• 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 (Linthicum, MD)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Senior ISSE ** to join our team of passionate individuals in **Linthicum, 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 (09/16/25)
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  • ISSO/ ISSE Cyber Security Engineer,…

    Parsons Corporation (Annapolis Junction, MD)
    Secret / SCI w/ Poly **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this position.​ ... what you're looking for. **Job Description:** Parsons is looking for an amazingly talented **ISSO/ ISSE Cyber Security Engineer, Sr ** to join our team! In this… more
    Parsons Corporation (10/07/25)
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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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  • 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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  • 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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  • Information System Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …security investigation and may need to meet eligibility requirements for access to classified information ; Top Secret clearance is required. Compensation At ... frameworks such as Ansible, Terraform, Puppet, or Chef + Top Secret clearance + HS diploma or...t principles and frameworks such as NIST 800-207 + TS / SCI clearance with a polygraph Clearance: Applicants… more
    BOOZ, ALLEN & HAMILTON, INC. (10/07/25)
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