• Tyto Athene (Colorado Springs, CO)
    …Operations Plans + Working in eMASS and/or Xacta **Clearance:** + Must be eligible for a Top - Secret SCI clearance **Location:** + This is not a remote or ... **Description** Tyto Athene is searching for a ** Senior ISSE .** In this position you...the software development and deployment lifecycle. + This team's top priority is to enable rapid, secure delivery of… more
    DirectEmployers Association (12/05/25)
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  • Applied Research Solutions (Dayton, OH)
    …8-12 years demonstrated performance in related technology. Minimum Security Clearance Required + Top Secret w/ SCI eligibility Additional or Preferred ... **Description** ARS is currently looking for an Information System Security Engineer ( ISSE ). Our...through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior more
    DirectEmployers Association (11/21/25)
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  • 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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  • ISSO/ ISSE , TS / SCI

    General Dynamics Information Technology (Bethesda, MD)
    …ID:** RQ211291 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... senior executives. + Possess a broad knowledge of Information Security policies and guidance, as well as the...security policies and guidance. + **Security Clearance Level** : TS / SCI with active polygraph + **Location** :… more
    General Dynamics Information Technology (12/11/25)
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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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  • SAP NS2 Sr . Java Developer - Active…

    SAP (Herndon, VA)
    …+ Capable of translating complex technical solutions into structured documentation. Security Clearance TOP SECRET SCI with Polygraph required **Bring out ... security and critical infrastructure customers. We are seeking a highly experienced Senior Java Developer to support, maintain, and enhance a suite of standalone… more
    SAP (11/13/25)
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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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  • 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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  • Sr . Specialist, ISSE - Network…

    L3Harris (Greenville, TX)
    …of a degree, minimum of 10 years of prior related experience. + Top Secret Clearance with ability to obtain SCI . + Requires on-site presence at the ... domains in the interest of national security. Job Title: Sr . Specialist, ISSE - Network Security Job...and enforce network security policies and procedures to safeguard sensitive information . + Monitoring Network Activity: Continuously… more
    L3Harris (10/26/25)
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  • Information System Security Engineer…

    TekSynap (Huntsville, AL)
    …**Required Qualifications** + **Security Clearance** + Must hold an active ** Top Secret clearance** with the ability to obtain ** SCI ** . + **Technical ... the essential functions. **WORK AUTHORIZATION/SECURITY CLEARANCE** + S. Citizen + Active Top Secret clearance required **OTHER DUTIES** Please note this job… more
    TekSynap (12/24/25)
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