• Information Systems Security Officer (ISSO)

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a/an Information Systems Security Officer (ISSO) with an active TS/SCI clearance. This position will be 4 days onsite in ... in the assessment process for all new and legacy systems to determine the security requirements associated with each... to determine the security requirements associated with each system + The contractor shall interact with both technical… more
    GovCIO (12/05/25)
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  • Senior Specialist, Systems Network Engineer

    L3Harris (Herndon, VA)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, ... Systems Network Engineer Job Code: 31086 Job Location: Herndon,...and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual… more
    L3Harris (11/20/25)
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  • Associate Systems Engineer

    The Boeing Company (Colorado Springs, CO)
    …addition, this position will also support the maintenance of Red LAN networks and computing systems as it relates to cyber security requirements. As a member of ... support activities to plan, design, develop and verify complex lifecycle balanced system of systems and system solutions + Assists in evaluation of… more
    The Boeing Company (12/25/25)
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  • Fully Qualified Validator - Top Secret Clearance |

    Cambridge International Systems Inc (Norfolk, VA)
    Fully Qualified Validator - Top Secret Clearance | Norfolk, VA Cambridge International Systems , Inc. Join a dynamic global team united by shared values: commitment, ... Security Control Assessor (Work Role 612) in alignment with the DoD Cyber Workforce Framework (DCWF). + Conduct independent validations of IT systems more
    Cambridge International Systems Inc (12/04/25)
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  • Senior Information Systems Security Officer…

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Information Systems Security Officer (ISSO)** in our **National Security Sector's (NSS) Cyber ... role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks. This multi-year, high-impact… more
    Leidos (12/02/25)
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  • Linux Systems Engineer - Active TS/SCI

    ENS Solutions (Springfield, VA)
    …+ Analyzes system capacity and performance to support problem resolution and system enhancements and monitors systems tests. + Responds to inquiries from a ... + Experience developing systems , products, and/or processes based on a total...of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project… more
    ENS Solutions (11/14/25)
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  • Defense of Guam Senior Systems Engineer

    Parsons Corporation (Huntsville, AL)
    …and redefine what's possible. **Job Description:** Parsons is seeking a **Senior Systems Enginee** **r** to support the Missile Defense Agency's (MDA) Program Office ... a key strategic location. The selected candidate will provide senior-level systems engineering support, guiding technical efforts across multiple domains and… more
    Parsons Corporation (11/11/25)
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  • Sr. Specialist, Systems Engineering

    L3Harris (Waco, TX)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, ... Systems Engineer - EA ISR Programs Job Code: 30408...responsible for requirements development and management, technical risk identification, system design, system Integration, Verification and Validation… more
    L3Harris (11/08/25)
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  • Sr. Specialist, Systems Engineer (ELINT)

    L3Harris (Greenville, TX)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Sr. Specialist, ... Systems Engineering Job Code: 30880 Job Location: Greenville, TX...with the customer to comprehensively design and implement new system functionality. + Writes requirements, supports development, performs integration… more
    L3Harris (11/08/25)
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  • Systems Integration Engineer Stf - TS…

    Lockheed Martin (Colorado Springs, CO)
    …**Who You Are** You are a dedicated professional with a strong background in systems engineering and a passion for integrated system technologies\. You thrive in ... dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies\. While we are… more
    Lockheed Martin (11/05/25)
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