• Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... As the security section grows, so will the tools and the ** Senior Security Engineer ** will be the person charged with implementing them. The successful… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior SaaS Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior SaaS Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... available, we provide an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to help us evolve our corporate environment to… more
    CoStar Realty Information, Inc. (11/04/25)
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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. (11/24/25)
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  • Senior Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer ** to join our team in **Chantilly, VA** . Senior Cyber ... Security Engineers are responsible for the quality of cyber security -related solution delivery, development, testing, and deployment in support of cyber … more
    ManTech (12/11/25)
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  • Senior Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports a ... professionals with strong technical expertise and a desire to shape the security infrastructure of the future. **Responsibilities include but are not limited to:**… more
    ManTech (12/13/25)
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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 ... the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match! Opportunity: We are building a team… more
    Virtual Service Operations (11/09/25)
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  • Senior Information System Security

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Information System Security ** ** Engineer ** Deliver ... enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the… more
    General Dynamics Information Technology (11/21/25)
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  • Senior Principal Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • Senior Information System Security

    ManTech (Chantilly, VA)
    **MANTECH** seek a motivated, career and customer-oriented ** Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, ... but are not limited to:** + Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements. + Design security more
    ManTech (01/01/26)
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  • Senior Splunk Cyber Security

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented ** Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, ... using centralized management tools + Maintaining and tuning Splunk Enterprise Security (ES) content and performance + Managing knowledge objects, data models,… more
    ManTech (12/30/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    Security , & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate ... transformative change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer ...and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not… more
    Amentum (12/05/25)
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  • Network Engineer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform ... technology into opportunity as a **Network Engineer Senior ( Security )** at GDIT. Shape what's next for mission-critical government projects while shaping… more
    General Dynamics Information Technology (12/09/25)
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  • Senior CrowdStrike Falcon Endpoint…

    AIG (Reston, VA)
    …AIG, we are reimagining the way we help customers to manage risk. Join us as a Senior CrowdStrike Falcon Endpoint Security Engineer to play your part in that ... across the organization. How you will create an impact The Senior CrowdStrike Falcon Endpoint Security Engineer will be part of AIG's Enterprise Information… more
    AIG (10/24/25)
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  • Information Systems Security

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ... highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security more
    CGI Technologies and Solutions, Inc. (12/26/25)
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  • Sr. Physical Security Engineer

    Amazon (Herndon, VA)
    …to determine your qualifications for this role. Amazon Web Services (AWS) is seeking a Senior Physical Security Engineer to join its data center design team. ... Seattle, Washington * Herndon, Virginia * Columbus, Ohio * Austin, Texas As a Senior Physical Security Engineer at AWS, you will lead security designs… more
    Amazon (12/31/25)
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  • ACTI Cyber Threat Exploitation Engineer

    Amazon (Herndon, VA)
    …USA | New York, NY, USA | Seattle, WA, USA Amazon is seeking an innovative Senior Security Engineer to join the Amazon Cyber Threat Intelligence (ACTI) team ... as a Cyber Threat Exploitation Engineer where you will leverage your in-depth knowledge and...trends and anomalies indicative of malicious activities * Create security techniques and automation for internal use that enable… more
    Amazon (12/31/25)
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  • Senior Cyber Risk Manager (Splunk…

    The MITRE Corporation (Mclean, VA)
    …within the Global Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on ... IT and cybersecurity technologies. + Proven ability to advise senior leadership on risk levels, security posture,...to advise senior leadership on risk levels, security posture, and policy changes. + Previous experience operating… more
    The MITRE Corporation (11/08/25)
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  • Senior Sales Engineer - SLED, Mid…

    Proofpoint (Reston, VA)
    …on technical experience, either as a Sales/Systems Engineer , Technical Account Manager, Security Engineer or senior level product support, preferably in ... in our sales process every single day. As a Senior Sales Engineer working with accounts in...most pressing cyber threats + Work closely with customer/prospect security staff for technical discovery, as well as planning,… more
    Proofpoint (12/25/25)
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  • Security Engineer

    Arena Technical Resources, LLC (Alexandria, VA)
    …Remote Eligibility: Candidate must possess an MBI (T2) clearance Job Description: As a Network Security Engineer Senior , the work you'll do will be impactful ... TO SUCCEED Bring your cyber expertise and drive for innovation. The Network Security Engineer Senior must have: * Education: Bachelor of Science *… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior SOAR Engineer

    Chenega Corporation (Oakton, VA)
    …response workflows, and enhancing the efficiency and effectiveness of the NOSC. The Senior SOAR Engineer collaborates with security engineers, analysts, ... **Req ID:** 38668 **Summary** ** Senior SOAR Engineer ** **Oakton, VA** Are...in support of their missions to sustain the national security and economic interests of our nation. SecuriGence is… more
    Chenega Corporation (12/23/25)
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