• Window System Administrator

    ManTech (College Park, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Windows** ** Systems Administrator ** to join our team in **College Park, Maryland** . The position ... is part of a team that provides Windows Systems Administration support for an organization that is tasked with researching challenging problems within the… more
    ManTech (10/14/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator ** to join our team located in the **Ft. Meade, MD** area. ... in computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a… more
    ManTech (11/03/25)
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  • Systems Administrator (IT Program…

    Nightwing (Annapolis Junction, MD)
    …defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified program ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/22/25)
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  • ServiceNow Portal Administrator , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …TS /SCI with Poly highly desired * ServiceNow Certification: ServiceNow Certified System Administrator (CSA) certification is often a requirement. * ... **ServiceNow Portal Administrator , Senior** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2136… more
    CGI Technologies and Solutions, Inc. (10/02/25)
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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end software, ... systems , and network engineering services to support Integrated Discovery...relying on corporate baselines, to support software developers, phased system upgrades, compliance, and improvements aimed at ensuring continued… more
    ARSIEM (10/30/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …None * * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle ... Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full...candidate will ensure the smooth operation of existing enterprise systems by patching and updating the system … more
    CACI International (09/26/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …involved in the resolution process. Configures and manages LINUX operating systems and installs/loads operating system software, troubleshoots, maintains ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...system and installs Required Experience and Qualifications: + TS /SCI with aPolygraph + Nine (9) years experience in… more
    Assertive Professionals (09/25/25)
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  • ServiceNow Administrator /Developer SME

    GovCIO (Washington, DC)
    …customer-centric attitude Clearance Required: US citizenship is required to acquire a Top Secret Clearance. **Preferred Skills and Experience** + ServiceNow ... **Overview** GovCIO is currently hiring a **ServiceNow Administrator /Developer SME** to support our USSS Network Operations...in various roles + Thorough knowledge of the ServiceNow System + Experience with JavaScript, HTML, CSS, Jelly, HTTP,… more
    GovCIO (10/22/25)
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  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad...the ability to obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating… more
    ManTech (11/19/25)
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  • Senior Principal Contract Administrator

    Northrop Grumman (Dulles, VA)
    …FAR/DFAR + Experience with MS Office Suite + Requires an active Top - Secret /Sensitive Compartmented Information (SCI) clearance at time of application **Your ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (11/25/25)
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