• Security Control Assessor (SCA) ( TS /SCI)

    Tau Six (Chantilly, VA)
    …networking, and cybersecurity tools, techniques, and tactics. Clearance Required: US Government Top Secret / SCI Responsibilities: The Security Control Assessor ... risk and defending the enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems , cloud technology, contemporary… more
    Tau Six (10/22/25)
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  • Support the Army Research Laboratory (ARL)…

    SAIC (Adelphi, MD)
    …This position is your opportunity to utilize your skills and background as a Windows Systems Administrator and deliver support to the warfighting mission ... Education and years of experience will vary depending on position **CLEARANCE REQUIREMENT:** + A Secret or Top Secret Clearance will be required and will… more
    SAIC (11/06/25)
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  • DevOps Engineer- TS /SCI with Poly

    CACI International (Annapolis Junction, MD)
    …and internal customers on escalated issues + Configure and optimize UNIX and Windows operating systems + Implement enhancements to improve system reliability and ... DevOps Engineer- TS /SCI with Poly Job Category: Engineering Time Type:...work-life balance. **Responsibilities:** + Implement, troubleshoot, and maintain IT systems + Manage daily configuration and operations of IT… more
    CACI International (11/05/25)
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  • System Support-US Citizens Only - TS /SCI…

    The Metamorphosis Group (Chantilly, VA)
    …security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA administration. ... System Support-US CITIZENS ONLY - TS /SCI FS POLY REQUIRED Chantilly, VA . Government/Military...systems engineering and administration. + Demonstrated experience with Windows systems engineering and administration, including MSSQL… more
    The Metamorphosis Group (11/08/25)
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  • Senior System Integrator Engineer ( TS

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: You ... builds, installs, configuration, administration, and troubleshooting of both Linux and Windows platforms to include but not limited to base configuration, security… more
    Vexterra Group (10/14/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the installation, ... for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our...a US Citizen. + Must have an active DoD Top Secret Clearance + MS or BA/BS… more
    Link Solutions Inc (10/08/25)
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  • Systems Administrator II…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active TS ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports the… more
    V2X (11/14/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    …independently with minimal guidance from more senior technical staff. **Required:** + Active Top Secret or TS /SCI clearance. + **CASP+** certification ... Linux Systems Administrator Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (10/18/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …and support of computer systems and networks. **Must have an Active Top Secret /SCI with Polygraph US Government clearance. Note: US Citizenship is required ... **Amentum** is looking for a **Junior Systems Administrator ** to join our team...to maintain a Top Secret /SCI with Polygraph clearance.** **Responsibilities:** +… more
    Amentum (11/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …RQ194439 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure...SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will… more
    General Dynamics Information Technology (11/06/25)
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