• Systems Engineer

    KBR (Dayton, OH)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... to join our team in Dayton, OH. As a Systems Engineer , you will be responsible for...must have the ability to obtain and maintain a Top Secret security clearance. Desired Qualifications: +… more
    KBR (11/29/25)
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  • Desktop Systems Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …RQ210920 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team to support Government activities in Annapolis Junction, MD or… more
    General Dynamics Information Technology (11/26/25)
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  • Systems Engineer (Level 4), RF…

    Lockheed Martin (Littleton, CO)
    …To be considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \(TS/SCI\) clearance\. \- This position ... \- Experience integrating and verifying complex hardware and software systems at the subsystem or system level\....and software systems at the subsystem or system level\. \- Active TS/SCI security clearance required\. **Desired… more
    Lockheed Martin (12/10/25)
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  • Systems Engineer

    SOS International LLC (Annapolis Junction, MD)
    Annapolis Junction, MD, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI w/ CI Poly **Company Description** Founded in 1989, SOSi is among ... missions worldwide. **Job Description** Overview SOSi is seeking a Systems Engineer C4l and/or C5ISRT experience to...or electrical engineering. + 10 years of experience in system engineering. + 8 years of experience supporting software… more
    SOS International LLC (12/11/25)
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  • Systems Engineer (SE1)

    Lockheed Martin (Annapolis Junction, MD)
    …to stay ahead of emerging threats and opportunities\. **WHO YOU ARE** Experience as a Systems Engineer with the ability to multitask in a fast paced environment, ... Paid time off for work/life balance\. And more **Basic Qualifications:** An active Top Secret clearance with polygraph\. Seven \(7\) years' experience as a… more
    Lockheed Martin (12/04/25)
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  • Senior z/OS Systems Engineer

    Insight Global (Providence, RI)
    Job Description Job Overview The z/OS Systems Engineer is responsible for day-to-day production support and engineering of mainframe systems , as well as ... planning, and optimize for efficiency. * Implement and manage security measures (RACF/ Top Secret ). * Troubleshoot and resolve complex mainframe issues. *… more
    Insight Global (12/03/25)
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  • Information Systems Security…

    ManTech (Eglin AFB, FL)
    **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer (ISSE)** to join our Air Force / Space team at **Eglin AFB** ... to exchange accurate information in these situations. **Security Clearance:** + Current Top - Secret Clearance with SCI Eligibility + Eligibility for access to… more
    ManTech (11/14/25)
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  • EW Systems Engineer - Electronic…

    Lockheed Martin (Liverpool, NY)
    …advance EW systems for fixed, rotary wing, and unmanned aerial system application\. Electronic Warfare | Lockheed Martin\. Lockheed Martin Small Form Factor EW\. ... **What We're Doing** At Lockheed Martin Rotary and Mission Systems \(RMS\), we're at the forefront of developing cutting\-edge...* The opportunity to work alongside industry leaders and top \-notch design professionals\. * A chance to be a… more
    Lockheed Martin (10/31/25)
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  • Enterprise Systems Engineer - Data

    Noblis (Bethesda, MD)
    Responsibilities Noblis is seeking an experienced Enterprise Systems Engineer with a data focus to work in a dynamic mission-oriented environment within ... in enterprise architecture and data management. **Enterprise Architecture & Systems Design:** + Design and implement enterprise-level data replication...Must be a US citizen and have an active Top Secret Clearance with SCI and Polygraph.… more
    Noblis (11/19/25)
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  • Senior Software Engineer , Disruptive…

    RTX Corporation (Cedar Rapids, IA)
    …& Machine Learning techniques + Active and transferable US government issued Top Secret with SCI security clearance preferred Mission Systems : Do you want to ... Advanced Technology & Capabilities (ATC) Engineering seeks a Senior Software Engineer to join the Disruptive Systems Technology Team. Our cross-discipline… more
    RTX Corporation (09/23/25)
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