidate must have the following… more
    TEKsystems (08/20/25)
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  • Senior Mainframe System Programmer…

    Fiserv (Frankfort, KY)
    …technologies and performance management. + In-depth knowledge of mainframe architecture, operating systems (eg, IBM z / OS ), and job control languages (eg, ... ( z / OS ) **About your role:** The z / OS Mainframe System Programmer is...software tools. This position is responsible for supporting existing z / OS systems while ensuring adherence… more
    Fiserv (07/12/25)
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