• Principal/Sr. Principal Systems Engineer

    Northrop Grumman (Dulles, VA)
    …system test planning/verification. + **Must have US Citizenship with current or active Top Secret Clearance at time of application** **Preferred ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret ...Engineer for the role of Ground Segment Systems Engineer for a Ground/Mission Software program. This… more
    Northrop Grumman (10/17/25)
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  • Mission Integration Engineer - Top

    SpaceX (Hawthorne, CA)
    Mission Integration Engineer - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring ... life on Mars. MISSION INTEGRATION ENGINEER - TOP SECRET CLEARANCE In this...internal and external stakeholders to drive prototype hardware and software development + Lead all customer reviews and ensure… more
    SpaceX (11/11/25)
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  • Systems Engineer (Level 2) - Top

    Lockheed Martin (King Of Prussia, PA)
    …to communicate effectively and work in a collaborative environment * This position requires a Top Secret clearance with investigation date within 5 years ... as JIRA, and Confluence * Ability to interact with software developers to ensure mission requirements are satisfied *...developers to ensure mission requirements are satisfied * Active TS /SCI security clearance **Security Clearance more
    Lockheed Martin (11/23/25)
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  • Civil Engineer - Top Secret

    Leidos (Reston, VA)
    …is required + All candidates for consideration must possess an active TS /SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a ... **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of... TS /SCI w/ poly level clearance . **Required Skills,… more
    Leidos (10/09/25)
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  • Senior Systems Engineer - Top

    Lockheed Martin (King Of Prussia, PA)
    …collaborative environment * Experience developing Operations Procedures and training materials * Active Top Secret security clearance with the ability to ... software developers to ensure mission requirements are satisfied * Active TS /SCI Security Clearance \#LMSpaceSystemsEng **Security Clearance Statement:**… more
    Lockheed Martin (12/05/25)
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  • Sr. Systems Engineer ( Top

    Lockheed Martin (King Of Prussia, PA)
    …with over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance \. **The Work:** We are in search of ... Rotary and Missions Systems \(RMS\) as a Senior Systems Engineer \! Lockheed Martin is a global leader in aerospace,...* Security Clearance required Prior to Start: Top Secret * Experience developing system, hardware,… more
    Lockheed Martin (11/06/25)
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  • Senior Network Engineer - Top

    Cambridge International Systems Inc (Charleston, SC)
    Senior Network Engineer - Top Secret Clearance | Charleston, SC Cambridge International Systems, Inc. Join a dynamic global team united by shared values: ... and security. We are currently seeking a Senior Network Engineer to support operations in Charleston, SC. This is...is a full-time CONUS position requiring an active DoD Top Secret clearance . This position… more
    Cambridge International Systems Inc (10/07/25)
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  • Mechanical Engineer - Multiple Levels…

    Leidos (Reston, VA)
    …EXPERIENCE, CLEARANCE :** + Candidate must possess an active TS /SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain ... to include mechanical, electrical, and structural components within industry software packages (AutoCAD, Revit MEP, UTAS, etc.) + Provide...a TS /SCI w/ CI poly level clearance +… more
    Leidos (09/20/25)
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  • Senior Systems Engineer , Level 3…

    Lockheed Martin (King Of Prussia, PA)
    …* Experience defining tests required to satisfy feature acceptance criteria * Current Top Secret Security Clearance **Desired Skills:** * Experience with ... security clearance , you must be a US Citizen for consideration\. ** Clearance Level:** TS /SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/23/25)
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  • Senior Systems Engineer - Test ( Top

    RTX Corporation (Richardson, TX)
    …US citizens are eligible for a security clearance ​ **Security Clearance :** DoD Clearance : Top Secret **Are you looking to make a meaningful, positive ... those who protect us. As our next Senior Systems Engineer , you will take on more responsibility and leverage...of experience. + Active and transferable Top Secret US government issued security clearance is… more
    RTX Corporation (09/13/25)
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