• Security Control Assessor - active TS /SCI…

    V2X (Springfield, VA)
    …location. The position is required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to obtain and maintain a ... with assessing security relevant applications. . Experience as a System Administrator , Information System Security...The position requires US Citizenship and an active DoD Top Secret with SCI clearance and the… more
    V2X (11/21/25)
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  • Specialist, System Administration…

    L3Harris (Rochester, NY)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator - TS /SCI Job Code: 29273 Job Location: Rochester, NY ... - and have every other Friday off Job Description: The Enterprise System Administrator responsible for maintaining, managing, configuring, and troubleshooting… more
    L3Harris (09/27/25)
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  • ServiceNow Developer-active TS /SCI…

    V2X (Springfield, VA)
    …OR Certification: + One or more SNOW certifications, such as the ServiceNow Certified Systems Administrator Certification. + Experience: + Shall have 7 or more ... platform. + Certifications: + Shall possess the ServiceNow Certified Systems Administrator (CSA) Certification. + Clearance: +...Clearance: + This position will require an active DoD Top Secret with SCI eligibility. + The… more
    V2X (11/13/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing… more
    General Dynamics Information Technology (09/16/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our...IT experience is required + **Candidate must have active/current Top Secret /SCI clearance with adjudicated Full Scope… more
    Northrop Grumman (10/22/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Palm Bay, FL)
    …and Linux IDM. + Support hardware/software requirement verification and system validation. + Administer cross-domain systems and support DoD/government ... the interest of national security. Job Title: ​Senior Specialist, Systems Administrator Job Code: 30442 Job Location:...We are seeking a skilled and experienced Senior Specialist System Administrator to join our Melbourne, FL… more
    L3Harris (10/29/25)
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  • Senior System Integrator Engineer…

    Vexterra Group (Bethesda, MD)
    …redundant infrastructure to include physical and virtualized environments * Set up administrator and service accounts, maintain system documentation, tune ... Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following ...of relevant professional experience * Must have an active TS /SCI with Counterintelligence Poly * Experience in system more
    Vexterra Group (10/14/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …* Test Engineers * Network Engineers * User Experience Designer * Data Science * Systems Administrator \( Linux \) For a complete list that changes weekly, use ... as an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of … more
    Lockheed Martin (09/25/25)
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  • 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 ... + Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information… more
    Tau Six (10/22/25)
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  • System Engineer ( TS /SCI)- Senior…

    Vexterra Group (Bethesda, MD)
    …to Microsoft Certified Solutions Expert (MCSE) Certification or MCSA (Microsoft Certified System Administrator ) + Experience with SAN or network storage setup ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the… more
    Vexterra Group (10/14/25)
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