• Senior Cyber Security Engineer

    ManTech (Reston, VA)
    MANTECH seeks a motivated, career and customer-oriented **Senior Cyber** ** Security Engineer** to join our team **onsite** in **Herndon, VA or Reston, VA** to ... design , implement, and maintain secure environments that align with...customer's accreditation process for ATO + Work closely with Security Engineers to ensure security solutions are… more
    ManTech (08/20/25)
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  • Sr. Network Development Engineer, ADC Network…

    Amazon (Herndon, VA)
    Description AWS Infrastructure Services owns the design , planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who ... team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with… more
    Amazon (09/26/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …and security vulnerabilities, organizing and maintaining awareness of both physical and logical placement of network nodes within a network; identifying software ... Information System Security Engineer (ISSE) About the Organization Established in...plan with employee contribution. Responsibilities Include: Providing support to design , develop, and maintain the client's systems compliance with… more
    Assertive Professionals (10/09/25)
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  • Senior Personnel Security Specialist Level…

    Amentum (Springfield, VA)
    …+ Design and develop report capabilities, generate reports containing security metrics and other statistical information; and further prepare and present ... Amentum is seeking a **Senior Personnel Security Specialist Level 4** to support the National...national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of… more
    Amentum (10/08/25)
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  • Security Engineer I, Corporate Services…

    Amazon (Arlington, VA)
    …detect and prevent cybersecurity attacks and anomalies - Advanced knowledge in network security design , TCP/IP protocols and topology, and network security ... areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores Inclusive Team Culture In Amazon Security... physical stores Inclusive Team Culture In Amazon Security , it's in our nature to learn and be… more
    Amazon (10/02/25)
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  • Vice President, Business Security Officer…

    Mastercard (Arlington, VA)
    …and governments realize their greatest potential._ **Title and Summary** Vice President, Business Security Officer for Data and AI Who is Mastercard? Mastercard is a ... possibilities for all. Mission First, People Always As Corporate Security , we are responsible for keeping Mastercard safe and...for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the… more
    Mastercard (09/30/25)
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  • Security Engineer II, Threat Hunting,…

    Amazon (Arlington, VA)
    Description Amazon Security is looking for an experienced Security Engineer who is excited by the idea of searching for undetected threat activities at petabyte ... In this role, you will work alongside a team of world class security practitioners and develop novel threat detection and mitigation strategies. Our Threat Hunting… more
    Amazon (09/26/25)
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  • Information System Security Officer

    ManTech (Stafford, VA)
    …assessments of planned and installed systems + Participate in network and systems design to ensure implementation of appropriate security policies and practices ... MANTECH seeks an Information System Security Officer to support the Marine Corps Warfighting...Requirements:** + Candidate must have a current/active TS/SCI clearance ** Physical Requirements:** + The person in this position must… more
    ManTech (09/26/25)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …this role.** Imagine One Technology & Management, Ltd. is seeking two (2) ** Security Engineers.** This position is contingent upon award of the associated work and ... will be performed in Dahlgren, Virginia. The ** Security Engineers** will be expected to: + Author DoD...per DoDI 8500.2. + Research and recommend logical and physical solutions that prevent, detect and correct the system… more
    Imagine One Technology & Management (09/24/25)
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  • Security Incident Response Engineer, AWS,…

    Amazon (Herndon, VA)
    …variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. Inclusive Team Culture In Amazon Security , it's in ... Amazon Web Services team is looking for a passionate Security Incident Response Engineer who can lead the response...your creative and critical problem solving skills to quickly design and build tooling that enables programmatic automation at… more
    Amazon (09/19/25)
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