• Senior Mainframe Programmer

    Robert Half Technology (New Haven, CT)
    Description We are looking for a Senior Mainframe Programmer to join our team in New Haven County, Connecticut, and provide critical support for our ... mainframe systems. This role involves ensuring the stability, functionality,...of hardware and software components within az/OS and DB2 mainframe environment. As part of a small, specialized team,… more
    Robert Half Technology (10/23/25)
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  • Senior Mainframe System…

    Fiserv (Shoreview, MN)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe System Programmer (z/OS) **About your role:** The Senior ... by following vendor and location-specific installation procedures. + Work with senior team members to perform problem determination and resolution, capture and… more
    Fiserv (10/11/25)
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  • Senior Mainframe Systems…

    Ensono (Los Angeles, CA)
    Senior Mainframe Systems Programmer - AutomationRemote - United StatesJR012303 **Position Summary** The Senior Mainframe Systems Programmer ... Preferred + Ability to perform skill set of an Automation Mainframe System Programmer + Ability to perform complex Automation changes without failure. +… more
    Ensono (09/25/25)
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  • Senior Mainframe Systems…

    Fiserv (Chicago, IL)
    …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 ... for the department. **What you'll do:** + Work with senior team members to perform problem determination and resolution,...work with vendor's technical support, and work with other mainframe -based technical teams on production roll-out + Work with… more
    Fiserv (10/05/25)
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  • Senior Mainframe Systems…

    Ensono (Montgomery, AL)
    Senior Mainframe Systems Programmer - StorageRemote - United StatesJR012492 At Ensono, our Purpose is to be a relentless ally, disrupting the status quo and ... our purpose. HONESTY, RELIABILITY, COLLABORATION, CURIOSITY, PASSION **Role Summary:** The Mainframe Systems Programmer provides support for on-going projects… more
    Ensono (10/23/25)
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  • Senior Mainframe Systems…

    Ensono (Salt Lake City, UT)
    Mainframe Systems ProgrammerRemote - United StatesJR012292 **Position Summary** The Senior Mainframe Systems Programmer provides support for on-going ... sysplex **Other Qualifications** + Ability to perform skill set of a Mainframe System Programmer + Working in a collaborative multi client Environment. + Ability… more
    Ensono (09/06/25)
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  • Senior Mainframe Systems…

    Ensono (Atlanta, GA)
    Senior Mainframe Systems Programmer - DB2 Physical - No ON CALLRemote - United StatesJR012461 At Ensono, our Purpose is to be a relentless ally, disrupting ... Summary** Provide premium software support and services to Ensono mainframe clients as they relate to Mainframe ...Ensono mainframe clients as they relate to Mainframe DB2 systems. Position reports to Manager - … more
    Ensono (10/23/25)
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  • Senior Mainframe Systems…

    Ensono (Baton Rouge, LA)
    Senior Mainframe Systems Programmer - zVMRemote - United StatesJR012366 A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and ... efficient operation of information systems that support core organizational functions and clients. This is achieved by monitoring, maintaining, supporting, and optimizing all operating systems assigned. This position reports to the Manager of the z/VM, z/Linux… more
    Ensono (10/07/25)
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  • Senior Mainframe Systems…

    Fiserv (Warren, NJ)
    …an 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 ... **Experience you'll need to have:** + 9+ years of experience with the z/OS mainframe communications experience + 7+ years of experience with TCP/IP, DNS, DHCP, and… more
    Fiserv (08/20/25)
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  • Senior Mainframe Programmer

    System One (Pittsburgh, PA)
    Request: Mainframe Programmer Position Location: Most of team in Pittsburgh (preferred) Pittsburgh PA Two PNC Plaza 620 Liberty Ave, Pittsburgh, PA 15222 ... 2025 Global Payments project (enhancements) Industry background: Finance Team dynamic: Mainframe Developer, you will work closely with our product owner, business… more
    System One (09/26/25)
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