• 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... throughout the software development lifecycle. **Basic Qualifications:** + TS / SCI w/ Poly Clearance is required +… more
    Leidos (05/24/25)
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  • TS / SCI Information System…

    Insight Global (Washington, DC)
    Job Description Insight Global is looking for an Information Assurance System Security Engineer II in the DC area. They will be responsible for integrating ... security into the full lifecycle of customer ...Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements TS / SCI Bachelors or Associates in related area… more
    Insight Global (07/26/25)
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  • Information System Security

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

    CACI International (Sterling, VA)
    Information System Security Engineer - ISSE Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... * * **The Opportunity:** At CACI we enable national security missions through creation and delivery of innovative, technology-centric...to push through the RMF process. **Qualifications:** _Required:_ + TS / SCI w/ Polygraph is required + DoD… more
    CACI International (07/30/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and customer-focused **Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... with Cisco Identity Services Engine (ISE) **Clearance Requirements:** + .An active TS / SCI with Polygraph is required for this position. **Physical… more
    ManTech (08/08/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    Mantech seeks a motivated and customer-focused **Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... with Cisco Identity Services Engine (ISE) **Clearance Requirements:** . An active TS / SCI with Polygraph is required for this position. **Physical Requirements:**… more
    ManTech (08/08/25)
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  • Security Engineer

    Leidos (Alexandria, VA)
    … position. Additional relevant experience may be considered in lieu of degree. + Active DoD Top Secret clearance with SCI eligibility required + DoD 8570 IAM ... **Description** Leidos is seeking a Security Engineer to support the execution of strategic, operational, and organizational PPSM objectives. This position can… more
    Leidos (07/10/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... performance characterization (eg Wireshark, TCPdump, etc.). + Understanding of network/cyber security , penetration testing, and information security best… more
    CACI International (08/08/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include ... and Access Management principals **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph **Physical Requirements:** + The person in this… more
    ManTech (06/04/25)
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  • Senior Network Security Engineer

    Leidos (Annapolis Junction, MD)
    …network or system administration. + ** Security Clearance requirement** : Possess active TS / SCI with Polygraph to be considered for this role **You Might Also ... work is ahead!** If you're a talented Senior Network Security Engineer , we want to hear from...field. + Relevant experience must be in computer or information systems design/development, programming, information /cyber/network security more
    Leidos (08/08/25)
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