• Chief Facility Engineer

    EMCOR Group (Springfield, VA)
    …inspectors. ** Security Clearance Requirement: This position requires an Active Top Secret /Sensitive Compartmented Information ( TS /SCI) Clearance** ... **About Us** When military bases, national security agencies, federal buildings, healthcare facilities, and leading commercial clients in Washington DC and across… more
    EMCOR Group (10/29/25)
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  • Principal Endpoint Security Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer** in our **National Security Sector's (NSS) ... **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber...degree. + **To be considered must have an active TS /SCI with polygraph security clearance** **Preferred Qualifications**… more
    Leidos (11/28/25)
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  • Program Security Officer

    Leidos (Vienna, VA)
    …of experience will be considered in lieu of a degree. **Must possess a current/active Top Secret Clearance with SCI - candidates who do not currently possess ... to: Using knowledge of the various security disciplines such as physical security , personnel security , information system security and industrial… more
    Leidos (12/04/25)
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  • Senior Security Manager

    Leidos (Columbia, MD)
    …communication skills, both oral and written *Candidates must possess an active Top Secret clearance with SCI eligibility and Polygraph Preferred Qualifications: ... **Description** Leidos Security Operations is seeking a proven, experienced ...prevent unauthorized access to company and government facilities or information . *The applicant must have a proven ability to… more
    Leidos (11/18/25)
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  • CWMD Watch Officer

    SGI Global, LLC (Washington, DC)
    Washington, DC, USA | Top Secret /SCI | 70000-80000 per year | Full Time SGI Global is seeking a CWMD Watch Officer to support the Department of Homeland ... Security , The Countering Weapons of Mass Destruction Office (CWMD)...Officer shall monitor and review 24/7/365 all levels of information to include classified systems and folders… more
    SGI Global, LLC (12/02/25)
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  • Modernization Software Engineer - SWE0

    Lockheed Martin (Hanover, MD)
    …used for contingent offers\. \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph SWE0: * A High School ... providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale...tools and techniques * RF algorithm development **Clearance Level:** TS /SCI w/Poly SP **Other Important Information You… more
    Lockheed Martin (01/16/26)
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  • Infrastructure & Virtualization Security

    Deloitte (Arlington, VA)
    …+ 13 years of experience OR Master's Degree with 5+ years of experience + Active Top Secret /SCI clearance with a CI Poly + Ability to travel 25%, on average, ... Security Requirement Guides (SRGs), and NIST 800-53 Rev 5 and 800-171 security controls relevant to virtualization and storage systems . + Perform independent… more
    Deloitte (01/18/26)
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  • Enterprise Support Manager, ES - Amazon Dedicated…

    Amazon (Arlington, VA)
    …engineering experience - 4+ years managing technical teams - Current, active US Government Security Clearance of Top Secret or above - Passionate about ... that the candidate selected be a US Citizen and obtain and maintain an active TS /SCI security clearance. A day in the life * Manages assigned Enterprise accounts… more
    Amazon (11/20/25)
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  • Senior Technical Advisor - Vetting & Adjudication

    CACI International (Springfield, VA)
    Secret clearance with the ability to obtain or currently possess Top Secret /SCI clearance. + **Education:** Bachelor's degree from an accredited institution. ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up...ready to make a meaningful impact on national transportation security ? At CACI, we are seeking a highly skilled… more
    CACI International (10/28/25)
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  • Microsoft SQL Database Administrator

    Leidos (Suitland, MD)
    …certifications, or hands‑on experience may substitute for a degree. + Active DoD Top Secret /SCI clearance. + IAT Level II certification (eg, Security ... in Suitland, MD. If you hold an active DoD TS /SCI clearance and thrive on solving complex challenges, this...+ Design, manage, and optimize advanced Microsoft SQL database systems . + Assist in diagnosis and resolution of complex… more
    Leidos (01/01/26)
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