• Physicist

    Leidos (Reston, VA)
    …is also required. **Required Education, Skills, and Experience:** * Candidate must possess an active TS /SCI, or a Top Secret clearance with a current SSBI, ... Solutions Business Area at Leidos seeks physicists who can lead and perform research and development efforts. This position...position will be responsible for R&D activities that support data analytics as well as modeling and simulation efforts.… more
    Leidos (12/19/25)
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  • Physical Security Specialist (Industrial Security…

    Huntington Ingalls Industries (Alexandria, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $85,686.00 - $140,769.00 Security Clearance: Top Secret Level of Experience: Senior Meet HII's Mission ... Technologies Division Our team of more than 7,000 professionals worldwide delivers all-domain...leading the next evolution of national defense - the data evolution - by accelerating a breadth of national… more
    Huntington Ingalls Industries (12/04/25)
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  • Tactical Data Link (TDL) Analyst SME

    Leidos (Newport News, VA)
    …information exchange requirements (IERs). **Position requires ac** **urrent or** **Active DoD Top Secret /SCI security clearance.** As a Subject Matter Expert ... Leidos is seeking a highly skilled and experienced **Tactical Data Link (TDL) Analyst** to join our team...for AFSIB meetings. + **Clearance:** **Current or** **Active DoD Top Secret /SCI security clearance.** ​EIO2024 If you're… more
    Leidos (10/28/25)
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  • Policy Governance and Standards Systems Architect

    Leidos (Alexandria, VA)
    …BS degree and 8+ years of prior relevant experience. + US Citizenship with an active Top Secret ( TS ) / SCI clearance. + Experience with preparing executive ... at The Mark Center in Alexandria, VA and requires an active TS /SCI clearance to start.** **Primary Responsibilities:** + Perform complex and advanced architecture… more
    Leidos (10/18/25)
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  • Junior Security Control Assessor

    Leidos (Alexandria, VA)
    …Qualifications:** + Current DoD Secret clearance with ability to obtain Top Secret with SCI Eligibility (active TS or TS /SCI strongly preferred) + ... maximum starting salary for this role is $67,000.** A Secret clearance or higher and a IAT/IAM II certification...security expertise is properly applied. + Assist the SCA Team Lead with coordinating logistics, test plans,… more
    Leidos (11/18/25)
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  • Lead EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace and Defense company that ... execution of field events and prototype demonstrations Qualifications you must have: + Active Top Secret clearance with SCI eligibility + MS with 7+ years of… more
    RTX Corporation (11/05/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (Springfield, VA)
    …RQ208002 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... can't turn into opportunity. And our work depends on TS /SCI level cleared **Cyber Systems Engineer lll - ECDS**...cleared **Cyber Systems Engineer lll - ECDS** joining our team to support our Intelligence customer in **Springfield, VA… more
    General Dynamics Information Technology (12/30/25)
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  • Principal Systems Engineer

    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 ... Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi- disciplinary team of information technology… more
    V2X (11/25/25)
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  • Subcontracts Manager

    KBR (Chantilly, VA)
    …Experience with Deltek Costpoint is a plus. Candidates must possess an active Top Secret /Sensitive Compartmented Information ( TS /SCI) clearance or an ... degree and 10+ years of experience. Job Responsibilities: + Lead and manage a team of Subcontracts...and proposal activities to include but not limited to data calls, and cost proposals and pricing activities, including… more
    KBR (11/08/25)
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  • Lead Security Auditor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Auditor** **Clearance: Top Secret w/SCI eligbility** **Location: Alexandria, VA** **Start: Based on Contract Award** ... War (DoW) cybersecurity program. In this role, you will lead a team providing cyber compliance reporting,...Support the accessing, analyzing, and reporting of vulnerability remediation data from the Host Based Security System (HBSS), Assured… more
    Foxhole Technology, Inc (12/19/25)
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