• Sr. ISSE TS /SCI Poly

    Leidos (Annapolis Junction, MD)
    …where you can thrive, keep reading! Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using the Scaled Agile ... and employs robust development, test and production environments. Our team of security engineers support enhancements to system security architecture and cyber… more
    Leidos (09/15/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers ( ISSE ) in **Fort Meade, MD** to support a national ... uninterrupted availability of customer developed and deployed systems and networks. The ISSE will ensure core security engineering principles are implemented… more
    SAIC (09/04/25)
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  • Information Systems Security

    RBR-Technologies (Fort Meade, MD)
    …support one of our customers in Maryland. POSITION SUMMARY The Information Systems Security Engineer shall perform, or review, technical security assessments ... differing data protection/classification requirements + Recommend system-level solutions to resolve security requirements . REQUIREMENTS + Active TS /SCI w/… more
    RBR-Technologies (09/19/25)
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  • Information Systems Security

    Amentum (Columbia, MD)
    We are seeking a Information Systems Security Engineer LV3 for a prime contract that is based out of our Columbia, MD office. **Responsibilities:** + Participate ... as the primary security engineering representative on engineering teams for the design,...requirements **Requirements:** + Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type,… more
    Amentum (11/12/25)
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  • Cyber Software Engineer - SIGINT Systems

    Lockheed Martin (Hanover, MD)
    …an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of ... Software engineering * Systems engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical writer * Test… more
    Lockheed Martin (09/25/25)
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  • Information Systems Security

    ARSIEM (Annapolis Junction, MD)
    …have an impact on every client you work with. ARSIEM seeks an Information Systems Security Engineer 2 . This position will support one of our government clients ... in Annapolis Junction, MD. Responsibilities + Perform or review technical security assessments of computing environments to identify points of vulnerability and… more
    ARSIEM (10/14/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …an external hire\! \#RMSC6ISR \#OneLMHotJobs \#RMSRB2025 **Basic Qualifications:** * Current DoD Top Secret SCI with Polygraph Seeking multiple levels of System ... Software development * Software engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical writer * Test… more
    Lockheed Martin (09/25/25)
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