• Information Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Information Systems Security Engineer ( ISSE ) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** ... on a highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer ( ISSE ) designs, implements, and manages… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • ISSE Senior - with TS

    Amentum (Columbia, MD)
    …the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior ISSE ** to join our team of passionate individuals in **Columbia, MD** . ... on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you... Security regulations, publications, and policy **Clearance Required:** * TS / SCI w/ Poly **Minimum Years of Experience:**… more
    Amentum (10/14/25)
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  • Information System Security Engineer…

    KBR (Beavercreek, OH)
    …systems (ie, applications, networks, devices). Key Responsibilities: + Support team in a Senior ISSE capacity for multiple information systems + Serve ... Position Summary: The selected candidate will serve in a Senior ISSE role and perform tasks related...regarding education and experience will prevail. + An active TS / SCI clearance is required + Must have… more
    KBR (10/01/25)
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  • Information Systems Security Engineer…

    Lockheed Martin (Orlando, FL)
    …* Top Secret clearance, with ability and willingness to obtain TS / SCI w/ Poly **Desired Skills:** * Familiarity with JWICS cyber security requirements ... CISSP ISSEP, CCISO, etc\.\) * Hands on experience in information system security engineering \( ISSE \) or a...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information more
    Lockheed Martin (10/25/25)
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  • Edge Information Systems Security Engineer…

    V2X (Springfield, VA)
    …and professionalism. We are hiring an Edge Information Systems Security Engineer ( ISSE ) - active TS / SCI clearance to support our government customer ... required to be onsite. The position requires an active Top Secret / SCI clearance and the...obtain and maintain a Counterintelligence (CI) Polygraph. The Edge Information System Security Engineer ( ISSE ) provides cybersecurity… more
    V2X (09/09/25)
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  • 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 (09/26/25)
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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 (09/15/25)
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  • SP28 Senior Information System…

    Amentum (Crane, IN)
    …obtain and maintain a US Government Top Secret /Critical Nuclear Weapons Design Information Clearance OR a TS / SCI Clearance. Interim Top - Secret ... Amentum is looking for a Sr. Information System Security Engineer ( ISSE ) to... Information Security Manager (CISM) certification + Active Top Secret Clearance Amentum is proud to… more
    Amentum (11/14/25)
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  • Senior Information Systems Security…

    Parsons Corporation (Colorado Springs, CO)
    …experience + Top Secret ( TS ) security clearance with eligibility for Secret Compartmented Information ( SCI ) + Willingness to submit to a ... efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI...and Microsoft Azure platforms **Security Clearance Requirement:** An active Top Secret SCI security clearance… more
    Parsons Corporation (10/11/25)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer ( ISSE ) L4...Travel: o Up to 10% + Security Clearance: Active Top Secret with SCI . Preferred ... take the next steps in your career as an Information Systems Security Engineer ( ISSE )? Let's chat...travel up to 10% + Must possess an active TS / SCI clearance or above + Please… more
    Virtual Service Operations (11/09/25)
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