• Security Engineer , Google Public…

    Google (Reston, VA)
    …25% of the time internationally. + Active US Government Top Secret /Sensitive Compartmentalized Information ( TS /SCI) security clearance with polygraph. ... obtain, or currently possess and maintain an active " TS /SCI with a Polygraph". The position further requires the...fix security flaws and vulnerabilities. As a Security Engineer , you're not just reacting to… more
    Google (08/08/25)
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  • Senior Information System Security

    ManTech (Chantilly, VA)
    …other cyber discipline. ** Security Clearance Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI. ... ManTech is seeking a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.**… more
    ManTech (07/03/25)
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  • NMCC Information Systems Security

    TekSynap (Arlington, VA)
    … Accreditation. + Assist with RMF related tasks as needed. **REQUIRED QUALIFICATIONS** + Active Top Secret -SCI DoD security clearance. + Active DoD 8570 IAT ... Assessment techniques. **Overview** We are seekinga highly skilled Information Systems Security Engineer (ISSE) to maintain and enhance the security posture… more
    TekSynap (06/18/25)
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  • Information Systems Security

    ManTech (Norfolk, VA)
    …technical field + Active TS with SCI eligibility **Clearance Requirements:** + Active Secret security clearance with the ability to obtain a TS /SCI ... **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer ** to join our team in **Norfolk, VA.** This is an **onsite**… more
    ManTech (08/08/25)
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  • Cyber Security Engineer

    SAIC (Reston, VA)
    …Business Group, USG Mission and Information Technology Division, is seeking a **Cyber Security Engineer ** to provide information security support. This ... position is in **Reston, VA** and requires an **active TS /SCI clearance with Polygraph** . This Customer's office is...influence operations. If you have specialized skills in information security and tech ops, this is the role for… more
    SAIC (08/07/25)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …commercial markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our DevSecOps team in Herndon. The ... throughout all system lifecycle phases. + Stay current with emerging security threats and technologies. **Required Qualifications:** ** TS /SCI with Polygraph… more
    Nightwing (06/06/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented ** Security Engineer ** to join our team in **Herndon, VA** to design, implement, and maintain secure ... to support security operations **Clearance Requirements:** + Must have active TS /SCI with Full Scope Polygraph **Physical Requirements:** + Must be able to… more
    ManTech (06/19/25)
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  • Security Engineer

    Leidos (Chantilly, VA)
    **Description** We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each ... site by working with the Information Security Offices to design, implement, and support defensive ... throughout the software development lifecycle. **Basic Qualifications:** + TS /SCI w/ Poly Clearance is required + Bachelor's degree… more
    Leidos (05/24/25)
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  • Information System Security Engineer

    Parsons Corporation (Chantilly, VA)
    …and providing information assurance engineering. **What Required Skills You'll Bring:** + Active ** Top Secret /SCI security clearance with CI Polygraph.** + A ... is looking for a sharp and talented **Information Systems Security Engineer (ISSE)** to join our growing...integration testing. ** Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security more
    Parsons Corporation (07/29/25)
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  • Information System Security Engineer

    CACI International (Sterling, VA)
    Information System Security Engineer - ISSE Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with ... US * * * **The Opportunity:** At CACI we enable national security missions through creation and delivery of innovative, technology-centric solutions that provide… more
    CACI International (07/30/25)
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