• Security Engineer/Architect (Hybrid)

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …GOTS/COTS software components. + Will use vulnerability management systems , automated security scanning tools, and system accreditation record systems . + ... assessment, risk analysis, and risk management support. + Recommend system -level solutions to resolve security requirements and...Citizenship required. + 9+ years of experience as an ISSE or security -focused software / systems… more
    Huntington Ingalls Industries (12/12/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …* Software development * Software engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical writer ... general systems engineering experience OR * A Bachelor's degree in Systems Engineer, Computer Science, Information Systems , Engineering Science,… more
    Lockheed Martin (01/08/26)
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  • Cyber Security Architect

    DCCA (Chantilly, VA)
    …* Demonstrated experience with vulnerability scanning tools. Education/Certifications: o Certified Information Systems Security Professional (CISSP) o ... excellence. Key Tasks: Support specializing in cyber security and systems architecture. Requesting split support as ISSE /A&A, Strategic, DevSecOps,… more
    DCCA (11/21/25)
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  • Cyber Security Analyst

    ManTech (Herndon, VA)
    …use RMF (Risk Management Framework) NIST 800-53, NISPOM, and ICDs for cybersecurity and information security protocols to drive tasking and ensure compliance + ... ISSE /ISSO tasking in support of documenting and navigating the...security , Cloud principles and engineering + Expert in System Accreditation process and protocols within the Intelligence Community… more
    ManTech (11/22/25)
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  • Cyber Software Engineer - SIGINT Systems

    Lockheed Martin (Hanover, MD)
    …Software engineering * Systems engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical writer ... use of advanced electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the… more
    Lockheed Martin (01/08/26)
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  • Full Spectrum Cyber Solutions SME

    General Dynamics Information Technology (Herndon, VA)
    …+ Designs and defines high-level system architecture for new or existing Information and Operational Technology (OT and IT) systems . + Ensures the logical ... **Public Trust/Other Required:** None **Job Family:** Technical Solutions **Skills:** Security Architecture Design,Solution Architecture, System Security … more
    General Dynamics Information Technology (01/06/26)
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  • ISSO

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an ** Information Systems Security Officer (ISSO)** to provide critical cybersecurity governance, compliance, and security ... policies throughout the lifecycle (RMF Steps 1-6) of customer‑sponsored information systems . + Support cloud‑based and on‑premise...CISSP, etc.).** + **7+ years of Information Security experience. Preferrable as an ISSO, ISSE ,… more
    SAIC (12/20/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …is an international, leading-edge provider of technical services to include Secure Information Systems , Security and Engineering and Intelligence Analysis. ... Description: Provide general system administration support, to include system maintenance/upgrades, OS/software security patching, AV compliance patching,… more
    FGS, LLC (11/22/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …you want to make, then choose MITRE - and make a difference with us. The Information System Security Department (R311) within the Global Security ... Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position,...changes. + Previous experience operating as a SCI/SAP ISSO, ISSE , System Administrator, or ISSM. + Strong… more
    The MITRE Corporation (11/08/25)
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  • SAP NS2 Sr. Java Developer - Active TS SCI…

    SAP (Herndon, VA)
    …global market leader for business software and related services. SAP National Security Services (SAPNS2) is an independent US subsidiary, offering SAP solutions with ... specialized levels of security and support to meet the requirements of US...This role requires deep technical knowledge in Java-based development, system -level configuration, and cross-domain data transfer protocols, as well… more
    SAP (11/13/25)
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