• Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …and any processes related to these systems . The Senior Systems Administrator will Configure and manage primarily Windows and some UNIX operating ... Senior Systems Administrator Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (09/25/25)
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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 (07/10/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …and support accreditation efforts. **What Required Skills You'll Bring:** + **Active Top Secret /SCI with Full Scope Polygraph** + Bachelor's degree in ... to end-users. + Microsoft Azure Certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this… more
    Parsons Corporation (09/04/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat,… more
    BAE Systems (09/09/25)
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  • Sr. ArcGIS Administrator

    Leidos (Fort Belvoir, VA)
    …+ 3+ years' combined experience with SQL and Python. + Must hold a Top Secret /SCI Clearance **FACTORS TO HELP YOU SHINE:** **(** **_Required Skills_** **)** ... Administration, Relational Databases (Oracle and/or PostgreSQL, Scripting (Python, PowerShell), Windows Server Administration, Incident/Ticketing System (ServiceNow, Jira). Selected candidate… more
    Leidos (10/01/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (09/20/25)
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  • Systems Administrator (Tier 2…

    William C Brown Inc (Springfield, VA)
    Systems Administrator (Tier 2 Desktop Support) EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration ... protected by law. Description WCBinc is looking for a Systems Administrator (Tier 2 Desktop Support) to...Position Requirements WHAT YOU'LL NEED TO SUCCEED: Basic Qualifications: TS /SCI Clearance w/ ability to obtain a Poly Knowledge… more
    William C Brown Inc (08/14/25)
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  • Systems Network Administrator…

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems /Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** Systems /Network administrator will provide support for implementation, troubleshooting and… more
    Leidos (09/20/25)
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  • DSS Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …**Type of Requisition:** SCA **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** SCA **Skills:** ... experience **US Citizenship Required:** Yes **Job Description:** **Mission:** A DSS Systems Administrator is responsible for providing Desktop Support Services… more
    General Dynamics Information Technology (09/26/25)
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  • Windows Engineer

    Koniag Government Services (Vienna, VA)
    …Kadiak and our government customer in Vienna, VA. **This position requires an active Top - Secret security clearance with SCI Poly. This opportunity is offering a ... candidate will be responsible for designing, implementing, and managing our Windows -based systems and applications, ensuring their performance, security, and… more
    Koniag Government Services (07/12/25)
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