• IT Systems Administrator

    Leidos (Washington, DC)
    **Description** The Leidos National Security Sector is seeking an experienced ** Systems Administrator ** to provide technical expertise installing, configuring, ... planning sessions, providing actionable recommendations. **Required Security Clearance:** + Active Top Secret . **Basic Qualifications.** + Bachelor's degree and… more
    Leidos (09/13/25)
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  • Network- System Administrator II

    Global Resource Solutions (Washington, DC)
    …motivated, detail orientated, and talented individual for the position of Network/ System Administrator II. Job Description: Summary: The Network/ System ... + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required +...of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI Eligibility +… more
    Global Resource Solutions (10/13/25)
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  • Endpoint Security as a Service (ESS) Engineer/…

    Leidos (Washington, DC)
    …network components and develop cutting-edge technical solutions. **Basic Qualifications:** + Active ** Top Secret clearance** (SCI eligible). + **8+ years of IT ... mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems -...advanced exploits and vulnerabilities. + Providing in-depth reporting on system health, event trends, and module performance. + Supporting… more
    Leidos (10/03/25)
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  • Cleared Senior Microsoft Azure Enclave…

    Virtual Service Operations (Lorton, VA)
    …Assistance Package Available). + Must be willing to work onsite. + Must have an active Top Secret ( TS ) security clearance. + Must meet DoD 8570 IAT Level ... Cleared Senior Microsoft Azure Enclave Administrator * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you a skilled cloud professional with… more
    Virtual Service Operations (10/31/25)
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  • System Administrator

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ210156 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... (2) years of experience with Service Management (ITSM) is required. + ServiceNow System Administrator certification is required GDIT IS YOUR PLACE: * Full-flex… more
    General Dynamics Information Technology (11/08/25)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …involved in the resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots, maintains ... so, look no further. Amentum is seeking a **Linux Administrator , Senior** to join our team of passionate individuals...and configures network components. **Requirements:** * Must have active Top - Secret clearance with SCI and Poly *… more
    Amentum (11/21/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (10/09/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... lead, innovate, and drive strategic change. We are seeking a Senior System Administrator / Integrator with proven experience delivering mission-critical… more
    General Dynamics Information Technology (11/08/25)
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  • VTC Administrator

    CACI International (Suitland, MD)
    …experience preferred. + **Required Skills and Attributes:** + Must have an active Top Secret clearance with SCI eligibility. + Comfortable in high visibility ... VTC Administrator Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/11/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a ... + Experience with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** + The person in… more
    ManTech (11/21/25)
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