• Sr. Specialist, Systems Engineer

    L3Harris (Rockwall, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Spec, Systems Engineer Job Code: 32393 Job Location: Rockwall, TX (On-Site) Job Schedule: ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer will be responsible for supporting...+ Networking experience (CCNA certs). + Security+ Certified. + Active Secret Security clearance or higher. #LI-AH1 L3Harris Technologies… more
    L3Harris (01/07/26)
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  • Senior Model-Based Systems Engineer

    Belcan (Plano, TX)
    Senior Model-Based Systems Engineer Job Number: 362144 Category: -Software & Systems SBU Description: A Senior Model-Based Systems Engineering (MBSE) job ... clients located in Plano, TX. As a Senior Model-Based Systems Engineer , you will deliver new capabilities...also include internal capability development. You must currently hold active Secret Clearance. Job Duties: As a Senior MBSE… more
    Belcan (01/10/26)
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  • Sr. Associate, Systems Engineer

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Associate, Systems Engineer Job Code: 32568 Job Location: Greenville, TX (On-Site) Job ... Schedule: 1st Shift 9/80 Job Description: The Sr. Associate, Systems Engineer (SE) will be responsible for...multi-domain mobile airborne datalink, video, voice and data communication systems environment. + Must have an active more
    L3Harris (01/10/26)
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  • Specialist, Systems Integration / Test…

    L3Harris (Waco, TX)
    …land, sea and cyber domains in the interest of national security. Job Title: Specialist, Systems Integration / Test Engineer Job ID: 30628 Job Location: Waco, TX ... actively seeking a direct hire opportunity as a Specialist, Systems Integration / Test Engineer for our...systems test engineering experience. + Must hold an active DOD Secret Security Clearance and be able to… more
    L3Harris (11/08/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer (COMINT/SIGINT) Job Code: 30781 Job Location: Greenville, TX ... 1st Shift 9/80 Job Requirements: L3Harris is seeking a Systems Engineer who will be responsible for...chamber to support test flights. + Must have an active Secret clearance at the time of hire with… more
    L3Harris (11/08/25)
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  • Big Data Systems Engineer (Remote)

    KBR (Houston, TX)
    Title: Big Data Systems Engineer (Remote) Belong, Connect, Grow, with KBR! KBR's National Security Solutions (NSS) team provides high-end engineering and ... our national security. KBR is seeking a Big Data Systems Engineer to join our team. The...Working Hours: Standard Basic Qualifications/Knowledge: + Must have an active TS/SCI Security Clearance to be considered for this… more
    KBR (10/28/25)
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  • Systems Engineer Senior - level 3

    Lockheed Martin (Fort Worth, TX)
    **Description:** You will be the Systems Engineer Senior for the Simulation Design team which is responsible for delivering high‑fidelity simulation solutions ... development lifecycle\. **What You Will Be Doing** As the Systems Engineer you will be responsible for...requires special access\. The selected candidate must possess an active Secret clearance to start\. **Basic Qualifications:** * Bachelor's… more
    Lockheed Martin (01/10/26)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Engineer interested in working on one of the largest and ... need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong background...part of a team in a fast-paced environment. + Active US Security Clearance **Qualifications We Prefer** + Professional… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …keep our world united and sustain our way of living. Join our team! As a Systems Engineer for an Integrated Digital Environment (IDE) team, you will ensure that ... simulation, and test using progressive tools. As a cross-functional engineer , you are in charge of system-level ownership of...Experience, experience in development, integration, and test of software systems + An active Secret US Security… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Sr. Systems Engineer

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR. SYSTEMS ENGINEER (BAMCIT): Bowhead seeks a Sr. Systems Engineer to support the Geographic Service Providers (GSP) Brooke Army Medical ... services for the PEO MS/J-6 through contractor staff augmentation. The Sr. Systems Engineer is tasked with improving IT practices and mechanisms… more
    UIC Government Services and the Bowhead Family of Companies (01/07/26)
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