• Security Support Specialist

    General Dynamics Information Technology (Mclean, VA)
    …Make an impact by using your expertise to protect our country from threats. **HOW A SECURITY SUPPORT SPECIALIST WILL MAKE AN IMPACT** + Assist with Personnel ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...security administration functions, as tasked. + Back up support is provided within component divisions as needed. **WHAT… more
    General Dynamics Information Technology (12/31/25)
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  • Cloud Information Systems Security Officer…

    General Dynamics Information Technology (Ashburn, VA)
    …+ Ensures implementation of security measures by conducting interviews and table- top exercises + Performs various Information Assurance support functions in ... able to obtain a CBP Clearance or a DoD Top Secret Clearance or a DHS clearance...GDIT is looking to hire a Senior Information System Security Specialist who wants to join a… more
    General Dynamics Information Technology (12/10/25)
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  • Information System Security

    ANSER (Mclean, VA)
    …the impact of our service. Position Overview: ANSER is seeking an Information System Security Specialist to support information technology security ... data handling and storage practices across supported environments. + Support security assessments and inspections to validate...+ Maintain security records and reports to support ongoing compliance. Required Qualifications: + Active TS more
    ANSER (12/27/25)
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  • Specialist , Integration/Test Engineer…

    L3Harris (Chantilly, VA)
    …customers, and vendors. + Position requires Top Secret Clearance Qualifications: + Top Secret or TS /SCI Clearance + Bachelor's degree and 4 years of ... sea and cyber domains in the interest of national security . Job Title: Specialist , Integration/Test Engineer Job...minimum of 8 years of prior related experience. + Security + + Active Top Secret more
    L3Harris (12/05/25)
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  • Sys Admin/IT Support Specialist

    General Dynamics Information Technology (Chantilly, VA)
    …RQ210985 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... **Job Description:** Transform technology into opportunity as an IT Support Specialist with GDIT. A career in...experience working with client and internal IT partners + ** Security Clearance Level:** TS /SCI with Polygraph +… more
    General Dynamics Information Technology (12/14/25)
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  • Customer Service Support Specialist

    General Dynamics Information Technology (Chantilly, VA)
    …RQ205964 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Required:** Yes **Job Description:** Transform technology into opportunity as a Customer Service Support Specialist with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (11/25/25)
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  • Customer Service Support Specialist

    General Dynamics Information Technology (Mclean, VA)
    …RQ211085 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Description:** Transform technology into opportunity as a Customer Service Support Specialist with GDIT. A career in...+ Experience with transferring data between different systems. + ** Security Clearance Level:** TS /SCI with Polygraph +… more
    General Dynamics Information Technology (12/14/25)
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  • User Support Specialist

    Xcelerate Solutions (Bethesda, MD)
    …Discovery and Tradecraft) - TS /SCI Xcelerate Solutions is seeking a User Support Specialist , who will be designing, developing, deploying, and operating a ... management platform for Open-Source Intelligence (OSINT). As a User Support Specialist on our team, you will...To enjoy and excel at solving complex problems to support real-world National Security missions. + To… more
    Xcelerate Solutions (12/11/25)
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  • Procurement Specialist III (Active…

    Fluor (Reston, VA)
    …Must have an active TS /SCI with CI Polygraph Clearance The Procurement Specialist I will provide procurement and organizational support for Base Operations & ... and modifications * Verify and process contractor invoices * Support vendor performance tracking and follow-up * Provide procurement...manner **Other Job Requirements** * Must have an active TS /SCI with CI polygraph security clearance *… more
    Fluor (12/20/25)
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  • Sr. Governance and Events Specialist

    Leidos (Mclean, VA)
    …**Leidos** has a new and exciting opportunity for a **Sr. Governance and Events Specialist ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... Description** Leidos is seeking a Senior Governance and Events Specialist to support an Intelligence Community (IC)...Community (IC) program in **McLean, VA** . An Active TS /SCI with polygraph security clearance is required… more
    Leidos (12/12/25)
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  • Technical Surveillance Countermeasures…

    Xcelerate Solutions (Bethesda, MD)
    …talented and brightest minds in the GovCon industry. Location: Bethesda, MD Clearance TS /SCI with CI Poly Responsibilities Security , Develop, implement, and ... Technical Surveillance Countermeasures Specialist SME Xcelerate Solutions is seeking a Technical...an internal capability to assess and mitigate any technical/physical security concern related to personnel, facilities or information, to… more
    Xcelerate Solutions (12/01/25)
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  • Specialist , Technical Trainer Engineer VA…

    L3Harris (Chantilly, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist , Technical Trainer Job Code: 32178 Job Location: ... while integrating new technologies and maintaining system stability. This engineer will support creation of training material and conduct training of the products to… more
    L3Harris (12/18/25)
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  • Microsoft Defender Specialist - Active…

    ENS Solutions (Reston, VA)
    …Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT support , Solutions, ... Intune, Microsoft 365 Defender, and Microsoft Defender for Cloud Apps and support the transition from DoD Enterprise Capabilities to emerging Microsoft technologies.… more
    ENS Solutions (12/27/25)
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  • Network Engineer ( TS /SCI)- Senior & Mid

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a TS /SCI cleared network engineer to provide the following database system support : Primary Responsibilities + Provide ... firewalls and associated network devices such as routers, and switches to support the replacement of Controlled Interfaces, and present network designs to… more
    Vexterra Group (10/14/25)
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  • PKI Engineer - Active TS /SCI with CI Poly

    ENS Solutions (Reston, VA)
    …Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT support , Solutions, ... of IAM and Zero Trust. In this role, you'll support large-scale IAM projects for our clients. You'll interface...within them. As an Identity and Access Management (IAM) specialist , you have the skills and experience to keep… more
    ENS Solutions (01/01/26)
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  • Senior Sanctions & Financial Systems…

    Guidehouse (Mclean, VA)
    …review. **What You Will Need** **:** + An ACTIVE and MAINTAINED " TOP SECRET /SCI ( TS /SCI)" Federal or DoD security clearance. + Bachelor's Degree; FOUR ... Family** **:** Management Consulting **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI ( TS /SCI) **What You Will Do** **:**… more
    Guidehouse (11/22/25)
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  • Principal Security Specialist

    RTX Corporation (Dulles, VA)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of ... more secure world You will serve as a Principal Security Specialist ; you will serve as the... Security System. + Perform duties as the Top - Secret Control Officer with oversight of all… more
    RTX Corporation (12/03/25)
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  • Specialist , Field Flight Test Engineer

    L3Harris (Ashburn, VA)
    …of 8 years of prior related experience. + Active US DOD TOP SECRET or TS /SCI security clearance. Onboarding is contingent upon clearance ... sea and cyber domains in the interest of national security . Job Title: Specialist , Field Flight Test...for OCONUS travel (~1 week/year). + Active US DOD TOP SECRET security clearance which… more
    L3Harris (11/06/25)
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  • Business Process Specialist

    SOS International LLC (Reston, VA)
    Reston, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989, SOSi is among the largest private, ... Overview SOSi is seeking a Mid level Business Process Specialist (Scientific Support ) to provide support...experience within the last 2 years. + Active DoD Top Secret Clearance with SCI and must… more
    SOS International LLC (11/21/25)
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  • HVAC Mechanic Specialist

    Amentum (Mclean, VA)
    …split and packaged unit style systems. **Must be able to obtain and maintain a Top Secret /SCI US Government security . Note: US citizenship is required to ... Amentum is looking for an **HVAC Mechanic Specialist ** to join our team in **McLean, VA!**...obtain a Top Secret /SCI security clearance.** **Essential… more
    Amentum (01/01/26)
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