• Windows Security Researcher

    ARSIEM (Annapolis Junction, MD)
    …to have an impact on every client you work with. ARSIEM is currently looking for a Windows Security Researcher 3 . The positions will support one of ... our Government clients in Annapolis Junction, MD. Responsibilities + Perform security research against Windows technologies. + Demonstrate the latest… more
    ARSIEM (11/07/25)
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  • Windows Vulnerability Researcher

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …cyber effects missions. Perform advanced vulnerability research across Windows kernel, user-mode components, Hyper-V, and hardware-assisted security ... Windows Vulnerability Researcher Key Role: Deliver...US citizen ship is required . Basic Qualifications: + 3 + years of experience in vulnerability research ,… more
    BOOZ, ALLEN & HAMILTON, INC. (11/22/25)
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  • Security Systems Tech Specialist 3

    M. C. Dean (District Of Columbia, DC)
    …of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Security Systems Tech Specialist 3 ** to join our Security ... physical security and IT systems. As a ** Security Systems Tech Specialist 3 ** you will... posture across all systems implemented and managed. + Research , prototype, and develop emerging technologies by working closely… more
    M. C. Dean (11/01/25)
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  • Cyber Systems Engineer - level 3 or 4

    Northrop Grumman (Dulles, VA)
    …in a STEM field with 3 years of cyber systems experience _(excluding internships, research projects, etc)_ + PhD degree in a STEM field with 1 year of cyber ... Systems is seeking a _Cyber Systems Engineer - level 3 or 4 to_ join our team of qualified,...other Friday off. **Position Description** : A Cyber Systems Security Engineering position requires demonstrated technical accomplishments in securing… more
    Northrop Grumman (11/18/25)
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  • Systems Engineer 3 - Washington

    M. C. Dean (District Of Columbia, DC)
    …electrical, engineering, and cybersecurity industries. We are seeking an **Systems** **Engineer 3 ** to join our ** Security and Electronic Systems (SES)** ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (11/26/25)
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  • Information System Security Eng (ISSE) III

    Global Resource Solutions (Arlington, VA)
    …detail orientated, and talented individual for the position of Information System Security Engineer III. Job Description: Summary: The Information System Security ... Engineer (ISSE) III, is primarily responsible for conducting information system security engineering activities with a focus on lifecycle of current systems and… more
    Global Resource Solutions (09/26/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …our physical security infrastructure. You will also be involved in research and development (R&D) for new technologies, updates, and improvements to our ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (10/23/25)
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  • Nucleus Security Engineer

    Leidos (Arlington, VA)
    …Nucleus automation engine or scripting (Python, Shell). + Threat Research : Research and assess new and emerging security threats and vulnerabilities, ... a plus** ). + Cybersecurity Knowledge: Understanding of network security protocols, system administration (Linux/ Windows ), cloud environments,...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (11/25/25)
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  • Senior Principal Offensive Security

    Oracle (Washington, DC)
    …we communicate to customers. The Offensive Security group performs security assessments, vulnerability research , static and dynamic analysis research ... code-coverage analysis + Several different hypervisors + Linux and Windows kernel mode non-sense + The list goes on...in a large cloud or software company + Extensive research or experience with multiple classes of security more
    Oracle (11/25/25)
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  • Summer 2026 Liberty and National Security

    Brennan Center for Justice (Washington, DC)
    …is in-person at our Washington DC office. Responsibilities: The Liberty and National Security Program (LNS) interns typically conduct research on program issues, ... from ending mass incarceration to preserving Constitutional protections in national security policies. Part think-tank, part advocacy group, part cutting edge… more
    Brennan Center for Justice (11/06/25)
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  • Red Team Security Consultant, Mandiant,…

    Google (Reston, VA)
    Red Team Security Consultant, Mandiant, Google Cloud _corporate_fare_ Google _place_ Reston, VA, USA; Atlanta, GA, USA; +11 more; +10 more _laptop_windows_ Remote ... Cybersecurity, related technical field, or equivalent practical experience. + 3 years of experience with penetration testing and red...with tools used for wireless, web application, and network security testing. + Ability to travel up to 30%… more
    Google (11/18/25)
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  • Subject Matter Expert Satellite 3

    ARSIEM (Annapolis Junction, MD)
    …on every client you work with. ARSIEM seeks a Subject Matter Expert Satellite 3 . This position will support one of our government clients in Annapolis Junction, ... Act as subject matter expert for system architecture, enterprise security , adaptive systems, and cyber analytic techniques. + Devise...technical lead. + Five (5) years of experience with Windows and Linux Operating System experience. + Two (2)… more
    ARSIEM (10/14/25)
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  • Endpoint Security Engineer Lead…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The ... Security Engineer will need to be a self-starter with...and threat analysis. + Solid understanding of operating systems ( Windows , Linux, macOS). + Superior attention to detail with… more
    Leidos (11/25/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Security ) + A track record of commitment to prior employers + 3 years of experience performing offensive security activities such as red teaming, ... Senior Offensive Security Engineer Job Description **Offensive Security ...penetration testing, and vulnerability research + 6 years of total experience in a… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Security Operations Engineer

    The US Pharmacopeial Convention (USP) (Rockville, MD)
    …Computer Science, Information Security , or a related field with at least 3 years of experience** in information security operations, including at least three ... professional development, and leadership opportunities. Our partnerships, standards, and research reflect our belief that ensuring broad participation in scientific… more
    The US Pharmacopeial Convention (USP) (09/02/25)
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  • Network Engineer 3 - Washington

    M. C. Dean (District Of Columbia, DC)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **Network Engineer 3 ** to join our ** Security and Electronic Systems (SES)** business ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (11/26/25)
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  • App Hosting - DevOps Engineer

    Ford Motor Company (Washington, DC)
    …the Windows Server Operating System platform_ 1. _Review and evaluate monthly Windows Security updates for Microsoft Server Operating system and determine a ... brainstorming._ 3 . _50% individual work: pulling stories from backlog, research , POC, trying out solutions and delivering automation code._ + _High school… more
    Ford Motor Company (11/26/25)
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  • Systems Administrator 3

    Nightwing (Annapolis Junction, MD)
    …cyber space operations, cyber defense and resiliency, vulnerability research , ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Nightwing (09/22/25)
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  • Systems Administrator / Top Secret / Onsite:

    Lockheed Martin (Arlington, VA)
    …The Advanced Technology Laboratories Business Operations team drives breakthrough research and development across multiple engineering and scientific disciplines\. ... secure, and high performance IT services that enable breakthrough research and development\. Your responsibilities will include: *Select, install, configure,… more
    Lockheed Martin (10/22/25)
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  • Principal Systems Engineer - active TS/SCI…

    V2X (Suitland, MD)
    …Productivity and Global Information Assurance Certification (GIAC) GIAC Certified Windows Security Administrator (GCWN) certified. + Technical certifications ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (11/15/25)
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