• Mechanical Engineer , Staff

    Lockheed Martin (King Of Prussia, PA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Martin Space is seeking a full\-time highly experienced Mechanical Engineer \. In this role, you will perform duties of...drafting of tooling designs for both mechanical and electrical systems \. You will participate in issue resolution, and develop… more
    Lockheed Martin (12/06/25)
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  • DARPA Advanced Technology Engineer

    IronMountain Solutions, Inc. (Arlington, VA)
    …+ Must be highly organized with strong attention to detail. + Active TOP SECRET clearance with eligibility for Sensitive Compartmentalized Information (SCI) and ... 501164 DARPA Advanced Technology Engineer Work Location: Arlington, Virginia Schedule: Full Time...Experience: + Experience planning and executing complex engineering and systems analysis efforts for the DoD and/or IC. +… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Sr. Electrical Design Engineer (Starshield)

    SpaceX (Hawthorne, CA)
    …and demanding start-up atmosphere. + Excellent communication skills both written and verbal. + Active Top Secret or Top Secret SCI clearance, or ability ... Sr. Electrical Design Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded...cross-disciplinary teams and will need to think at a system level to ensure that your design is viable.… more
    SpaceX (11/11/25)
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  • Principal Product Support Engineer…

    Sierra Nevada Company, LLC (Omaha, NE)
    …and personal computers + Communication and customer interface skills + Active/Current Top Secret US Clearance with SCI Eligibility + Comprehensive understanding ... of system level maintenance of networks and communications ...more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (12/19/25)
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  • Experienced Embedded Software Engineer

    The Boeing Company (St. Charles, MO)
    …an **_Experienced Embedded Software Engineer_** to support our **Precision Engagement Systems ** located in **Saint Charles, M** **O** . The Precision Engagement ... Systems organization is a strong and growing business that...Our leadership team is committed to attracting and developing top talent to support critical **Direct Attack (DA)** and… more
    The Boeing Company (12/14/25)
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  • Product Support Engineer III

    Sierra Nevada Company, LLC (Omaha, NE)
    …skills + Thorough understanding of system level maintenance of networks and communications systems + An active Top Secret with SCI eligibility US ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (11/27/25)
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  • Lead EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace and Defense company that ... and prototype demonstrations Qualifications you must have: + Active Top Secret clearance with SCI eligibility +...software/firmware development + Embedded Linux + ARM processors and system on a chip (SoC) systems +… more
    RTX Corporation (11/05/25)
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  • EW Embedded Software Engineer

    RTX Corporation (Arlington, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace and Defense company that ... and perform demonstrations Qualifications you must have: + Active Top Secret clearance with SCI eligibility +...software/firmware development + Embedded Linux + ARM processors and system on a chip (SoC) systems +… more
    RTX Corporation (11/05/25)
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  • Cybersecurity Engineer

    TekSynap (Columbus, OH)
    …Handler + **CCSP** - Certified Cloud Security Professional **Clearance** + Must possess a Top Secret clearance with a favorable NACLC and be eligible for an ... perception, and ability to adjust focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** US Citizen Top Secret Clearance T-5 **OTHER DUTIES** Please note this job… more
    TekSynap (10/23/25)
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  • Electromechanical Engineer

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $100,000.00 - $200,000.00 Security Clearance: Top Secret Level of Experience: Senior Meet HII's Mission ... Are HII Mission Technologies Division is seeking a Electromechanical Engineer to work on a team executing integration efforts...complex problems. + Must have had an Active DOD Top Secret clearance within the last 24… more
    Huntington Ingalls Industries (11/19/25)
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