• 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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  • Senior Associate, Physical Security

    Capital One (Mclean, VA)
    Senior Associate, Physical Security Engineer , Global Workplace Services **At Capital One, we dare to dream, disrupt and deliver a better way. Our goal is ... a well-oiled machine! That's why our team is looking to add a Senior Associate, Physical Security Engineer .** **As a Physical Security Engineer ,… more
    Capital One (11/04/25)
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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 Systems Security

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior ** **Information Systems Security Engineer ** for a program with the US Coast Guard. This position will be ... $165,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7179/ senior -information-systems- security - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID**… more
    GovCIO (11/26/25)
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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 (12/13/25)
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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

    BAE Systems (Sterling, VA)
    …may be available based on position level and/or job specifics. **Information Systems Security Engineer ( Senior )- ISSE** **115935BR** EEO Career Site Equal ... and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the… more
    BAE Systems (11/21/25)
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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. (09/26/25)
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  • Senior Product Security

    Navy Federal Credit Union (Vienna, VA)
    Overview To embed security seamlessly into the product development lifecycle. Work with development and engineering teams across the enterprise to enhance the ... security of our applications through automation, security reviews, and DevSecOps best practices. Collaborate with NFCU teams and vendors to determine security more
    Navy Federal Credit Union (11/16/25)
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  • Lead Security Engineer

    Leidos (Reston, VA)
    security into every phase of the System Development Life Cycle (SDLC). As the ** Senior Security Engineer ** , you will define the security posture, ... automate workloads, and pursue next-generation innovation. We are seeking a Security Engineer to serve as a technical leader for our critical cloud… more
    Leidos (12/20/25)
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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 (10/01/25)
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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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