• Automation Test Engineer I - C#/ SQL/…

    Unum Group (Portland, ME)
    …Validate data integrity at the database level (MS SQL) and perform mainframe /blackbox testing. Partner with Business Analysts to define acceptance criteria and ... Proficiency in C#, MS .NET, and MS SQL. Comfortable with mainframe and blackbox testing environments. Cloud automation experience (AWS preferred). Enterprise-level… more
    Unum Group (12/25/25)
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  • Senior Mainframe Database Administrator

    Unum Group (Chattanooga, TN)
    …az/OS / MVS environment + 6+ years database administration for IMS in an IBM mainframe environment + 4-year college degree or equivalent - IMS for z/OS + Knowledge ... - z/OS, TSO, ISPF, JCL, and SDSF + Coding and debugging z/OS mainframe batch jobs, the applicant's work and for application development team members needing… more
    Unum Group (12/21/25)
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  • Senior Mainframe Systems Programmer (VTAM)

    Fiserv (Lincoln, NE)
    …on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer (VTAM) **About your role:** In this role you will be ... governance requirements and audits and work with capacity and performance teams in proactively addressing potential performance ...have:** + 7+ years of experience with the z/OS mainframe communications experience + 7+ years of experience with… more
    Fiserv (12/20/25)
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  • Senior Mainframe Developer

    GovCIO (Trenton, NJ)
    **Overview** GovCIO is currently hiring for Senior Mainframe Developer to perform maintenance, remediation's, and updates to mission critical applications used to ... years of experience on large scale applications on a mainframe platform developing in both a Batch and Online...at any time, including for reasons related to individual performance , GovCIO or individual department/team performance , and… more
    GovCIO (12/17/25)
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  • Mainframe Engineer

    Guidehouse (Washington, DC)
    …innovative, and growing team that is supporting a large federal client's Mainframe environment. The selected candidate will provide training, advisory and support ... the Mainframe and Virtual Tape Library configurations at DOJ. Specific...+ Identifying problems and risks that could adversely impact performance , cost and/or delivery; **What You Will Need** **:**… more
    Guidehouse (12/24/25)
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  • Mainframe Application Analyst

    Fiserv (Omaha, NE)
    …on a global scale, come make a difference at Fiserv. **Job Title** Mainframe Application Analyst **About your role:** At Fiserv, we are dedicated to transforming ... financial services technology to benefit our clients. As a Mainframe Developer, you will play a critical role in...coding, testing, and debugging of applications to ensure optimal performance . + Maintain and improve existing codebases and lead… more
    Fiserv (12/20/25)
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  • Mainframe QA Test Engineer

    Fiserv (Lincoln, NE)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Mainframe QA Test Engineer **What does a successful Software QA Engineer do?** As a ... in automation testing. + 2+ years of experience in performance testing. + 2+ years of experience in Agile...years of experience in Agile methodologies. + Familiarity with Mainframe testing. + Bachelor's degree in Computer Science or… more
    Fiserv (12/20/25)
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  • Mainframe z/OS_ISV Admin

    Cognizant (San Antonio, TX)
    ** Mainframe z/OS_ISV Admin** **Roles and Responsibilities of Z/OS Administrator** - Extremely familiar with IBM z/OS operating system(OS 2.2, 2.3) - Knowledge on ... Parallel Sysplex concepts - Experience mainframe LPAR builds - Strong experience in zOS version...issues - zOS MF configuration and setup - z/OS performance monitoring and reporting **Mandatory Skills:** - Technical Skills… more
    Cognizant (12/09/25)
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  • IT Mainframe Developer - Contract Role (AN)

    Nelnet (Breckenridge, CO)
    …people where they live, learn, and work. We are seeking experienced Mainframe Developers to support state workforce agency's initiative to expand Unemployment ... in Computer Science **EXPERIENCE:** + Minimum 5 years of experience in mainframe development. + Proficiency in: COBOL (batch and online) CICS (transaction processing… more
    Nelnet (12/04/25)
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  • Project Manager - Modernization - mainframe

    NTT DATA North America (Plano, TX)
    …sourcing strategy. Role Overview + Manage planning, execution, and delivery of Mainframe rehost project. + Ensure alignment with business objectives by managing ... within the team to ensure alignment and efficient execution. + Provide performance feedback and coaching to team members + Communicate project status, risks,… more
    NTT DATA North America (12/02/25)
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