• Senior Information Security Systems

    Leidos (MD)
    **Description** **Program Summary** As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing ... and compliance of its content **CLEARANCE REQUIRED** : Active TS / SCI with polygraph. US Citizenship required. **Qualifications**...a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE)… more
    Leidos (11/26/25)
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  • Senior Systems Engineer

    GovCIO (Hampton, VA)
    …with 9+ years (or commensurate experience) Required Skills and Experience + Clearance Required: TS / SCI + Knowledge of systems engineering principles + ... **Overview** GovCIO is currently hiring a Systems Engineer for our Zero Trust integration effort with the US Air Force. This position will be located in Hampton,… more
    GovCIO (11/22/25)
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  • Systems Engineer , Junior

    KBR (Chantilly, VA)
    Title: Systems Engineer , Junior KBR is seeking a Junior Systems Engineer to support our customers in Chantilly, VA. The position requires the employee to ... provide technical expertise as a Systems Engineer and Technical Assistance (SETA). The...and OCONUS travel may be required. Security Requirements: Active TS - SCI /w Polygraph Belong, Connect and Grow at… more
    KBR (11/21/25)
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  • Systems Engineer - Enterprise…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... with you\. **Lockheed Martin seeks an innovative and talented Systems Engineer to join the Global Security...work in a fast\-paced, dynamic team environment * Active TS / SCI security clearance **Security Clearance Statement:** This… more
    Lockheed Martin (12/06/25)
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  • Lead, Systems Engineer (Optical…

    L3Harris (Wilmington, MA)
    systems engineering within space environment Preferred Additional Skills: + Hold an active Secret or Top Secret / SCI clearance. + Experience in ... During its 120-year history, L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical...Agile Systems Engineering department is seeking a systems engineer to join our team and… more
    L3Harris (12/10/25)
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  • Senior SIGINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …next decade. + Develop architecture products. Qualifications & Physical Requirements + Active Top Secret / SCI with Poly. + Bachelors in engineering, physics, ... you receive the utmost employee care. Responsibilities As the Senior SIGINT Systems Engineer , you will help guide new and existing SIGINT programs as they… more
    Sciolex Corporation (10/09/25)
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  • Systems Engineer - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ206685 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Engineer with GDIT. A career in enterprise IT means… more
    General Dynamics Information Technology (12/11/25)
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  • Senior Systems Engineer

    KBR (El Segundo, CA)
    Title: Senior Systems Engineer KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the ... protecting our national security. KBR is seeking a Senior Systems Engineer to join our team in...join our team in El Segundo, CA. An active TS / SCI clearance is required. Join a small,… more
    KBR (12/18/25)
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  • Systems Engineer

    CACI International (Columbia, MD)
    Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... Systems Engineering area of responsibility. **Qualifications:** **Required:** + **Clearance:** TS / SCI with Polygraph clearance. + ** Systems Engineering… more
    CACI International (12/12/25)
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  • Lead SIGINT Systems Engineer

    CACI International (Aberdeen Proving Ground, MD)
    Lead SIGINT Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... * **The Opportunity:** CACI is seeking a Lead SIGINT Systems Engineer to join our Aberdeen Proving...PhD in Electrical Engineering + Must hold an active TS / SCI clearance with a polygraph + 30+… more
    CACI International (12/07/25)
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