• Sr . ISSE TS / SCI

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . ISSE ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... Community Markings System Register and Manual Standards. You must have an active TS / SCI Polygraph up front. No exceptions and no sponsorship available,… more
    Leidos (08/16/25)
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  • Sr . ISSE TS / SCI

    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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  • 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 Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Information Systems Security Engineer ( ISSE ) - Senior ** **Category:** Service Desk / End User Services **Main location:** United States, Virginia, ... 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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  • 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. (09/02/25)
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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 (09/04/25)
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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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  • Information System Security Manager III

    Global Resource Solutions (Arlington, VA)
    …and Military Compartment efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI ) and Special ... detail orientated, and talented individual for the position of Information System Security Manager (ISSM) III. Job Description: Summary:...of the date of hire. Security Requirements: + Current Top Secret Clearance with SCI more
    Global Resource Solutions (10/17/25)
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  • Senior Information Systems Security…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer ( ISSE )** in our **National Security ... to national security efforts with lasting impact. As an ISSE , you'll help shape secure systems and architectures that...(ie, CAP, or Security + CE) + **Clearance Requirement:** ** Top Secret / SCI with Polygraph is… more
    Leidos (10/22/25)
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  • Information System Security Officer (ISSO)

    Lockheed Martin (Hanover, MD)
    …technical and non technical audiences\. **Basic Qualifications:** All candidates must possess a Final Top Secret Clearance w/ SCI and a Full Scope Polygraph\. ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know**… more
    Lockheed Martin (10/18/25)
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  • Mid/ Senior Information Systems…

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is Mid/ Senior Information Systems Security Engineer ( ISSE ) to join our intel team. ... conducting security verification testing of relevant type 1 devices. Preferred Qualifications: + TS / SCI Clearance with polygraph within the last 6 yrs. + Must… more
    Belay Technologies (08/07/25)
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  • Information Systems Security Engineer

    ManTech (Fort Meade, MD)
    …Meade, MD** customer. As an ISSE you will provide support to senior ISSEs for implementing and enforcing information systems security policies, standards, ... ManTech seeks a motivated, career and customer-oriented ** Information Systems Security Engineer ( ISSE )** to...Docker services and Kubernetes **Security Clearance Requirements:** + Active TS / SCI W/ Poly **Physical Requirements:** + Must… more
    ManTech (09/06/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer ( ISSE )** shall deliver and ... so, look no further. Amentum is seeking a **Principal Information Systems Security Engineer** to join our team of...rapid acquisition programs **Clearance Required:** * Must have active Top Secret clearance with SCI more
    Amentum (10/01/25)
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