• 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 Cyber Security Engineer

    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 security efforts.… more
    ManTech (12/11/25)
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  • Cloud Security Engineer

    Leidos (VA)
    …to patient safety, this opportunity is your next career move. The **Cloud Security Engineer ** will design, implement, and maintain security solutions ... as securing IVR systems like Amazon Connect. The Cloud Security Engineer will collaborate with cross-functional teams...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (12/30/25)
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  • Edge Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Edge Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... in real estate. We are seeking a skilled **Edge Security Engineer ** to join our Product ...of your disability. You can request reasonable accommodations by calling ### or by sending an email to ###@costargroup.com… more
    CoStar Realty Information, Inc. (12/18/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    **Description** The Digital Modernization Sector at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office. This is an exciting ... deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (12/11/25)
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  • Security Engineer (Wiz and TVM…

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The Security ... risk views. + Track progress against regulatory and internal security baselines (eg, CIS Benchmarks). + Operate and maintain...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (11/25/25)
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  • Senior Offensive Security Engineer

    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 ... an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing...of your disability. You can request reasonable accommodations by calling ### or by sending an email to ###@costargroup.com… more
    CoStar Realty Information, Inc. (11/24/25)
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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 the person charged...of your disability. You can request reasonable accommodations by calling ### or by sending an email to ###@costargroup.com… more
    CoStar Realty Information, Inc. (10/24/25)
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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, you ... 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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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Next-Generation Firewalls (NGFWs), Intrusion Detection/Prevention Systems (IDS/IPS), F5 platforms, email /web security gateways + Strong technical background with… more
    CACI International (11/14/25)
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