• Senior Mainframe Systems Programmer…

    Fiserv (Lincoln, NE)
    …an impact on a global scale, come make a difference at Fiserv. **Job Title** Senior Mainframe Systems Programmer (VTAM) **About your role:** In this role you ... in Fintech and payments, and we move money and information in a way that moves the world. We...installation, configuration, maintenance, and administration of TCP/IP, VTAM Unix System Services and portions of z/OS. You will also… more
    Fiserv (12/20/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... This position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and… more
    SimIS Inc. (12/22/25)
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  • Senior Enterprise Architect

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking a **Enterprise Architect Senior ** to join our team and provide support to facilitate operations on a critical ... services program. This effort focuses on providing a comprehensive set of System / Software Engineering and IT Services to maintain, sustain, enhance, and… more
    BAE Systems (12/12/25)
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  • Senior Systems Engineer

    Concurrent Technologies Corporation (Fort Meade, MD)
    Senior Systems Engineer Concurrent Technologies Corporation Client Site - Fort Meade, MD area Minimum Clearance Required: TS/SCI with Fullscope Poly Clearance ... we can help solve our clients' toughest challenges. As a part of the Information Technology (IT) Division, you will be strengthening our team of world-class experts… more
    Concurrent Technologies Corporation (11/06/25)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services company. ... of systems operations and administration are included in the overall information systems planning of the organization. + Responsible for the installation,… more
    Indigo IT, LLC (11/12/25)
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  • Senior DevSecOps Engineer (Hybrid)

    BAE Systems (San Diego, CA)
    …our differences, we re innovating for the future. And you can, too. BAE Systems is looking for an experienced DevSecOps engineer to develop automated pipelines for ... data center/ cloud environments and support automated build, test and release...and root-cause analysis, support a blameless post-mortems culture BAE Systems offers competitive pay, benefits, and important work-life balance… more
    BAE Systems (11/01/25)
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  • Senior Security Assistant

    Sumaria Systems, Inc. (Bedford, MA)
    …or in electronic format. + Review, track, and monitor security clearance via Defense Information System for Security (DISS) to ensure all personnel are properly ... both in written and verbal format + Understanding of cloud -based classified systems and connections is preferred...are not being accepted at this time. For more information on Sumaria Systems , please visit our… more
    Sumaria Systems, Inc. (12/18/25)
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  • Space Communication Senior Systems

    SAIC (Chantilly, VA)
    …seeking a Space Communication Systems Engineer to support the NRO GEOINT System Integration and Architecture (GSIA) office. This is a Systems Engineering and ... + Understanding of the current and potential capabilities of space communication system providers and their satellite systems , including distributed and… more
    SAIC (12/23/25)
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  • Senior Datacenter Administrator

    BAE Systems (Vicksburg, MS)
    …infrastructure, ensuring high availability, performance, and reliability for all enterprise systems . This senior -level role involves not only day-to-day ... that's Shaping the Future of IT Support** At BAE Systems , we're passionate about delivering innovative IT solutions that...enable our customers to achieve their missions. As a ** Senior Datacenter Administrator** , you'll play a critical role… more
    BAE Systems (11/05/25)
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  • Senior Principal Cyber Systems

    Serco (Orlando, FL)
    …scans and analyses to ensure system configurations align with DoD Information Systems (DISA) Security Technical Implementation Guides (STIGs) and other ... **Position Description** Serco seeks a ** Senior Principal Cyber Systems Engineer** for...(JSIG) + Prior experience as an Information Systems Security Engineer (ISSE) + Possess cloud more
    Serco (11/19/25)
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