• FNTS Senior Mainframe z/OS Engineer…

    First National Bank of Omaha (IL)
    …our organization's success. **Summary of the Job:** Summary of the Job The Mainframe Senior Engineer Position is part of a managed services engineering team. The ... Mainframe Senior Engineer is responsible for maintaining customer environments...handling of system backups and react in a break/fix capacity to escalate technical issues that compromise system operability… more
    First National Bank of Omaha (09/09/25)
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  • Mainframe Technical Advisor

    Ensono (Chicago, IL)
    …insights, and improvements, and develop appropriate action/mitigation plans. + ​Collaborate with Capacity Management team to review data and trends, as well ... Mainframe Technical AdvisorRemote - United StatesJR011892 **Position Summary**...for clients + Participating in proactive and reactive problem management , particularly for systemic issues, in order to help… more
    Ensono (07/16/25)
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  • Senior Mainframe System Programmer (z/OS)

    Fiserv (Chicago, IL)
    …Tape devices, Catalogs, Coupling Facilities, and Sysplexes. + Relevant certifications in mainframe technologies and performance management . + In-depth ... come make a difference at Fiserv. **Job Title** Senior Mainframe System Programmer (z/OS) **About your role:** The Senior...and validation, and project support needs. + Work with capacity and performance teams in proactively addressing… more
    Fiserv (07/12/25)
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  • Senior Mainframe Systems Programmer (z/OS)

    Fiserv (Schaumburg, IL)
    …requests, testing and validation, and project support needs + Work with capacity and performance teams in proactively addressing potential performance ... call support + Perform problem analysis and resolution + Ensure availability and performance objectives, as required by customers and management are maintained… more
    Fiserv (07/06/25)
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  • Senior Mainframe Systems Programmer - zVSE

    Ensono (Chicago, IL)
    Senior Mainframe Systems Programmer - zVSERemote - United StatesJR012218 Position Summary The z/VSE Mainframe Systems Programmer will provide support for ... Condor, CA DYNAM, Velocity z/VPS, VTAM, TCP/IP, PRSM, EPIC DASD and TAPE management , VTS, security, monitoring systems, experience of running z/VSE in both LPAR and… more
    Ensono (08/19/25)
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  • Scheduler Mid

    TEKsystems (Chicago, IL)
    …is understood and considered including timely recognition of employees. Use effective performance management to provide accurate and timely feedback and identify ... tasks associated with new business, preventative maintenance, corrective maintenance, system performance , public improvement, capacity expansion, etc. * Ensure… more
    TEKsystems (10/01/25)
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