• 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 ... knowledge on a highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and… more
    CGI Technologies and Solutions, Inc. (12/26/25)
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  • Information System Security

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

    General Dynamics Information Technology (Reston, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** ** Information System Security ** ** Engineer ** Deliver security ... enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions… more
    General Dynamics Information Technology (11/21/25)
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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… more
    Virtual Service Operations (11/09/25)
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  • Senior Information Systems…

    Amentum (Warrenton, VA)
    …change. **Responsibilities:** The duties and responsibilities of the ** Senior Information System Security Engineer (ISSE)** include, but are ... allow essential processes to continue uninterrupted. + Administration/operation of information security compliance tools/platforms with a special concentration… more
    Amentum (01/09/26)
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  • Senior Cyber Risk Manager (Splunk…

    The MITRE Corporation (Mclean, VA)
    Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified ... MITRE - and make a difference with us. The Information System Security Department (R311) within the...IT and cybersecurity technologies. + Proven ability to advise senior leadership on risk levels, security posture,… more
    The MITRE Corporation (11/08/25)
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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....VPN, DMVPN, etc) to resolve problems on the customer information system. + Analyze, plan, and implement access control… more
    General Dynamics Information Technology (12/09/25)
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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 ... information , analytics, and online marketplaces. Included in the S&P...an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to… more
    CoStar Realty Information, Inc. (11/04/25)
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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 ... section grows, so will the tools and the ** Senior Security Engineer ** will be...Incident Handler (CEIH) or equivalent + 6+ years in Information Security + Scripting/programming skills (Perl, Python,… more
    CoStar Realty Information, Inc. (10/24/25)
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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 ... provider of commercial and residential real estate information , analytics, and online marketplaces. Included in the S&P...an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Senior CrowdStrike Falcon Endpoint…

    AIG (Reston, VA)
    …will create an impact The Senior CrowdStrike Falcon Endpoint Security Engineer will be part of AIG's Enterprise Information Security Organization, ... help customers to manage risk. Join us as a Senior CrowdStrike Falcon Endpoint Security Engineer...valued member of the team. Make your mark in Information Technology At AIG, technology is at the heart… more
    AIG (10/24/25)
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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 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 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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  • Network Access Control Engineer

    General Dynamics Information Technology (Alexandria, VA)
    …while impacting our national security in cyber as a **Network Access Control Engineer Senior ** at GDIT. Here, technologists have many paths to grow a ... seeking a highly skilled and experienced **Network Access Control Engineer Senior ** with specialized knowledge in Cisco...Science Experience:** 5+ years of related experience in network engineer and security , with a focus on… more
    General Dynamics Information Technology (01/13/26)
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  • DS (Distribution Systems) Engineer / DS…

    General Dynamics Information Technology (Fairfax, VA)
    …help support our upcoming BIM contract. These levels include DS (Distribution Systems) Engineer , DS (Distribution Systems) Engineer Senior , and DS ... our clients' biggest challenges HOW A DS (Distribution Systems) ENGINEER SENIOR WILL MAKE AN IMPACT Field...Experience using MS Visio or related CAD tools * Security Clearance Level: Active DoD Secret Level Clearance required… more
    General Dynamics Information Technology (10/30/25)
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  • Senior Cloud Data Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …years of related experience **Job Description:** Job Description Own the opportunity as a ** Senior Cloud Data Engineer ** and help ensure the mission is never ... obstacle. At GDIT, people are our differentiator. As a ** Senior Cloud Data Engineer ,** you will help...and physical data models** + Maintains the integrity and security of systems + Maintains all documentation + Supports… more
    General Dynamics Information Technology (01/13/26)
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  • Senior Infrastructure Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …Description:** **GDIT is** **seeking** **a** ** Senior ** **Infras** **t** **ructure Engineer ** **to** **Defense Information Systems Agency (DISA) Global Video ... None **Job Family:** IT Infrastructure and Operations **Skills:** Documentations,Enterprise IT, Information Technology Operations,Microsoft Office,Private Clouds **Certifications:** CompTIA Security more
    General Dynamics Information Technology (12/14/25)
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  • Senior Network Engineer

    General Dynamics Information Technology (Springfield, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** **GDIT is seeking a Senior Network Engineer to help support our Defense Logistics Agency ... a week or based on mission need.** **As a Senior Network Engineer , you will support network...leu of degree.** **Experience:** **5+ years of related experience.** ** Security clearance level:** **Active Secret with favorable Tier 5… more
    General Dynamics Information Technology (12/14/25)
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