• Data Scientist

    Leidos (Mclean, VA)
    …+ Learn and leverage technologies including AWS and Git. **Basic Qualifications** **:** + Must have TS / SCI with Polygraph. + BS degree and 8 - 12 years of prior ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (11/18/25)
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  • AV Field Engineer 3

    M. C. Dean (Vienna, VA)
    …and must meet eligibility requirements, including US Citizenship, for access to classified information ; **Applicants MUST hold an ACTIVE SECRET Clearance or be ... 60 days of start date. Applicants MUST also have the ability to obtain a TS / SCI Clearance** **Position / Candidate Requirements** + BS degree in Engineering or a… more
    M. C. Dean (10/30/25)
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  • Network Engineer/Architect SME

    Leidos (Fort Belvoir, VA)
    …perfecting them. This position requires **U.S. citizenship with an active DoD TS / SCI .** **Primary Responsibilities:** + Plan and design secure network solutions ... Engineer/Architect with subject matter expertise** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides… more
    Leidos (12/06/25)
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  • Chemical Security & Elimination Subject Matter…

    Red Gate Group (Fort Belvoir, VA)
    …programs + Understanding of emerging agent trends and chemical security policy. + TS / SCI eligibility highly desired. The Red Gate Group, Ltd. is an ... acquisition strategy, and international capacity building in some of the most sensitive and consequential mission areas. Key Responsibilities You will serve as a… more
    Red Gate Group (11/22/25)
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  • Expert Security Engineer

    Amentum (Springfield, VA)
    …Amazon Web Service architect/engineering, ServiceNow/Service+) **Clearance Required:** * Must have an active TS / SCI and be able to obtain and maintain a CI poly ... to include: related security documentation such as systems concept of operations (ConOps), system security design, implementation plans, operational procedures, and… more
    Amentum (11/14/25)
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  • Director, Business Development

    CACI International (Reston, VA)
    …and capture framework. + **Active Secret Clearance** with ability to obtain TS / SCI . _Desired:_ + Existing relationships and contacts across DLA, DHS, MSC, ... Development and Marketing Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 25% Type of… more
    CACI International (10/08/25)
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  • Information System Security Engineers

    Artera Technologies (Annapolis Junction, MD)
    …Location: Maryland (Annapolis Junction / Fort Meade area) Security Clearance: TS / SCI with Appropriate Agency Polygraph Artera Technologies, LLC's engineering ... Engineering is desired and may be substituted for 6 years of experience. + Knowledge of Federal, NSA, IC, and DoD Information Security regulations, publications,… more
    Artera Technologies (12/02/25)
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  • (DoD SkillBridge), Specialist, Integration & Test…

    L3Harris (Herndon, VA)
    …of a degree, minimum of 10 years of prior military or related experience + TS / SCI W/ Poly Clearance is required. Preferred Additional Skills: + Experience in ... within our organization. L3Harris is eager to share our knowledge and experience with our service members. This internship...to successfully use the system. + Supports training system operations + Ability to take ownership of training classes… more
    L3Harris (12/19/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …have a current/active Secret clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and maintain a DHS EOD suitability is ... and other artifacts that support software use, maintenance, troubleshooting, and operations + Uses software development best practices for code documentation,… more
    ManTech (11/21/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …have a current/active Secret clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and maintain a DHS EOD suitability is ... and other artifacts that support software use, maintenance, troubleshooting, and operations + Uses software development best practices for code documentation,… more
    ManTech (11/18/25)
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