• Senior Security Engineer

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Senior Security Engineer for a new customer on a highly-visible and strategic Cybersecurity Task Order. ... The Senior Security Engineer will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment and the ability… more
    Leidos (12/12/25)
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  • Artificial Intelligence Senior

    Bank of America (Washington, DC)
    Artificial Intelligence Senior Security Engineer Chicago, Illinois;Washington, District of Columbia; Boston, Massachusetts; Denver, Colorado **To proceed ... Information Security (GIS) team is seeking a Cyber Threat Defense AI Security Senior Engineer to drive the integration of advanced AI technologies into… more
    Bank of America (11/13/25)
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  • Senior Security Engineer

    System One (Washington, DC)
    Job Title: Senior Security Engineer Location: Washington, DC (100% onsite) Type: Contract Security Clearance: Public Trust Senior Security ... who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and infrastructure. These information… more
    System One (12/14/25)
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  • 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 Network Security

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... of Travel: Local * * * **Exciting Opportunity: Join Our Team as a Senior Network Security Engineer !** Are you passionate about network security and eager… more
    CACI International (12/12/25)
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  • Senior Network Security

    CACI International (Columbia, MD)
    Senior Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... career to the next level? We are seeking a highly skilled Network Security Engineer to join our dynamic Network Security Implementation and Sustainment… more
    CACI International (12/06/25)
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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 Principal Security

    Oracle (Washington, DC)
    …**What are we looking for?** The OCI Core Services organization is looking for a Senior Principal Security Engineer that will be the technical security ... and libraries. **Preferred Qualifications** + Prior role as a Principal or Senior Principal Security Engineer at a major cloud provider (OCI, AWS, Azure,… more
    Oracle (11/25/25)
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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 Security Operations…

    Microsoft Corporation (Reston, VA)
    …a technical leader within the security engineering team. We are looking for a ** Senior Security Operations Engineer ** who will help build and run the ... may indicate potential security issues. + Raises identified security concerns with senior members of the team to discuss mitigation strategy proposals. +… more
    Microsoft Corporation (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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  • Security Engineer - Senior

    ABBTECH Professional Resources, Inc. (Washington, DC)
    Senior Security Engineer to supporting the client by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate ... maintaining and enhancing the security posture and the client's information systems and infrastructure. Top Qualifications, Skills, Experience or Certifications: 1.… more
    ABBTECH Professional Resources, Inc. (12/11/25)
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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 Information Systems Security

    Belay Technologies (Laurel, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Information Systems Security Engineer (ISSE) to join our intel team. ... The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established… more
    Belay Technologies (12/08/25)
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  • Mid/ Senior Information Systems…

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is Mid/ Senior Information Systems Security Engineer (ISSE) to join our intel team. ... have experience working in these areas: + Validating and verifying system security requirements and establishing system security designs for large-scale systems,… more
    Belay Technologies (11/06/25)
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