• z / OS Mainframe

    System One (Bethesda, MD)
    z / OS Mainframe Systems Programmer Location: Remote (must be in US / EST Hours) Pay Rate: $60-$68/h w/ conversion salary of 125k Public Trust Required ... Responsibilities: DMI, LLC is seeking az/ OS Mainframe Systems Programmer to join us. The z / OS Mainframe Systems Programmer will provide full… more
    System One (10/07/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Washington, DC)
    …Areas of Focus for this Role + Installation and maintenance of Mainframe Systems Infrastructure software (including z / OS and/or ISV products) in support ... Senior Mainframe Systems Programmer - z...Senior Mainframe Systems Programmer - z /OSRemote - United... z / OS security. + Knowledgeable in z / OS systems programming functions. +… more
    Ensono (10/30/25)
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  • Systems Programmer - z / OS

    Ensono (Washington, DC)
    Systems Programmer - z /OSRemote - United...working within az/ OS environment. + Familiarity with mainframe functional areas such as z / OS ... assist in documentation creation. Upgrading or applying maintenance to z / OS and ISV products during migration will...+ Will be responsible for upgrades of a clients mainframe software. + Learn client environments as they transition… more
    Ensono (10/30/25)
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  • Delivery consultant z / OS

    IBM (Washington, DC)
    …in team environment as well as independently without direction * Mainframe systems software programming experience * z / OS application modernization such ... trailblaze new solutions that address real business challenges. Help clients, Perform z / OS Software installations .Use z /OSMF, Implement best practices and… more
    IBM (11/04/25)
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  • Delivery Consultant - z /HW - z

    IBM (Washington, DC)
    …in team environment as well as independently without direction * Mainframe systems software programming experience * Proficient with z / OS , TSO/ISPF, ... and configure latest zHW, Create/update IODF and work with HCD . Perform z / OS Software installations, Use z /OSMF and Implement best practices **Required… more
    IBM (11/04/25)
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  • Mainframe System Programmer/Hardware…

    Ensono (Washington, DC)
    …working within az/ OS environment supporting Tape, DASD, CPU, and other mainframe hardware equipment. + Experience creating HCD and IOCP for zOS, zVM, and ... Mainframe System Programmer/Hardware ConfigurationRemote - United StatesJR011978 ...and business requirements. + Above average knowledge of the z / OS operating system. + Familiarity with tape… more
    Ensono (09/17/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Washington, DC)
    Senior Mainframe Systems Programmer - zVMRemote - United StatesJR012366 A...+ Linux on IBM Z + VSEn and z /VSE + CMS + z / OS + Ability ... Senior IBM z /VM Systems Programmer ensures the stability, integrity, and efficient operation of information systems that support core organizational… more
    Ensono (10/07/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Washington, DC)
    Senior Mainframe Systems Programmer - AutomationRemote - United StatesJR012303 **Position Summary** The Senior Mainframe Systems Programmer provides ... with technical questions and problem resolution. Functional knowledge of z / OS Opsmvs or z /SA Automation...+ Ability to perform skill set of an Automation Mainframe System Programmer + Ability to perform complex Automation… more
    Ensono (09/25/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Washington, DC)
    Senior Mainframe Systems Programmer - DB2 Physical -...You Will Do:** + Fulfill customer service requests for mainframe z / OS customers in a timely ... support and services to Ensono mainframe clients as they relate to Mainframe DB2 systems . Position reports to Manager - Mainframe Database **What… more
    Ensono (10/23/25)
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  • Mainframe Systems Programmer - CICS

    Ensono (Washington, DC)
    Mainframe Systems Programmer - CICSRemote - United StatesJR011666 **Position Summary** Provide premium software support and services to Ensono mainframe ... this Role** + Fulfill customer service requests (CSRs) for mainframe CICS customers in a timely manner as they...Upgrading, maintaining, enhancing or providing new options to applicable z / OS products within any given customer partition.… more
    Ensono (10/06/25)
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  • Senior Mainframe Systems Programmer

    Ensono (Washington, DC)
    …the Maintenance and debugging of systems software.. Functional knowledge, use of z / OS components and detailed knowledge of support products such as tape ... Senior Mainframe Systems ProgrammerRemote - United StatesJR012292 **Position Summary** The Senior Mainframe Systems Programmer provides support for… more
    Ensono (09/06/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Washington, DC)
    Senior Mainframe Systems Programmer - StorageRemote -...tune systems software, as well as use z / OS components and detailed knowledge of support ... our purpose. HONESTY, RELIABILITY, COLLABORATION, CURIOSITY, PASSION **Role Summary:** The Mainframe Systems Programmer provides support for on-going projects… more
    Ensono (10/23/25)
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  • Sr. Mainframe Automation Systems

    Ensono (Washington, DC)
    …Tools such as Jira or Bugzilla (Scrum and Kanban Boards) + Mainframe Operating systems and their sub-components - z / OS , MVS + Software packaging and ... Sr. Mainframe Automation Systems ProgrammerRemote - United...Assembler + Code hosting platforms for version control and source code management such as Github + Software Development… more
    Ensono (11/03/25)
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  • Mainframe CICS/IMS Systems

    Travelers Insurance Company (Washington, DC)
    …all aspects of the evaluation, configuration, security, implementation, and support of CICS, IMS, z / OS Connect, TPX, CA GEN, EOS and other software for multiple ... experience with installing, migrating, supporting, and troubleshooting IMS, CICS, and z / OS Connect. Under limited supervision, demonstrates a comprehensive… more
    Travelers Insurance Company (10/31/25)
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  • Mainframe Developer

    System One (Rockville, MD)
    …180k Contractor Work Model: Onsite ALTA IT Services is seeking a highly experienced Z / OS Mainframe Developer with deep expertise in Assembler, COBOL, and ... + TSO/ISPF + Extensive hands-on experience with Assembler, COBOL, and CICS in aZ/ OS Mainframe environment + Strong coding skills with proven adherence to… more
    System One (09/03/25)
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  • z Delivery Consultant, GDPS

    IBM (Washington, DC)
    …Candidates having background or coursework in Information Technology with exposure to Operating Systems ( z / OS , Linux, zVM, Windows) and general computer ... and customer travel (typically 20%). * Experience with computer operating/files systems and general system administration. * Strong communication skills * Readiness… more
    IBM (10/30/25)
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  • FLEX Senior Systems Engineer

    Marriott (Bethesda, MD)
    …**Expiration Date:** 11/11/2025 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 (10/29/25)
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  • ADABAS Database Specialist/DB2

    System One (Bethesda, MD)
    …implementing, and maintaining Software AG's (SAG) suite of ADABAS products in an enterprise z / OS mainframe environment. This role is critical to ensuring the ... CICS Natural applications in CICSPlex environments. + Strong background in maintaining z / OS operating systems and IBM CICS parameters for optimized… more
    System One (10/04/25)
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