• FNTS Senior Mainframe z / OS

    First National Bank of Omaha (MD)
    …+ Mainframe Systems Engineer (10+ years experience) + Knowledge of z systems hardware + Experience configuring LPARs using the Hardware Management ... similar environments with emphasis on supporting technology such as z Series systems , Virtual Tape environments, Fiber...weekend support **The Ideal Candidate for This Role:** + z / OS Concepts (JES2, SDSF, TSO, RACF, HCD/IODF,… more
    First National Bank of Omaha (09/09/25)
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  • Senior Mainframe System Programmer ( z

    Fiserv (Baltimore, MD)
    OS based ISV software tools. This position is responsible for supporting existing z / OS systems while ensuring adherence to established standards and ... and performance management. + In-depth knowledge of mainframe architecture, operating systems (eg, IBM z / OS ), and job control languages (eg, JCL) **How… more
    Fiserv (09/05/25)
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  • Senior Mainframe Systems Programmer - zOS

    Ensono (Annapolis, MD)
    …complex ISV installations + Knowledgeable in z / OS security. + Knowledgeable in z / OS systems programming functions. + Understand z / OS services ... on-going projects that require the installation, testing, and implementation of new z / OS operating systems and other 'system' software. Also, the Maintenance… more
    Ensono (09/23/25)
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  • Senior Mainframe Systems Programmer - zOS…

    Ensono (Annapolis, MD)
    …leadership qualities + Knowledgeable in z / OS security. + Knowledgeable in z / OS systems programming functions. + Knowledgeable in DB2, CICS or IMS. ... of support products such as tape management, scheduling, security, monitoring systems ,and other z / OS supporting systems software. Note: Thisis notan… more
    Ensono (07/26/25)
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  • FLEX Senior Systems Engineer

    Marriott (Bethesda, MD)
    …**Expiration Date:** 10/08/2025 This is a temporary position. **JOB SUMMARY** Perform various z / OS systems programming tasks, primarily in support of the ... **CANDIDATE PROFILE** **Required Experience:** * 10+ years' overall experience in z / OS mainframe technologies * Proficient in ACF2 installation, maintenance,… more
    Marriott (07/24/25)
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  • Expert Mainframe Systems Programmer- zOS…

    Ensono (Annapolis, MD)
    …resolution, Monitoring and tuning of systems software, Functional knowledge, use of z / OS components and detailed knowledge of support products such as tape ... management, scheduling, security, monitoring systems , and other z / OS supporting systems software. Note: Thisis notan Applications Programming position.… more
    Ensono (09/09/25)
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  • ADABAS Database Specialist/DB2

    System One (Bethesda, MD)
    …supporting CICS Natural applications in CICSPlex environments. + Strong background in maintaining z / OS operating systems and IBM CICS parameters for ... AG's (SAG) suite of ADABAS products in an enterprise z / OS mainframe environment. This role is critical...processes. + Provide technical assistance to programming, DBMS, and systems design teams. + Troubleshoot and perform dump analysis… more
    System One (10/04/25)
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  • Mainframe Security Engineer

    Ensono (Annapolis, MD)
    …Description Summary:** **This is a Mainframe Security Administration position, working on IBM z / OS operating systems . Experience using TSO, JCL, ISPF, JES2, ... + Experience with IAM, MFA and PAM is desired. **General Knowledge:** + z / OS experience is highly desired + PC Skills (Microsoft Outlook, Word, Excel,… more
    Ensono (09/20/25)
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  • Mainframe Systems Engineer III

    Huntington National Bank (Hagerstown, MD)
    …must have experience in one or more of the following disciplines: z / OS installation and customization, storage management, hardware configuration, networking, ... initiatives or operations.* Responsibilities include providing problem determination and resolution for z / OS and z /VM network connectivity, encryption and… more
    Huntington National Bank (08/20/25)
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  • Mainframe Programmer/System Analyst

    Leidos (Baltimore, MD)
    …Leidos is seeking a candidate to provide agency-wide mainframe, Top-Secret, and z / OS development. The candidate will create new or modify existing ... JCL, programs, automated batch jobs, or use z / OS mainframe tools to provide agency-wide security...Top-Secret Security screens, generate requested audit reports of users, systems , and access to SSA's resources and sensitive data;… more
    Leidos (09/06/25)
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