• Cybersecurity Engineer

    ManTech (Herndon, VA)
    security tools, and a proactive approach to identifying and mitigating risks. The Cyber Security Engineer reports directly to the Senior Cyber ... posture of our network infrastructure, systems, and data. The Cyber Engineer plays a key role in...threat hunting, vulnerability management, and the implementation of security controls to protect against evolving cyber more
    ManTech (09/11/25)
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  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be expected to:...and Ethical Hacking, SEC564 - Red Team Operations and Threat Emulation 3. OSD Sponsored Cyber Operation… more
    Imagine One Technology & Management (09/24/25)
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  • Systems Engineer (SME)

    GovCIO (Alexandria, VA)
    …Leverages technical knowledge of computer systems and networks with cyber threat information to assess the client's security posture + Conducts intelligence ... **Overview** GovCIO is currently hiring a Systems Engineer (SME) to support our newly awarded United...of current cyber threats and adversaries. Develops cyber threat profiles based on geographic region,… more
    GovCIO (09/27/25)
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  • Security Engineer - Secure Software…

    Sedgwick (Alexandria, VA)
    …as a Great Place to Work(R) Fortune Best Workplaces in Financial Services & Insurance Security Engineer - Secure Software Development Security Engineer - ... data, networks, and computer systems. To focus on executing security fundamentals for threat detection, investigation, and...Designs computer security architecture and develops detailed cyber security designs. + Prepares and documents… more
    Sedgwick (09/10/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider ... + Lead purple team activities in collaboration with our threat management and defensive blue teams including adversary emulation...or college (preferably in a relevant field - Computer Science/ Cyber Security ) + A track record of… more
    CoStar Realty Information, Inc. (08/26/25)
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  • CyberSecurity AI Engineer

    Nelnet (Richmond, VA)
    …or a related field of study. **EXPERIENCE:** + 3-5 years in a cybersecurity, security engineering, or threat detection role. + Hands-on experience with machine ... where they live, learn, and work. The Cybersecurity AI Engineer at Nelnet plays a critical role in securing...red teaming is preferred. + Experience with SIEM platforms, threat detection tools, or security automation frameworks.… more
    Nelnet (08/08/25)
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  • AI/ML Software Engineer

    Rite-Solutions Inc. (Dahlgren, VA)
    …developing and performing modeling and simulation in support of different cyber threat scenarios. Additionally, program support includes developing methodology ... the opportunity to work and grow your expertise with a team of software engineering and cyber security experts working to tackle the cyber defense issues of… more
    Rite-Solutions Inc. (09/02/25)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …+ Bachelor's degree desired ** Security Requirements:** + Active DoD Top Secret security clearance 1. One (1) engineer will require a TS/SCI clearance Imagine ... this role.** Imagine One Technology & Management, Ltd. is seeking two (2) ** Security Engineers.** This position is contingent upon award of the associated work and… more
    Imagine One Technology & Management (09/24/25)
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  • SAP NS2 Sr. Security Automation…

    SAP (Herndon, VA)
    …+ Continuous learning mindset to stay current with the tools and the rapidly evolving cyber threat landscap + Motivated with a positive attitude and a strong ... leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US..._._ We offer SAP solutions with specialized levels of security and support to meet the requirements of US… more
    SAP (07/25/25)
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  • Senior Cybersecurity Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior** ** Cyber Security Engineer ** to join our team in the **DC, Maryland, and Virginia (DMV) ... **Responsibilities include but are not limited to:** + Conduct in-depth analysis of cyber security tools, applications, and methodology to maximize and optimize… more
    ManTech (08/19/25)
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