• Lead Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... the security section grows, so will the tools and the ** Lead Security Engineer** will be the person charged with implementing them. The successful candidate… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Lead Security Assessor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer - Reviewer** **Clearance: Top Secret with SCI eligibility** **Location: Alexandria, VA** **Start: Based on ... organization and around the world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of War (DoW) cybersecurity program. In… more
    Foxhole Technology, Inc (12/19/25)
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  • Authorization & Accreditation (A&A) Program…

    ICF (Alexandria, VA)
    …ACAS, STIG Viewer, and other DoD assessment tools. + Demonstrated ability to lead security authorization efforts across hybrid and cloud environments. + ... ICF is seeking an experienced Authorization & Accreditation (A&A) Program Lead to support a Defense Human Resources Activity (DHRA) cybersecurity program.… more
    ICF (10/31/25)
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  • Lead Security Engineer

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer** **Clearance: Top Secret w/SCI eligibility** **Location: Alexandria, VA** **Start: Based on Contract Award** ... organization and around the world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of War (DoW) cybersecurity program. In… more
    Foxhole Technology, Inc (12/19/25)
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  • Lead Security Auditor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Auditor** **Clearance: Top Secret w/SCI eligbility** **Location: Alexandria, VA** **Start: Based on Contract Award** ... the organization and around the world **.** We are seeking a mission-focused Lead Security Auditor to support a Department of War (DoW) cybersecurity program. In… more
    Foxhole Technology, Inc (12/19/25)
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  • Lead Security Engineer

    Foxhole Technology, Inc (Leesburg, VA)
    **Overview** **Job Title: Lead Security Engineer** **Clearance: Secret** **Location: Leesburg, VA -Hybrid (Onsite 3 days per week)** Foxhole Technology provides ... organization and around the world **.** We are seeking a mission-focused Lead Security Engineer to support a Department of Defense (DoD) cybersecurity program.… more
    Foxhole Technology, Inc (12/19/25)
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  • Lead Security and Compliance Manager

    ManTech (Herndon, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Lead Security & Compliance Manager (LSCM)** to join our team in **Herndon, VA** . This is a hybrid ... This role is responsible for the overall management and operation of security operations, ensuring compliance with our government client's policies. The support for… more
    ManTech (12/23/25)
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  • Endpoint Security Engineer Lead

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a lead Endpoint Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The ... Security Engineer will need to be a self-starter with...ensure full coverage across all endpoints. + Incident Response: Lead and participate in the investigation and response to… more
    Leidos (11/25/25)
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  • Lead Adversarial Security Engineer

    Trellix (Richmond, VA)
    **_Job Title:_** Lead Adversarial Security Engineer **About** **Trellix:** **Trellix, the trusted CISO ally, is redefining the future of cybersecurity and ... https://www.trellix.com/ . **_Role Overview:_** Trellix is seeking an Adversarial Security Engineer to lead the evolution of its cybersecurity posture. This is a… more
    Trellix (11/21/25)
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  • Lead Information Security Engineer

    Lumen (Herndon, VA)
    …customers on worldwide DDoS threats and issue posture and assessment reports This Lead Information Security Engineer position operates in a supportive role ... trouble / change requests for the Lumen managed DDoS product. The Lead Information Security Engineer is expected to perform as technical lead , including… more
    Lumen (12/10/25)
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