• Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …and complex obstacles! Cambridge International Systems , Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. ... Qualified candidates for this job must possess a current DoD TS /SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of… more
    Cambridge International Systems Inc (06/10/25)
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  • Senior Systems Administrator

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports… more
    V2X (05/17/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Mary Esther, FL)
    …Yes **Job Description:** Seize your opportunity to make a personal impact as a Senior Systems Administrator supporting Air Force Special Operations Command ... Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems...career. At GDIT, people are our differentiators. As a Senior Systems Administrator you will… more
    General Dynamics Information Technology (07/05/25)
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  • G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    …Description:** Transform technology into an opportunity as a **Directory Services Engineer / Senior Systems Administrator ** with GDIT. A career in enterprise ... Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems...Our work depends on a **Directory Services Engineer / Senior Systems Administrator ** joining our… more
    General Dynamics Information Technology (07/11/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    …5 years of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a ... SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT… more
    Exeter Government Services, LLC (06/08/25)
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  • Senior Systems Administrator

    Leidos (Las Cruces, NM)
    **Description** Leidos is seeking a highly skilled ** Senior Systems Administrator ** to support mission-critical operations across various laboratory ... systems to address complex mission-specific challenges. The ** Senior Systems Administrator ** will work...considered in lieu of a degree. + An active TS /SCI with Poly security clearance. + At least 5… more
    Leidos (06/11/25)
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  • Senior Systems Administrator

    Tyto Athene (Doral, FL)
    **Description** Tyto Athene is searching for a ** Senior Systems Administrator (Linux)** to support US Southern Command on the SCITES II Contract in Doral, ... characteristic protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1097/ senior - systems - administrator -%28linux%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-FL-Doral_ **ID**… more
    Tyto Athene (07/28/25)
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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 ... any processes related to these systems . The Senior Systems Administrator will Configure... enhancements to improve reliability and performance **Requirements:** + TS /SCI with polygraph clearance + 10 years experience as… more
    CACI International (07/10/25)
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  • Senior Systems Administrator

    Adapt Forward (North Charleston, SC)
    Secret Clearance Required to start with upgrade to TS SCI As a Senior Systems Administrator , you will support the planning, execution, and sustainment ... Senior Systems Administrator (Range Ops Staff) North Charleston,...* Must be a US Citizen * Active DoD Top Secret clearance ( TS /SCI preferred) *… more
    Adapt Forward (06/01/25)
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  • Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • Senior Systems Administrator

    Tyto Athene (Doral, FL)
    **Description** Tyto Athene is searching for a ** Senior ** ** Systems Administrator ** to support US Southern Command on the SCITES II Contract in Doral, ... characteristic protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1101/ senior - systems - administrator -%28windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-FL-Doral_ **ID**… more
    Tyto Athene (07/28/25)
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  • Senior Systems Administrator

    PingWind INC (Doral, FL)
    Senior Systems Administrator - SCITES Doral, FL (http://maps.google.com/maps?q=Doral+FL+USA) Job Type Full-time Description Location:Doral, Florida Required ... Clearance: TS -SCI - can start with a Secret ...a related IT career field Seeking an IT Microsoft Systems Administrator to help maintain the USSOUTHCOM… more
    PingWind INC (05/14/25)
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  • 306 - Senior Systems

    ARSIEM (Laurel, MD)
    …to have an impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for ... Support the Cyber Range and Lab environments by providing systems administration and automation in support of operator training,...Date: 2025-06-05 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US… more
    ARSIEM (06/06/25)
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  • Senior Systems Administrator

    GovCIO (Bismarck, ND)
    **Overview** GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior - systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/09/25)
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  • Senior Windows Systems

    SMX (Dahlgren, VA)
    Senior Windows Systems Administrator ... + Must be able to obtain and maintain Top Secret + Master's level degree in ... (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated Senior Windows Systems Administrator to join our team in support of… more
    SMX (07/25/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd **Original… more
    Leidos (07/16/25)
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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 ... 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 (05/24/25)
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  • Senior Linux/Unix Systems

    SMX (Dahlgren, VA)
    …in support of Naval Surface Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of our team ... Senior Linux/Unix Systems Administrator ... Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs)...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux/Unix systems more
    SMX (07/25/25)
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  • Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests to… more
    ManTech (07/22/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... qualified candidate for a small, diverseteam that provides end-to-end software, systems , and network engineering services to support Integrated Discovery Operations… more
    Leidos (05/14/25)
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