• Senior Information Systems Security…

    Leidos (MD)
    **Description** As a Senior Information Security Systems Engineer ( ISSE ) you will join a small team of security engineers providing Information Assurance ... expertise and advice to our customer. **Primary Responsibilities:** The Senior ISSE shall deliver and lead threat-informed...and compliance of its content **CLEARANCE REQUIRED** : Active TS / SCI with polygraph. US Citizenship required. CCA… more
    Leidos (06/27/25)
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  • ISSE w/ TS / SCI w/Poly

    Watershed Security (Vienna, VA)
    JOB DESCRIPTION Watershed Security is seeking a qualified Information System Security Engineer, Senior , in a law enforcement environment and providing subject ... to NIST and FBI Security policy. REQUIRED QUALIFICATIONS + Must have a TS / SCI with Counterintelligence Polygraph + Demonstrated expertise in systems security… more
    Watershed Security (08/08/25)
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  • 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 ... with geographically distributed components. + Identifying and implementing appropriate information security architectures and functionality to ensure uniform application… more
    Leidos (06/16/25)
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  • Senior Information Systems Security…

    CACI International (Linthicum, MD)
    Senior Information Systems Security Engineer ( ISSE ) Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with ... * * * **The Opportunity:** CACI is seeking a Senior Information Systems Security Engineer ( ISSE...and leadership in AI/ML security **Qualifications:** **Required:** + Active TS / SCI clearance with Polygraph + Bachelor's degree… more
    CACI International (06/18/25)
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  • Information Systems Security Engineer…

    Systems Technologies, Inc. (Hanover, MD)
    …SYSTEMS SECURITY ENGINEER ( ISSE ) The company is seeking junior, mid-level, and senior Information Systems Security Engineers ( ISSE ) to provide SETA ... Information Systems Security Engineer ( ISSE ) Location...Advanced Security Practitioner (CASP+) SECURITY CLEARANCE . Active DoD Top Secret / SCI clearance required TRAVEL… more
    Systems Technologies, Inc. (06/03/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …during the interview process. Job Description Enlighten is looking for an Information Systems Security Engineer ( ISSE ). Candidate will perform system or ... Enlighten, honored as a Top Workplace from USA Today, is a leader...assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance is required;… more
    Huntington Ingalls Industries (08/08/25)
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  • ISSE

    SAIC (Fort Meade, MD)
    …delivering mission excellence on programs of national importance. SAIC is hiring a Senior Information Systems Security Engineers ( ISSE ) in **Fort Meade, ... and implement secure networking, computing, and enclave environments. **Qualifications** + Active TS / SCI with polygraph clearance. + Fourteen years of IA System… more
    SAIC (08/07/25)
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  • ISSE / ISSO

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …established Information Assurance standards and regulations. In addition, the ISSE /ISSO will recommend and oversee the application of mitigation strategies to ... ISSE / ISSO Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description...exciting job waiting for you! Requirements + Active Clearance: TS / SCI with Polygraph?is required + Education: Positions… more
    Athenix Solutions Group, LLC (07/24/25)
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  • Information System Security Engineer…

    KBR (Alexandria, VA)
    Title: Information System Security Engineer ( ISSE ) Belong. Connect. Grow. with KBR! The successful candidate for the Joint Mission Environment Testing Capability ... (JMETC) Information System Security Engineer ( ISSE ) position will...Minimal + Working Hours: Standard Qualifications: Required: + Active/current TS / SCI clearance is required + Education: Bachelor's… more
    KBR (07/02/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …network/operational systems at multiple classifications levels. **Requirements:** + Must have active Top - Secret clearance with SCI or TS with the ability ... If so, look no further. Amentum is seeking a ** Senior Information System Security Engineer ( ISSE...environment. **Clearance Required:** + Must have active Top - Secret clearance with SCI or TS more
    Amentum (07/29/25)
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