• Sr . Security Engineer

    Amazon (Arlington, VA)
    …to work out of one of the following locations: Arlington, VA, USA As a Senior Security Engineer in the Defensive Security team, you will play a ... Services Security (CPSS) organization is looking for a Senior Security Engineer to join it's Defensive Security team. CPSS is responsible… more
    Amazon (10/03/25)
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  • Full Spectrum Cyber Sr . Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …your career while impacting our national security in cyber as a Cybersecurity Engineer Sr Principal at GDIT. Here, technologists have many paths to grow a ... Family:** Cyber and IT Risk Management **Skills:** Cybersecurity,Information Technology Security , Security Technologies **Experience:** 15 + years of... ENGINEER SR PRINCIPAL Advance… more
    General Dynamics Information Technology (09/30/25)
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  • Sr . Sales Engineer - TS/SCI with FS…

    Optiv (Herndon, VA)
    …DC metropolitan area._ Optiv + ClearShark has an opportunity available for a full time Sr . Sales Engineer (SE) to support our sales efforts for the DISA/4th ... Deployment, Data Center, and/or Network Automation. By combining advanced business and security practitioner knowledge, the Senior SE designs security more
    Optiv (10/04/25)
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  • Senior Cyber Security

    Leidos (Chantilly, VA)
    **Description** Leidos is currently seeking a ** Senior Cyber Security Engineer ** who is responsible for developing and implementing advanced security ... and hardware to support the design and deployment of defensive cyber measures. The engineer conducts research...risks to critical mission systems. + Design and implement defensive cyber security solutions to protect data,… more
    Leidos (08/30/25)
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  • Senior Information Security

    Lumen (Washington, DC)
    …us as we digitally connect the world and shape the future. **The Role** The Senior Information Security Engineer within Product and Platform Security ... those leveraging AI-driven threat vectors, to evaluate and improve Lumen's defensive capabilities. Additionally, the engineer is responsible for assisting… more
    Lumen (09/17/25)
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  • Senior Offensive Security

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global ... an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing...the vulnerabilities. The ability to explain the exploit to senior level management is key to success in this… more
    CoStar Realty Information, Inc. (08/26/25)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take ... next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see... innovative solutions to support ongoing Cyber Threat and Defensive Operations. + Provide functional expertise and technical recommendations… more
    Virtual Service Operations (10/04/25)
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  • Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    501180 Senior SETA Engineer SME Work Location: Falls Church, Virginia Schedule: Full Time Relocation: Negotiable IMS is seeking a Senior SETA Engineer ... and data. Evaluate the electromagnetic and digital effects of offensive and defensive information warfare to quantify the effectiveness of prototypes for military… more
    IronMountain Solutions, Inc. (07/22/25)
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  • Senior Threat Intelligence Engineer

    CVS Health (Washington, DC)
    …all with heart, each and every day. **POSITION SUMMARY** CVS Health is seeking a Senior Threat Intelligence Engineer to be part of the Cyber Threat Intelligence ... feeds to provide actionable threat indicators as well as recommending suitable defensive solutions. In addition, you will also engineer various Threat… more
    CVS Health (09/26/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Herndon, VA)
    …sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer Job Code: 28926 Job Location: Herndon, VA Job ... is available to qualified applicants Job Description: The Advanced Concept Engineer (ACE) provides strategic technical leadership to draw on L3Harris' technical… more
    L3Harris (10/05/25)
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  • Chief Engineer Cyber IT Program

    BAE Systems (Sterling, VA)
    …Technologies with challenging national security missions? The BAE Intelligence & Security Sector is seeking a Chief Engineer responsible for leading Cyber ... directly supports the Government mission IT organization. The Chief Engineer leads a small team of core technical subject...as: + Identity and Access Management + Cross Domain Security + Defensive Cyber strategies + Cyber… more
    BAE Systems (09/09/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    …high-impact environment requiring deep knowledge of network stacks, system internals, and offensive/ defensive cyber techniques. As a senior member of the team, ... **Description** Are you a motivated **Cyber Software Engineer ** with technical hands-on knowledge of mission focused...ethical hacker ready to apply your knowledge to National Security ? Join us at the Leidos Innovations Center, Information… more
    Leidos (08/08/25)
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  • System Engineer Principal Uscybercom SETA…

    Sciolex Corporation (Chantilly, VA)
    …for USCYBERCOM and the NRO. Make a difference in securing our nation's security through quality Outreach support of NRO's tools and capabilities. + The ideal ... Joint Staff and the NRO and provide briefings for senior decision makers. + Support efforts regarding Space Cyber...efforts regarding Space Cyber Vulnerabilities assessments and development of Defensive Cyber Policy for the NRO + Work to… more
    Sciolex Corporation (07/16/25)
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  • Junior Information Security Analyst

    System One (Springfield, VA)
    …to senior GDIT and government personnel on overall program security posture. * Communicate tactical and strategic threat information to Government leadership, ... positions and/or performing functional duties under the oversight of more senior positions. Mandatory Skills: * Certified Computer Security Incident Response… more
    System One (09/25/25)
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  • Red Team Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …language weaknesses and vulnerabilities, cyber red teaming, network penetration testing, security operations center analysis, defensive cyber operations, or ... Parsons is looking for a talented **Red Cyber** **Software Engineer ** to join our growing team! **What You'll Be...years of relevant experience, including software development and offensive security + Bachelors degree in a relevant field +… more
    Parsons Corporation (08/25/25)
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