• Systems Engineer , Sr

    Lockheed Martin (Englewood, CO)
    **Description:** The primary responsibilities of this position will be to provide overall systems engineer support to the Fleet Ballistic Missile \(FBM\) Reentry ... and in a small team environment\. * High level of accountability\. * Top Secret security clearance\. **Security Clearance Statement:** This position requires a… more
    Lockheed Martin (10/29/25)
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  • Space Systems Engineer

    KBR (El Segundo, CA)
    Title: Space Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... in this type of position or program. + Active Top - Secret clearance with SCI eligibility. Desired: +...clearance with SCI eligibility. Desired: + Experience with model-based systems engineering (MBSE) and software engineering best… more
    KBR (10/17/25)
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  • Mid-Level Systems Engineer

    Leidos (Chantilly, VA)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a highly skilled ... VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary… more
    Leidos (10/11/25)
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  • Systems Engineer

    NANA Regional Corporation (San Antonio, TX)
    The Systems Engineer is a critical liaison...and site surveys as needed. **Qualifications** + An active Top Secret with SSBI is required for ... systems infrastructure. Includes the implementation and design of hardware and software . Monitors the performance of systems . Experienced with standard… more
    NANA Regional Corporation (09/25/25)
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  • Systems Engineer Manager

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated and career-focused ** Systems Engineer Manager** to join our team onsite in **Washington, DC** This leadership role offers the ... overseeing planning, infrastructure development, and team execution + Ensure hardware and software systems are designed and installed in alignment with… more
    ManTech (08/19/25)
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  • Principal Systems Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    …apply if you currently do not possess this level of clearance. Are you a Principal Systems Engineer who is ready for a new challenge that will launch your career ... talented people Job Description: GliaCell is seeking a Principal Systems Engineer on one of our subcontracts....provide technical expertise that assists in sustaining critical mission-related software and systems to a large government… more
    GliaCell Technologies (11/04/25)
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  • Uncrewed Aerial Systems (UAS) Area Lead…

    Aviation & Missile Solutions (Huntsville, AL)
    …clearance. The candidate must be able to obtain and maintain a Top Secret level security clearance. Keyword: Uncrewed Aerial Systems (UAS) Area Lead ... Control (UVC) standard is a plus + Experience with UAS or ALE software systems integration is a plus + Experience with UAS open standards and interoperability… more
    Aviation & Missile Solutions (09/11/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …we digitally connect the world and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting and repairing ... upgrades **What We Look For in a Candidate** Basic Qualifications: + **Requires a Top Secret /SCI clearance** + On-call after hours/on-call support as required +… more
    Lumen (11/05/25)
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  • Scientist, Sr Space Vehicle Systems

    L3Harris (Palm Bay, FL)
    …assistance is available to qualified applicants Job Description: L3Harris' Space and Airborne Systems seeks a Space Vehicle Engineer to join our growing team ... in the interest of national security. Job Title: Scientist, Systems Engineering (Space Vehicle) Job Code: 30659 Job Location:...position will serve as a dedicated program Space Vehicle Engineer at L3Harris, responsible for the execution of the… more
    L3Harris (11/01/25)
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  • Software Engineer / Databrick…

    Node.Digital (Dulles, VA)
    Software Engineer / Databrick Engineer Location: Dulles, VA Must have an active Secret Clearance Node is supporting a US Government customer on a large ... cyber capabilities to address emerging threats. Node is seeking a Databricks Engineer to support the migration of customer applications, services and platforms to… more
    Node.Digital (09/19/25)
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