• Sr Principal Systems Engineer

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret **Are you looking to make a meaningful, positive impact ... of a program to recapitalize with the next-generation capabilities. As our next ** Senior ** **Principal Systems Engineer ** we will provide the training and tools… more
    RTX Corporation (11/01/25)
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  • RADAR Signal Processing Engineer

    Lockheed Martin (Grand Prairie, TX)
    …STEM degree plus 3 or more years of professional relevant experience\. \*Active DoD Secret or Top Secret Clearance is Required \(US Citizenship Required\)\. ... **Description:** You will be the RADAR Signal Processing Engineer for Lockheed Martin's team in Grand Prairie, TX\. Our team is at the forefront of Airborne RADAR… more
    Lockheed Martin (10/22/25)
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  • Sr . Mechanical Engineer

    RTX Corporation (Richardson, TX)
    …tools. **Qualifications We Prefer:** + Active possession of an active US government issued Secret or Top Secret clearance. + Practical experience in design ... Integrated Platform Solutions (IPS) engineering team is seeking a highly motivated Senior Level Mechanical Engineer that is passionate about the development… more
    RTX Corporation (10/26/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …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 + ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting… more
    Lumen (11/05/25)
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  • Sr . Associate, Systems Integration / Test…

    L3Harris (Waco, TX)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Sr . Associate, Systems Integration / Test Engineer Job ID: 30632 Job Location: ... hire opportunity as a Specialist, Systems Integration / Test Engineer for our facility in Waco, TX. This position...not limited to: + Performs development and execution of software quality methods and processes. + Responsible for tests,… more
    L3Harris (11/08/25)
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  • Sr . Spec, Systems Engineering (Mission…

    L3Harris (Greenville, TX)
    Secret clearance at the time of hire with the ability to obtain and maintain a Top Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + ... domains in the interest of national security. Job Title: Sr . Specialist, Systems Engineer Job Code: 30508...Active Top Secret with SCI. + Security+ Certification.… more
    L3Harris (10/30/25)
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  • Unified Communication Engineer

    Amentum (San Antonio, TX)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... If so, look no further. Amentum is seeking a Senior Unified Communication Engineer to join our...a dynamic environment **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (09/09/25)
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  • Sr . Specialist Solutions Architect…

    Amazon (Austin, TX)
    …broad industry experience and will have high visibility at the most senior levels of customer organizations, including frequent interaction with customer board, ... their staff, and AWS senior leadership. The position, as part of the AWS...in a customer-facing, sales-aligned role such as consultant, solutions engineer or solutions architect. - Experience in directly supporting… more
    Amazon (10/15/25)
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  • Lead, Systems Engineer - ELINT

    L3Harris (Greenville, TX)
    …the ability to obtain a Top Secret with SCI Job Description: Senior level Systems Engineer to design, develop, and integrate ELINT Systems on the RC-135 ... engineering documents, data management tools, data processing, and reporting software tools. Essential Functions: + DOD Secret ...with the ability to obtain and maintain a DOD Top Secret ( TS /SCI) Security Clearance… more
    L3Harris (11/01/25)
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  • Principal OR Senior Principal Field Service…

    Northrop Grumman (Winters, TX)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Aeronautics Systems is looking to add a **Principal OR Senior Principal Field Service Engineer - Network...by Company, based on OCONUS location. + **Active DoD Top Secret clearance** (with a background investigation… more
    Northrop Grumman (09/17/25)
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