• Senior Security Engineer

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Senior Security Engineer for a new customer on a highly-visible and strategic Cybersecurity Task Order. ... The Senior Security Engineer will need...resolution steps taken) for Root Cause analysis, engineering technical assessment and process improvement initiatives + Communicate security… more
    Leidos (12/12/25)
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  • Senior Cyber Security…

    CACI International (Norfolk, VA)
    Senior Cyber Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... US * * * CACI is aggressively seeking a Senior Cyber Security Engineer to...or unauthorized access. + Maintaining network devices and information security incident, damage and threat assessment programs… more
    CACI International (10/18/25)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take ... next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see...recommendations to ISSOs, ISSEs, and ISSMs. + Automate threat assessment , posture reporting, and system monitoring activities. + Analyze… more
    Virtual Service Operations (11/09/25)
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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 ... best resources available, we provide an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to help us evolve our corporate… more
    CoStar Realty Information, Inc. (11/04/25)
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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 Information System Security…

    General Dynamics Information Technology (Reston, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior ** **Information System Security ** ** Engineer ** Deliver ... information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor...TS/SCI and CI Poly + Experience with: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security … more
    General Dynamics Information Technology (11/21/25)
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  • Senior Principal Offensive Security…

    Oracle (Richmond, VA)
    **Job Description** Job Description **Offensive Security Engineer ** Oracle Cloud Infrastructure Group The Oracle Cloud Infrastructure (OCI) Offensive Security ... us! Our ideal candidate is a hardworking and hands-on engineer who cares about security and improves...including their integration points with existing services + Guide security projects beyond the scope of performing assessment… more
    Oracle (11/25/25)
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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 ... $165,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7179/ senior -information-systems- security - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID**… more
    GovCIO (11/26/25)
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  • Senior Security Systems…

    Cydecor, Inc. (Dahlgren, VA)
    …commitment to Excellence, what separates us. Job Description: Cydecor is seeking a Senior Security Systems Engineer to support cybersecurity and systems ... intelligence to enable decision-support and remain ahead of ever-evolving national security challenges. Our success rests squarely on three bedrock principles:… more
    Cydecor, Inc. (11/20/25)
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  • Senior Systems Security…

    TekSynap (Dahlgren, VA)
    **Responsibilities & Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** **s Security Engineer ** **.** The Senior Systems Security ... Cybersecurity Engineering & Risk Management + RMF and STIG Compliance + Vulnerability Assessment & Mitigation + Security Architecture and Configuration Control +… more
    TekSynap (10/31/25)
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