• OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer . GED delivers mission-critical capabilities that enable a plan and ... to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for...assets, field deployments and sustainment. Clearance Requirement: + Active Top Secret /SCI security clearance with a Polygraph… more
    KBR (10/28/25)
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  • Electro-Optical Model Based Systems

    Lockheed Martin (Louisville, CO)
    …a career that's built for you\. Lockheed Martin Space is seeking an **Electro\-Optical MBSE Systems Engineer ** to join our team in **Louisville, CO** \! The MBSE ... Systems Engineer is responsible for end to...architecture, interface control, and/or requirement traceability concepts\. * Active Top Secret security clearance\. **Desired Skills:** *… more
    Lockheed Martin (12/06/25)
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  • Systems Engineer TS /SCI Poly

    Parsons Corporation (Charlotte, NC)
    …redefine what's possible. **Job Description:** Parsons is seeking a highly skilled and motivated ** Systems Engineer ** to join our dynamic team. In this role, you ... to the seamless integration and performance of our cutting-edge technologies. As a Systems Engineer at Parsons, you will be responsible for the operations… more
    Parsons Corporation (11/24/25)
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  • Space Vehicle Systems Engineer

    KBR (Chantilly, VA)
    Title: Space Vehicle Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... our national security. KBR is looking for Space Vehicle Systems Engineer to join our Proliferated Synthetic...and 12 years or more relevant experience. + Active Top Secret /SCI clearance with a Polygraph +… more
    KBR (11/01/25)
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  • Senior AWS Cloud Systems Engineer

    CACI International (Linthicum, MD)
    Senior AWS Cloud Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * **The Opportunity:** CACI is seeking an AWS Cloud Systems Engineer to play a crucial role...cloud security, working with cutting-edge technologies and collaborating with top -tier professionals in the field. Join our team and… more
    CACI International (12/04/25)
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  • Systems Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Systems Engineer who is ready for a new challenge that will launch your career to ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...amazingly talented people Job Description: GliaCell is seeking a Systems Engineer on one of our subcontracts.… more
    GliaCell Technologies (11/04/25)
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  • Senior Systems Engineer

    CACI International (Columbia, MD)
    Senior Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... Join our dynamic Network Security Implementation and Sustainment (NSIS) Services team as a Systems Engineer . In this role, you will play a pivotal part in… more
    CACI International (09/18/25)
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  • RF Lead Systems Engineer , Principal…

    Lockheed Martin (Grand Prairie, TX)
    **Description:** You will be an RF Lead Systems Engineer , Sr Staff at Lockheed Martin, responsible for leading the development and refinement of a sensor ... **What You Will Be Doing** As an RF Lead Systems Engineer , you will be responsible for:...and leadership skills, and be able to obtain a Top Secret Security Clearance with an investigation… more
    Lockheed Martin (11/27/25)
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  • Senior Scientist, Systems Engineer

    L3Harris (Melbourne, FL)
    …and cyber domains in the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 29634 Job Location: Melbourne, FL Job Schedule: ... to work autonomously and with others to resolve technical issues + Active Top Secret Security Clearance. Preferred Additional Skills: + Current US Government… more
    L3Harris (10/05/25)
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  • Systems Engineer , Subject Matter…

    Huntington Ingalls Industries (Dayton, OH)
    …Ingalls Industries, Mission Technologies Division (HII-MT) is seeking a qualified candidate for Systems Engineer , Subject Matter Expert, Radar Systems . The ... a TS /SCI security clearance with advanced security checks + Secret clearance minimum to start Physical Requirements Office or industrial environment. Capable… more
    Huntington Ingalls Industries (12/12/25)
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