• Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    …CONOPs, architecture products, and/or requirements + Experience support wargames and exercises Security Requirements: Active Top Secret clearance and ... eligible for SCI. Current TS/SCI preferred. Belong, Connect and Grow at KBRAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People… more
    KBR (12/02/25)
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  • Space Warfare Planner

    Prevailance, Inc (Virginia Beach, VA)
    …Navy operations at the operational and tactical levels of warfare. + US Citizen Security Clearance Required: Top Secret /SCI Eligibile Prevailance, Inc. is an ... Equal Opportunity/Affirmative Action Employer. All qualified candidates will receive consideration for employment and will not be discriminated against based on race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran… more
    Prevailance, Inc (10/14/25)
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  • Program Manager

    UIC Government Services and the Bowhead Family of Companies (Stafford, VA)
    …twist, bend, and squat periodically SECURITY CLEARANCE REQUIRED: Must currently hold a security clearance at the Top Secret /SCI level with the ability to ... obtain Counterintelligence Polygraph. US Citizenship is a requirement for Top Secret clearance at this location. \#LI-KC1 Applicants may be subject to a… more
    UIC Government Services and the Bowhead Family of Companies (12/17/25)
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  • Executive Leadership Administrative Support

    Noblis (Reston, VA)
    …five days a week, and work core government hours. Desired Qualifications + TOP SECRET clearance + Experience providing administrative assistance to executive ... support the strategic goals of the Department of Homeland Security (DHS) Science and Technology Directorate (S&T). DHS S&T...including Word, PowerPoint, Excel, and Teams. + Candidates with TOP SECRET clearance and DHS Suitability are… more
    Noblis (09/30/25)
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  • Network Engineer III

    Noblis (Chantilly, VA)
    …and managing sophisticated network systems and communications with special emphasis on Top Secret classification enclaves. You will architect secure network ... infrastructures that meet the highest security standards while enabling mission-critical operations. Your expertise will...8 years of experience in network engineering/administration. + Active Top Secret (TS) clearance with eligibility for… more
    Noblis (12/23/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and maintain a ... and make a difference with us. The Information System Security Department (R311) within the Global Security ...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (11/08/25)
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  • IT Operations Project Manager III

    Epsilon, Inc (Arlington, VA)
    …conditions. + Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret ... Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization within the United… more
    Epsilon, Inc (12/05/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …maintenance and support of computer systems and networks. **Must have an Active Top Secret /SCI US Government clearance. Note: US Citizenship is required to ... maintain a Top Secret /SCI clearance.** **Responsibilities:** + Installing and...assistance to end-users regarding computer issues. + Implementing basic security measures like password policies and virus scans. +… more
    Amentum (12/05/25)
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  • Lead Artificial Intelligence Engineer…

    The MITRE Corporation (Chantilly, VA)
    …for both technical and non-technical audiences / decision makers. Basic Qualifications: + Active Top Secret /SCI clearance and possess or be willing to obtain a ... for this position will be subject to a government security investigation and must meet eligibility requirements for access...5 days a week on-site. Preferred Qualifications: + Active Top Secret /SCI with Polygraph (highly desired). +… more
    The MITRE Corporation (11/27/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …periodically ** SECURITY CLEARANCE REQUIREMENTS:** Must be able to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a ... groups, including use of a centralized directory for authentication + Manage security , including basic firewall and SELinux configuration + Configure static routes,… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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