• Senior Mainframe Systems Programmer…

    Ensono (Chicago, IL)
    …- z /OSRemote - United StatesJR011823 **Position Summary** The Senior Mainframe Systems Programmer provides support for on-going projects that require ... and tuning of systems software. Functional knowledge, use of z /OS components and detailed knowledge of support ...+ Minimum of 10+ years of experience within a mainframe environment within a large enterprise or equivalent combination… more
    Ensono (05/20/25)
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  • Mainframe Systems Programmer - z /OS

    Ensono (Chicago, IL)
    Mainframe Systems Programmer - z /OSRemote - United StatesJR011392 At Ensono, our **Purpose is to be a relentless ally, disrupting the status quo and unleashing ... **About the role and what** **you'll** **be doing:** The Mainframe Systems Programmer provides support for on-going...and tuning 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 System Programmer…

    Fiserv (Schaumburg, IL)
    …and establishing technical direction and business strategy for the department. + Support mainframe hardware upgrades to the latest technology. **Experience ... on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe System Programmer ( z /OS) **About your role:** The Senior System Programmer is… more
    Fiserv (07/12/25)
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  • Senior Mainframe Systems Programmer…

    Fiserv (Chicago, IL)
    …on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer ( z /OS) **About your role:** The Senior Mainframe ... and transmit system dumps, closely work with vendor's technical support , and work with other mainframe -based technical...to have:** + 10+ years of experience with the application of z /OS communications protocols and systems… more
    Fiserv (07/06/25)
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  • Mainframe Solution Delivery Architect

    Ensono (Chicago, IL)
    …devices, and Call Home. You will adjust weights on HMC for LPARS as required in support of steady state mainframe support . **What You Will Do:** + Define ... (GEN) mainframe equipment to be connected to Mainframe CPU + Support existing mainframe...and data center migrations. + Career level familiarity with Z Series HMC and support element. +… more
    Ensono (06/19/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Chicago, IL)
    …needed. **Key Areas of Focus for this Role** + Responsible for IT mainframe Network systems programming and general product support including configuring ... Senior Mainframe Systems Programmer - NetworkRemote - United StatesJR012059...out cost reductions, efficiency improvements and better methods to support applicable technology environments. + Keeps informed of latest… more
    Ensono (06/27/25)
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  • Associate Mainframe Systems Programmer…

    Ensono (Chicago, IL)
    …Network. Key Areas of Focus for this Role + Responsible for IT mainframe Network systems programming and general product support including configuring interfaces ... Associate Mainframe Systems Programmer - NetworkRemote - United StatesJR012009...out cost reductions, efficiency improvements and better methods to support applicable technology environments. + Keeps informed of latest… more
    Ensono (06/25/25)
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  • Mainframe Solution Architect

    BMO Financial Group (IL)
    …technical solutions to executive leadership. **Required Skills: Technical:** + 10+ years of mainframe expertise in z /OS, RACF, and security frameworks. + Strong ... We seek a Senior Mainframe Architect to design secure and scalable ...Performs proofs of concept / prototypes and recommends the application of such technologies for future technology architecture. +… more
    BMO Financial Group (07/09/25)
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  • Mainframe MQ Administrator

    Eliassen Group (Springfield, IL)
    …suited MQ implementation for their requirements. + Provision MQ infrastructure on mainframe z /OS and on distributed platform. + Understand, explain, configure, ... MQ on the mainframe platform is expected. + Some basic level of mainframe application programming in COBOL is preferred. + Contribute on change management… more
    Eliassen Group (06/28/25)
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  • Mainframe Technical Advisor

    Ensono (Chicago, IL)
    Mainframe Technical AdvisorRemote - United StatesJR011818 **Position Summary** The Mainframe Technical Advisor (MF TA) is the primary Mainframe technical ... as well as make improvements to optimize our clients' infrastructure. The Mainframe Technical Advisor team is responsible for maintaining and enhancing the service… more
    Ensono (05/17/25)
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