• 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 (11/15/25)
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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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  • 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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  • Information Systems Security Engineer…

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer ( ISSE )** in our **National Security ... + **Qualifications** : Twenty (20) years' experience as an ISSE . Bachelor's degree in computer science, Information ...for a bachelor's degree. + **Security Clearance** : Active TS / SCI with Polygraph required to be considered… more
    Leidos (11/18/25)
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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 / 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 (10/23/25)
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  • Senior Information System Security…

    The MITRE Corporation (Mclean, VA)
    …RMF, NIST SP 800-53, J-SIG, STIGs, and SCAP Compliance Checker. + Experience supporting Sensitive Compartmented Information ( SCI ) and/or Special Access ... Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with...combination of related education and work experience. + Active Top Secret clearance with SCI more
    The MITRE Corporation (11/11/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …or a PhD; or equivalent combination of related education and work experience. + Active Top Secret clearance with SCI eligibility. Ability to obtain and ... Security Services Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with...year from the date of hire, the following clearance(s): Top Secret / SCI Work Location Type:… more
    The MITRE Corporation (11/08/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …to improve reliability and performance. Candidates should have the following qualifications: + TS / SCI with polygraph is required. + Bachelor's Degree in a ... The SA provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. The SA manages IT systems including day-to-day… more
    Belay Technologies (11/19/25)
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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 (11/06/25)
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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 (10/23/25)
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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 (11/19/25)
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  • Security Engineer/Architect (Hybrid)

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …+ Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance with CI Poly is required; US Citizenship ... Enlighten, honored as a Top Workplace from USA Today, is a leader...on our customer site in Ft. Belvoir, VA. #LI-DS1 #Mid- Senior Level Essential Job Responsibilities + Will create, review… more
    Huntington Ingalls Industries (09/12/25)
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