• 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 ... or college (preferably in a relevant field - Computer Science/ Cyber Security ) + A track record of...of total experience in a technical role such as security , networking, systems, or software development +… more
    CoStar Realty Information, Inc. (08/26/25)
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  • Cybersecurity Engineer Lead

    Washington Metropolitan Area Transit Authority (VA)
    …Manager (ISSM) for Engineering and serves as the lead Information System Security Engineer (ISSE), responsible for designing and implementing secure ... and four (4) years of experience as a cybersecurity engineer or Information System Security Engineer...oversight for the employment of best practices when implementing security controls within systems including software engineering… more
    Washington Metropolitan Area Transit Authority (11/05/25)
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  • Expert Security Engineer

    Amentum (Springfield, VA)
    …, & Intel space? If so, look no further. Amentum is seeking an **Expert Security Engineer ** to join our team of passionate individuals in **Springfield, VA** . ... projects that make a direct impact on the Nation's security and intelligence mission. **Responsibilities:** * Bridge the gap...exercises and maintain all associated documentation * Management of software in use and updates as required * Evaluate… more
    Amentum (11/14/25)
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  • Senior Information System Security

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.** ... Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional… more
    ManTech (11/12/25)
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  • Senior Information Systems Security

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a **Senior** **Information Systems Security Engineer ** for a program with the US Coast Guard. This position will be ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7062/senior-information-systems- security - engineer -%28sme%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID** _2025-7062_… more
    GovCIO (11/07/25)
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  • IT Systems Security Engineer

    SAIC (Springfield, VA)
    **Description** SAIC is seeking a well-qualified Security Engineer to join an exciting program supporting our customer's Office of Security . This position is ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (10/07/25)
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  • Cybersecurity Automation Engineer

    General Dynamics Information Technology (Falls Church, VA)
    …(T2) **Job Family:** Cyber and IT Risk Management **Skills:** Cyber Defense,Information Technology Security , Security Architecture Design **Experience:** ... to make a personal impact as a **Cybersecurity Automation Engineer ** supporting the United States Postal Service. GDIT is...this role, a typical day will include: + Analyzing software systems and developing automated solutions for security more
    General Dynamics Information Technology (11/05/25)
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  • Test Engineer

    Nightwing (Sterling, VA)
    …such as Test Analyst, Technical Test Analyst, or Test Manager. + Certified Software Test Engineer (CSTE): A professional credential validating expertise in ... Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission...software testing principles and practices. + Certified Software Quality Engineer (CSQE): Focuses on … more
    Nightwing (09/26/25)
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  • Cybersecurity Project Engineer

    Nightwing (Sterling, VA)
    …Sterling, VA Clearance: TS/SCI Poly **This position is CONTINGENT upon contract award** The Cyber Security Project Engineer (CSE) supports the LSA to ... systems, anti-malware software ). + Knowledge of operating systems and their security configurations. + Familiarity with security protocols and standards (eg,… more
    Nightwing (09/26/25)
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  • Systems Engineer ( Engineer Systems…

    HII (Suffolk, VA)
    …the year. This position ensures that Joint Staff and JSA-developed systems and software are up to date, cyber compliant, and consistently available for ... a short video: https://vimeo.com/732533072 Who We Are The Systems Engineer will be a key technical contributor to a...in maintaining accreditation and compliance documentation in coordination with cyber and security teams. * Manage user… more
    HII (10/27/25)
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