• 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...and application owners to solve technical problems at the network , system and application levels + Conduct periodic architectural… more
    Leidos (11/25/25)
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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 ... we provide an invaluable edge in real estate. We're hiring a **Senior SaaS Security Engineer** to help us evolve our corporate environment to enable our mission and… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Computer Sys Security Anlyst 3

    Huntington Ingalls Industries (Newport News, VA)
    COMPUTER SYS SECURITY ANLYST 3 Location: Newport News, Virginia, United States Date: Jan 8, 2026 Req ID: 44620 Team: E11 SUBMARINE ENGINEERING - ADVANCED PROPULSION ... recommendations for application design. Involved in a wide range of security issues including architectures, firewalls, electronic data traffic, and network more
    Huntington Ingalls Industries (01/09/26)
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  • Jr. Cyber Security Engineer

    V2X (Ashland, VA)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... challenges with integrity, respect, responsibility, and professionalism. As a Cyber Security Engineer with Air Force Golf Enterprise Solution (AFGES), you will… more
    V2X (12/04/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …Computer Systems Engineering, or related degree; or HS Diploma and 7+ years of network administration , network engineering, or systems administration ... experience. + 5+ years of directly relevant experience in network administration + Proficiency with multiple operating systems, including Linux/Unix and macOS +… more
    ARSIEM (11/12/25)
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  • Cyber Security Engineer (Elastic SME)

    CACI International (Hampton, VA)
    …_Desired:_ + AF DCGS experience + Four to seven years of Linux systems administration experience + Knowledge of security best practices and standards, including ... Cyber Security Engineer (Elastic SME) Job Category: Information Technology...trends. + Utilize extensive understanding of Linux command line administration . + Configure syslog, audit.d, and Windows audit policies.… more
    CACI International (12/24/25)
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  • Senior Cyber Security Engineer

    V2X (Ashland, VA)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... with integrity, respect, responsibility, and professionalism. As a Senior Cyber Security Engineer, you will be responsible for overseeing the Risk Management… more
    V2X (12/04/25)
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  • Sr. Governance and Events Specialist TS/SCI Poly

    Leidos (Mclean, VA)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods ... + TS/SCI with Polygraph level clearance is required. + Bachelor's degree in National Security , Foreign Affairs, Public Administration , or a related field. + 10+… more
    Leidos (12/12/25)
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  • Delivery Consultant - Security

    Amazon (Arlington, VA)
    …AWS Cloud. We work together with customer teams and the AWS Partner Network (APN) to execute enterprise cloud computing initiatives. Our team provides assistance ... with AWS Support and Managed Services, and meet objectives with AWS Security Assurance Services. Our expertise and emerging technologies include AWS Partners, AWS… more
    Amazon (01/05/26)
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  • Security Officer, Majestic

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $40,562.00 - $83,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides ... cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely… more
    Huntington Ingalls Industries (12/17/25)
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