• Principal Engineer - IBM Mainframe Platform

    Toyota (Plano, TX)
    …a sustainable Mainframe Operations practice for IBM z/OS infrastructure, mainframe security , performance tuning, and systems integration with strategic ... Defining architectural principles, best practices, and governance frameworks for mainframe environments. + Managing mainframe security...(eg, IBM z/OS Connect, MQ, CICS). + Exposure to security frameworks such as RACF and SOX… more
    Toyota (12/17/25)
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  • Mainframe Security Engineer

    Ensono (Houston, TX)
    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 (Houston, TX)
    …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 (Austin, TX)
    …+ 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 (12/04/25)
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  • Systems Admin Sr. Specialist Advisor

    NTT America, Inc. (Austin, TX)
    …related projects (upgrades, migrations, etc.)Provide technical support to the NTT Security Team.Maintain BCDR documentation for the Mainframe platforms ... This role requires someone at a senior level of mainframe DB2 support. The individual will work closely with...and layman's level).Proficiency in supporting z/OS, JES2, CICS or RACF is a plus **Academic Qualifications and Certifications:** +… more
    NTT America, Inc. (11/07/25)
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  • zOS Print Systems Programmer

    Unum Group (Austin, TX)
    …technical personnel at all levels. + Understanding/use of cloud technologies + RACF security components, concepts and understanding. \#LI-AS3 \#LI-Remote ~IN1 ... an innovative z/OS Systems Programmer to support and modernize its mainframe environment, focusing on resiliency, future business needs, and emerging technologies.… more
    Unum Group (12/31/25)
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  • Senior zOS System Programmer - Remote

    Truist (Dallas, TX)
    …dumps, traces and gathering appropriate documentation for analysis. 4. Hands on with RACF and network security protocols (IPSec, AT-TLS, SSH). 5. Knowledge of ... (United States of America) **Please review the following job description:** Our Mainframe Engineering team is looking for an experienced, senior level zOS System… more
    Truist (12/03/25)
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  • Delivery Consultant, DB2 on z/OS

    IBM (Austin, TX)
    …. z/OS: - System Programmer set of general knowledge skills (ISPF/SDSF, RACF , JES parameters, SMP/E, SYS1.PARMLIB, SYS1.PROCLIB members.) Should have an in-depth ... create databases and database objects, and have a basic knowledge of database security and transaction isolation. Skills in z/OS . Operations set of skills… more
    IBM (12/17/25)
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  • Delivery Consultant, CICS

    IBM (Houston, TX)
    …* z/OS: - System Programmer set of general knowledge skills (ISPF/SDSF, RACF , JES parameters, SMP/E, SYS1.PARMLIB, SYS1.PROCLIB members.) Skills in z/OS * Operations ... * Familiar with CICS RDO/CPSM * General knowledge of CICS transaction security * Knowledge of CICS SIT parameter **Preferred technical and professional experience**… more
    IBM (12/17/25)
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