• Senior Mainframe Programmer

    Robert Half Technology (New Haven, CT)
    …maintenance and optimization of our systems. Responsibilities: * Install, configure, and maintain mainframe software , including z / OS , DB2, and other ... performance of hardware and software components within az/ OS and DB2 mainframe environment. As part...to improve system capabilities. Requirements * Proven experience with z / OS operating systems, DB2 mainframe ,… more
    Robert Half Technology (09/10/25)
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  • Senior Mainframe Systems Programmer - zOS…

    Ensono (Detroit, MI)
    …Focus for this Role + Installation and maintenance of Mainframe Systems Infrastructure software (including z / OS and/or ISV products) in support of ... Senior Mainframe Systems Programmer - zOS ISVRemote - United...+ In depth knowledge and understanding of z / OS and related product software z...of z / OS and related product software z / OS . + PARMLIB configuration… more
    Ensono (07/26/25)
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  • Expert Mainframe Systems Programmer- zOS…

    Ensono (Olympia, WA)
    …Focus for this Role + Installation and maintenance of Mainframe Systems Infrastructure software (including z / OS and/or ISV products) in support of ... Expert Mainframe Systems Programmer- zOS LCMRemote - United StatesJR011395...questions and problem resolution, Monitoring and tuning of systems software , Functional knowledge, use of z / OS more
    Ensono (09/09/25)
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  • Senior Mainframe System Programmer…

    Fiserv (Frankfort, KY)
    Mainframe System Programmer ( z / OS ) **About your role:** The z / OS Mainframe System Programmer is responsible for the installation, planning, ... configuration, implementation, of z / OS and z / OS based ISV software tools....of mainframe architecture, operating systems (eg, IBM z / OS ), and job control languages (eg, JCL)… more
    Fiserv (07/12/25)
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  • FNTS Senior Mainframe z / OS

    First National Bank of Omaha (MD)
    …capabilities or additional OS capabilities such as Sysplexes + Install new software ( OS & major subsystem) releases while working with customer on ... weekend support **The Ideal Candidate for This Role:** + z / OS Concepts (JES2, SDSF, TSO, RACF, HCD/IODF,...Physical and Virtual tape library configuration and implementation + OS Upgrades, PTF Deployment and software installation… more
    First National Bank of Omaha (09/09/25)
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  • Senior Mainframe Systems Programmer…

    Fiserv (Oklahoma City, OK)
    …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,...configuration, implementation, of z / OS and z / OS based ISV software tools.… more
    Fiserv (07/06/25)
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  • Mainframe z / OS System…

    U-Haul (Phoenix, AZ)
    …Central Ave, Phoenix, Arizona 85004 United States of America U-Haul is searching for a Mainframe z / OS System Programmer to join our development team! Become ... testing of releases, upgrades, or changes to z / OS operating system, network, and component software ....root cause analysis. + Provide technical guidance to the mainframe development and production support teams on an ad… more
    U-Haul (07/17/25)
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  • IBM z / OS Software Developer…

    IBM (Poughkeepsie, NY)
    **Introduction** This position is with IBM z / OS System SSL. IBM z / OS is the premier mainframe operating system and System SSL is an important piece ... **Your role and responsibilities** The zOS Security Organization (IBM Z ) is looking for Software Developers (job...test and support the security related portion of the z / OS operating system concentrating on encryption and… more
    IBM (08/29/25)
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  • Systems Staff Engineer - z / OS

    CVS Health (Hartford, CT)
    …Staff Engineer - z / OS with a proven track record in z / OS software lifecycle methodologies across diverse vendor solutions. The ideal candidate ... + **Expert Management** : Maintain and manage a comprehensive suite of multi-vendor z / OS software products, ensuring optimal performance and reliability. +… more
    CVS Health (09/17/25)
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  • Mainframe Programmer/System Analyst

    Leidos (Baltimore, MD)
    …will create new or modify existing JCL, programs, automated batch jobs, or use z / OS mainframe tools to provide agency-wide security programming to aid ... based on identified security parameters as they pertain to z / OS Mainframe System resources, but...jobs and programs. Key required skills: + Experience administering Mainframe Security software ; RACF, ACF2 + Solid… more
    Leidos (09/06/25)
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