• Sr BizOps Engineer (MQ Admin / DevOps)

    Mastercard (O'Fallon, MO)
    …Channel initiators, Trigger Monitors, MQ Log files & Dead Letter Queues on Unix, Windows and z / OS Operating Systems * Must have experience with MQ Clusters * ... Engineer (MQ Admin / DevOps) Job Overview: Leads Reactive Systems Architecture projects and creates the development and delivery...and Windows) along working experience (V7.0.1 & above) on z / OS . * Should possess good working knowledge… more
    Mastercard (11/27/25)
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  • Application Developer (ALC, Java)

    Delmock Technologies, Inc (Baltimore, MD)
    …Science , Information Systems , or a related field. In-depth knowledge of IBM z / OS assembly language , including: Assembly instructions, addressing modes, ... the Government Choice Award for IRS (Internal Revenue Service) Systems Modernizations. Location : This position is remote. Clearance:...seeking an Assembly Language Developer with deep expertise in IBM z / OS mainframe environments, IRS… more
    Delmock Technologies, Inc (12/25/25)
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  • Senior Mainframe Systems Programmer (VTAM)

    Fiserv (Lincoln, NE)
    …maintenance, and administration of TCP/IP, VTAM Unix System Services and portions of z / OS . You will also participate in Disaster Recovery exercises, support ... make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer (VTAM) **About your role:** In this role...to have:** + 7+ years of experience with the z / OS mainframe communications experience + 7+ years… more
    Fiserv (12/20/25)
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  • Mainframe Systems Manager

    City of New York (New York, NY)
    …also accept strong experience in AIX/Linux/Unix systems . - Strong understanding of IBM mainframe z / OS operating system, control, structure, logic, and ... highly motivated and seasoned manager to oversee the Mainframe Systems within the Shared Systems Division. This...to the SLA. - Provide a leadership role in z / OS administration, performance management, hardware configuration, and… more
    City of New York (12/06/25)
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  • Mainframe Programmer (CICS/MQ)

    Insight Global (Pittsburgh, PA)
    …the CICS/MQ environments and help troubleshoot issues to determine root cause * Support the IBM Z Mainframe z / OS environment using SMP/E, ISPF/SDSF. USS, ... is looking for a new member of a Mainframe Systems Support team and will primarily be accountable for...focus on one or more of the following: * z / OS concepts and utilities **1 * RACF… more
    Insight Global (12/11/25)
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  • Sr. Database Administrator

    IRIS Consulting Corporation (Atlanta, GA)
    …business goals. Key Responsibilities: . Database Administration & Maintenance: o Manage and maintain IBM DB2 databases on the z / OS mainframe platform. o ... We are seeking an experienced Database Analyst or Database Systems Programmer with a minimum of 8 years of...zConnect Enterprise Edition (zCEE) API framework. . Expertise in IBM DB2 database administration on z / OS more
    IRIS Consulting Corporation (11/27/25)
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  • Mainframe Systems Administrator

    Robert Half Technology (West Des Moines, IA)
    …with IBM mainframe environments and technologies. * In-depth knowledge of CICS and z / OS systems . * Expertise in JCL scripting and MVS JCL operations. ... Description We are looking for an experienced Mainframe Systems Administrator to join our team in West...organizational needs. * Administer and configure mainframe technologies, including z / OS and CICS environments. * Monitor and… more
    Robert Half Technology (12/23/25)
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  • Entry Level Mainframe Systems Engineer

    General Motors (Warren, MI)
    …Competitive Edge (Preferred Qualifications):** Experience in one or more of the following technical skillsets: + z / OS v2.5 / v3.1 + IMS / DB2 + IBM Mainframe ... Transformation, delivering horizontal shared services that enable modern software and systems engineering practices. Our applications run on a modern Parallel… more
    General Motors (12/16/25)
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  • Mainframe Lead Software Engineer

    JPMorgan Chase (Wilmington, DE)
    …in developing, debugging, and maintaining code in a large corporate environment with IBM - Z / OS Mainframe applications + Experience with Mainframe development ... issues to improve overall operational stability of software applications and systems + Leads evaluation sessions with external vendors, startups, and internal… more
    JPMorgan Chase (10/27/25)
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  • Systems Admin Sr. Specialist Advisor

    NTT America, Inc. (Austin, TX)
    …interdependenciesExcellent customer-facing skills. (At a technical and layman's level).Proficiency in supporting z / OS , JES2, CICS or RACF is a plus **Academic ... **Required Experience:** + Requires 10+ years' experience/proficiency with Mainframe DB2 Systems software + Experience installing DB2 using SMP/E + Installation,… more
    NTT America, Inc. (11/07/25)
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