• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... of experience in network engineering, administration, or related IT roles. + Clearance: TS / SCI CI Poly + Required Skills: + Experience with network security,… more
    DirectEmployers Association (09/30/25)
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  • Linux Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …UNIX and NT based systems . \#LI-PB2 **Required Education, Experience, & Skills** + TS / SCI clearance with appropriate poly + Ability to work 100% onsite + The ... your best. We are in search of a Linux Systems Administrator to: + Install, configure, and...or CCNA Security or CySA OR CND) MDOPS **Pay Information ** Full-Time Salary Range: $130355 - $221603 Please note:… more
    BAE Systems (09/09/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:**...opportunity to make a personal impact as a **Linux** ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (11/01/25)
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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. ... open source and in-house applications \#LI-PB2 **Required Education, Experience, & Skills** + TS / SCI clearance with appropriate poly + Ability to work onsite… more
    BAE Systems (09/09/25)
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  • Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …RQ206988 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator - Active Directory Forests - Active Top... Administrator - Active Directory Forests - Active Top Secret Required** Seize your opportunity to… more
    General Dynamics Information Technology (09/09/25)
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  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... Administrator will provide operations support to customers across multiple...supervising or leading teams or projects. **Clearance** + Active TS / SCI clearance with Polygraph required OR active… more
    Leidos (10/07/25)
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  • Windows Systems Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    Windows Systems Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is ... Administrators will provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems . **Responsibilities:** + Manage IT… more
    Athenix Solutions Group, LLC (08/08/25)
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  • TS / SCI Systems

    Insight Global (Mount Vernon, VA)
    Job Description Insight Global is looking for a Mid-level Systems Administrator to support one of our large federal clients on a long-term DoD contract. This ... person will need to possess a TS / SCI DoD clearance and work in person...requirements. * Performs software installations and upgrades to operating systems and layered software packages. Schedules installations and upgrades… more
    Insight Global (10/16/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... * **The Opportunity:** **CACI** is seeking a **Senior Linux Systems Administrator ** to provide support for implementation,...Network+, or System Security Certified Practitioner (SSCP). + A TS / SCI clearance with a Polygraph is required… more
    CACI International (10/30/25)
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  • Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …RQ208312 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... of related experience **US Citizenship Required:** Yes **Job Description:** Job Description ** Systems Administrator ** Seize your opportunity to make a personal… more
    General Dynamics Information Technology (10/04/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …skills\. \* Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain SCI access; applicant selected will be ... Martin's Advanced Technology Laboratories \(ATL\) is seeking an IT Systems Engineer/ Systems Administrator with a...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (10/22/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …Clearance: TS / SCI required with the ability to obtain a TS / SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows, Linux, or ... ** Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:**...required with the ability to obtain a TS / SCI with Poly highly desired * Operating Systems more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Systems Administrator

    Koniag Government Services (Washington, DC)
    …Management Solutions,** a Koniag Government Services company, is seeking a Systems Administrator with a Top - Secret clearance with the ability to obtain ... a Koniag Government Services company, is seeking an experienced Systems Administrator to support our government client....years of system administration experience + Active Top - Secret clearance with ability to obtain SCI more
    Koniag Government Services (10/01/25)
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  • Systems Administrator II - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator II - PIPELINE ( TS / SCI w/ Polygraph) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. ... systems enhancements to improve reliability and performance. The Level 2 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (10/21/25)
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  • Systems Administrator I - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator I - PIPELINE ( TS / SCI w/ Polygraph) FORT MEADE, MD (http://maps.google.com/maps?q=FORT+MEADE+MD+USA+20755) Description COMSO, Inc. ... systems enhancements to improve reliability and performance. The Level 1 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (09/02/25)
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  • Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    …with LINUX, Windows, AWS and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd If you're looking for ... **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (09/26/25)
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  • Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** The Systems Administrator will be responsible for: +...improve reliability and performance **Minimum requirements include:** + Active TS / SCI with Polygraph + Ten (10)+ years… more
    Leidos (10/12/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... Travel: None * * * **Exciting Opportunity: Join Our Team as a Linux System Administrator !** Are you passionate about Linux systems and eager to make a… more
    CACI International (10/18/25)
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  • ServiceNow Systems Administrator

    SAIC (Annapolis Junction, MD)
    …be substituted for the degree + Minimum of 9 years of experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is ... + Provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems + Manage IT...and performance **Qualifications** + Must currently hold an Active TS / SCI and Poly clearance + Bachelor's degree,… more
    SAIC (08/07/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment ... CGI Federal has an exciting opportunity for a Linux Systems Administrator within our Intel sector advancing...2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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