• Full Time - Software Infrastructure…

    RTX Corporation (Richardson, TX)
    …that create a safer, more secure world. Raytheon is seeking a highly motivated Software Infrastructure Engineering candidate to be an active participant on the ... as only US citizens are eligible for a security clearance **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (11/12/25)
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  • Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …integration of aircraft RF and satellite communications systems, or cryptographic equipment. + Must have an active Top Secret with SCI at the time of hire. + ... cyber domains in the interest of national security. Job Title: Specialist, Systems Engineer Job Code: 30705 Job Location: Greenville, TX (On-Site) Job Schedule: 1st… more
    L3Harris (11/08/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Mckinney, TX)
    …approved college or university. + Active and transferable US government issued Top Secret security clearance + Experience in technical writing (eg, System ... team is looking for an experienced **Senior Principal Systems Engineer ** to join our team. This is an onsite...TX or El Segundo, CA. **This position requires an active DoD Secret security clearance prior to… more
    RTX Corporation (11/04/25)
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  • Senior Principal Electrical Engineer

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in ... evolving global market. We are currently seeking a Senior Principal Electrical Engineer in Richardson, TX with analog and digital design experience. The Senior… more
    RTX Corporation (10/22/25)
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  • Senior Principal Electrical Engineer

    RTX Corporation (Richardson, TX)
    …US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Joining Collins Aerospace isn't just about finding a job; ... of aerospace technology. We are currently seeking a Senior Principal Electrical Engineer in Richardson, TX with analog and VLF/LF-design experience. The Senior… more
    RTX Corporation (11/12/25)
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  • RADAR Signal Processing Engineer , Sr, 5…

    Lockheed Martin (Grand Prairie, TX)
    …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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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …Managed by Collins Aerospace** Collins Aerospace is looking for a talented **Senior Systems Engineer ** **with an active TS /SCI clearance** to work onsite in ... with configuring, integrating, troubleshooting applications. + Windows Server experience + ** Active and transferable US government issued** ** TS /SCI security… more
    RTX Corporation (09/03/25)
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  • DevOps Engineer II

    Sierra Nevada Company, LLC (Plano, TX)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required as this ... We are seeking an Experienced DevSecOps Engineer to support development and integration of next-generation...compliance automation (eg, STIGs, RMF, IaC hardening) throughout the software lifecycle + **Ability to obtain/maintain a Secret more
    Sierra Nevada Company, LLC (10/22/25)
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  • Senior Electrical Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …Prefer:** + Active possession of an active US government issued Secret or Top Secret clearance. + Experience designing airborne electronic products ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (10/09/25)
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  • Lead, Project Engineer

    L3Harris (Waco, TX)
    Secret Security Clearance with the ability to obtain and maintain a DoD Top Secret (SCI) Security Clearance, which requires US Citizenship. + Demonstrated ... TX Schedule: 9/80 Job Description: L3Harris is actively seeking a Lead Project Engineer (PE) to support the bid and execution of complex system integration efforts… more
    L3Harris (10/30/25)
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