• Senior Information Systems Security

    Leidos (Linthicum, MD)
    **Description** As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance ... Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a...of 14 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer more
    Leidos (12/14/25)
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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 ... the organization. How you will create an impact The Senior CrowdStrike Falcon Endpoint Security Engineer...believe you need a reasonable accommodation, please send an email to ###@aig.com. Functional Area: IT - Information Technology… more
    AIG (10/24/25)
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  • Senior Security Engineer

    Justworks (New York, NY)
    Senior Security Engineer (Enterprise) New... such as laptops security , mobile device security , browser management, email security and ... fit right in. Who You Are Justworks is looking for an experienced, hands-on Senior Security Engineer who can help drive the company's Security more
    Justworks (10/25/25)
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  • Senior Sales Engineer - Data…

    Proofpoint (Maryland City, MD)
    …critical role in our sales process every single day. As a ** Senior Sales Engineer ** in the fast-growing **Data Security Group (DSG)** you will be one of the ... located in the Eastern time zone. **Your day-to-day** The Senior Sales Engineer is the Technical Lead...Engineer and/or related areas; ideally in the **Data Security and Insider Risk areas** + Good understanding of… more
    Proofpoint (12/19/25)
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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 ... an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to...of your disability. You can request reasonable accommodations by calling ### or by sending an email to ###@costargroup.com… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Senior Security Engineer

    Quantexa (Virginia Beach, VA)
    …activities, and provide insight into adversary activity. + Manage advanced email security operations including analysis of phishing attempts, business ... including Wiz, Zscaler, Sentinel, and complementary detection tooling. + Engineer , tune, and maintain detection logic and security...experience in cybersecurity, with at least 7 years in senior or lead security roles. + Master's… more
    Quantexa (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** . 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 AI Security Engineer

    Mastercard (O'Fallon, MO)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Senior AI Security Engineer Job Description Summary As an ... Information Security Engineer specializing in AI Security , you will.... The Reasonable Accommodations team will respond to your email promptly. **Corporate Security Responsibility** All activities… more
    Mastercard (10/07/25)
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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 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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