• Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USDenver, CO, USDallas, TX, USWashington DC, DC, USAtlanta, GA, USKansas City, MO, US Jan ... 10, 2026 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...the latest applications, technologies, and their integration into existing systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead… more
    DirectEmployers Association (12/13/25)
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  • AeroVironment (Germantown, MD)
    …role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the ... and root cause analysis on multifaceted issues affecting enterprise systems , applications, and endpoints. + Coordinate with network, ...IT support, with at least 2 years in a senior technician, engineer, or escalation role. + ITIL Foundation… more
    DirectEmployers Association (01/06/26)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking **System Administrators** to join our...anticipated decision expected by Q3/Q4 of 2026.** The **System Administrator ** responsibilities include, but are not limited to: +… more
    BAE Systems (12/04/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... our best becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National Nuclear… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... system infrastructure and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some… more
    CACI International (01/07/26)
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  • Senior Systems Administrator

    CareFirst (Baltimore, MD)
    **Resp & Qualifications** **PURPOSE:** The Senior Systems Administrator is responsible for assisting with the development and maintenance of unique software ... for efficiency in leveraging the system's platform. Additionally, the Sr. Systems Administrator is responsible for data reporting, configuration, analytics,… more
    CareFirst (11/19/25)
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  • Senior Systems Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics ... much more. **Join us and make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital role in maintaining the… more
    Leidos (11/15/25)
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  • Senior Systems Administrator

    Leidos (Gaithersburg, MD)
    …Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our ... key role in managing, securing, and optimizing high-performance, mission-critical systems that directly affect our customers' intelligence and geospatial… more
    Leidos (01/16/26)
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  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities ... of five (5) years of related experience in computer hardware, software, networking systems , and in the set-up, configuration, use, and troubleshooting of computer … more
    ManTech (12/31/25)
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  • Senior Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... do + Manage customer's Risk Management Framework and related systems to ensure optimized performance and security + Support...security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for … more
    BigBear.ai (12/30/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development...leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and… more
    SAIC (11/17/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... **Description** SAIC has an immediate opening for a ServiceNow Administrator in Annapolis Junction, on a very exciting program! In this role you will do many… more
    SAIC (11/06/25)
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  • Application Systems Administrator

    ASM Research, An Accenture Federal Services Company (Washington, DC)
    …and design. Provides direction to other IT Administrators on the project in a senior administrator capacity. Considered a technical specialist in a variety of IT ... Responsible for unique or complex information systems and/or information technology projects across more than... administrator disciplines. + Responsible for installing, configuring, and maintaining… more
    ASM Research, An Accenture Federal Services Company (01/13/26)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …system (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . ... Sr. Systems Administrator Location: Washington, DC, US.... Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required .… more
    Arena Technical Resources, LLC (10/25/25)
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  • Mid System/Network Administrator

    Belay Technologies (Laurel, MD)
    …finalist in 2021! Belay Technologies is seeking a Senior System/Network Administrator . The Systems Administrator (SA) provides support for ... operating systems enhancements to improve reliability and performance. The Systems /Network Administrator shall possess the following qualifications: + Ten… more
    Belay Technologies (12/08/25)
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  • Director OHSR Operations (Office of Human Subjects…

    Johns Hopkins University (Baltimore, MD)
    …goals. Manage key members of the OHSR Operations staff including the Training Manager, Senior Systems Administrator and Budget Analyst. + Work with JH ... Chairs, OHSR Director of Compliance and leaders from the Research Environment Systems (RES), Office of Research Administration (ORA), Office of Outside Interests… more
    Johns Hopkins University (12/19/25)
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  • Senior Principal Network…

    BAE Systems (Rockville, MD)
    …with data and computing modernization experience, to join our team as a Senior Principal Network Administrator providing support to the United States Army ... **Job Description** BAE Systems is looking for a dynamic individual, self-motivated,...deployments, and implementing software according to engineering plans. The Senior Principal Network Administrator will be involved… more
    BAE Systems (01/10/26)
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  • Senior Database Administrator

    BAE Systems (Washington, DC)
    …incentives may be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site Equal Opportunity ... **Job Description** BAE Systems is seeking **Database Administrators** to join our...decision expected by Q3/Q4 of 2026** . The **Database Administrator ** responsibilities include, but are not limited to: +… more
    BAE Systems (12/04/25)
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  • Database Administrator - Senior

    Amentum (Washington, DC)
    …and integration of systems through database design. The Database Administrator ( Senior ) will administer and test computer databases, applying knowledge ... We are searching for a Top Secret cleared Database Administrator ( Senior ) to join our team in...of database management systems . You will coordinate changes to computer databases and… more
    Amentum (11/04/25)
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