• IBM MQ administrator - z/OS (Remote)

    Cognizant (Lincoln, NE)
    …and clustering. Proficiency in troubleshooting MQ and TCP/IP network issues. Familiarity with RACF or equivalent mainframe security tools. Experience with ... maintain backup, recovery, and disaster recovery procedures for MQ environments. Administer security policies, RACF profiles, and access controls for MQ… more
    Cognizant (11/16/25)
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  • Mainframe Security Engineer

    Ensono (Lincoln, NE)
    Mainframe Security EngineerRemote - United StatesJR012476 **Requirements:** + US Citizenship is required. + Must pass a Federal Background Check. **Key ... Responsibilities:** + Administer security for RACF , ACF2, and Top Secret...z/OS experience is highly desired. + Knowledge of other mainframe security products is a plus. **Personal… more
    Ensono (11/05/25)
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  • Senior Mainframe Systems Programmer - zVM

    Ensono (Lincoln, NE)
    …z/VM related ISV products (eg CA-VM:Manager) + Working knowledge of managing z/VM security with VM:Secure and RACF is preferred + z/VMperformance/capacity tuning ... Senior Mainframe Systems Programmer - zVMRemote - United StatesJR012366...+ Capacity and performance + Storage + Directory and security + Working in a collaborative multi-client Environment.Knowledge preferred… more
    Ensono (10/07/25)
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  • IT Mainframe Developer - Contract Role (AN)

    Nelnet (Ogallala, NE)
    …+ Experience with Changeman for version control and promotion. + Familiarity with RACF security and IBM zOS operating systems. + Strong understanding of ... people where they live, learn, and work. We are seeking experienced Mainframe Developers to support state workforce agency's initiative to expand Unemployment… more
    Nelnet (11/12/25)
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