• Specialist, Integration & Test Engineer

    L3Harris (Greenville, TX)
    Secret clearance at the time of hire with the ability to obtain and maintain Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: ... in the interest of national security. Job Title: Specialist, Integration & Test Engineer (Test Director) Job Code: 30845 Job Location: Greenville, TX (On-Site) Job… more
    L3Harris (11/07/25)
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  • Project Engineer I (Hybrid)

    Sierra Nevada Company, LLC (Plano, TX)
    …Security Clearance with the ability to obtain and maintain a Top Secret US Security Clearance with SCI eligibility** **is required** **Qualifications We ... SNC for your next mission. Learn more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . As a Project Engineer I, you'll support SAOC… more
    Sierra Nevada Company, LLC (09/19/25)
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  • Scientist, Software Engineer

    L3Harris (Greenville, TX)
    …tools such as Git and SVN. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Demonstrated experience with software configuration ... domains in the interest of national security. Job Title: Scientist, Software Engineer Job Code: 30613 Job Location: Greenville, TX Schedule: 9/80 Job Description:… more
    L3Harris (11/07/25)
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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. + ... 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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  • Hardware System Engineer

    CACI International (Austin, TX)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... **The Opportunity:** CACI is seeking a talented hardware System engineer to join our Capabilities Development group within the...US Citizenship and ability and willingness to obtain a TS / SCI security clearance. + Bachelors or equivalent… more
    CACI International (09/05/25)
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  • Vulnerability Researcher/Reverse Engineer

    Nightwing (San Antonio, TX)
    …to audit a piece of C++ code. Required Skills + Ability to obtain a US Government TS / SCI Clearance + Experience with C or C++ Experience with Python + BS/MS in ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to...desired skills Desired Skills + Existing US Government DOD TS or TS / SCI Clearance +… more
    Nightwing (09/17/25)
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  • Specialist, Software Engineer

    L3Harris (Greenville, TX)
    …+ Active US Secret clearance and able to obtain and maintain active US Top Secret / SCI clearance. + Bachelor's Degree and minimum 4 years of prior ... domains in the interest of national security. Job Title: Specialist, Software Engineer Job Code: 30529 Job Location: Greenville, TX Schedule: 9/80 Job Description:… more
    L3Harris (11/05/25)
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  • Senior Platform Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... Tcl/Tk + Experience with automation tools: Ansible, Terraform, Jenkins, Bitbucket + Current TS / SCI issued security clearance is required day 1. US citizenship is… more
    RTX Corporation (10/23/25)
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  • Platform Engineer II / Linux (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... secure world. Raytheon Technologies (RTX) is seeking a **Platform Engineer II / Linux** with experience in Linux Infrastructure...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI issued security clearance is required day… more
    RTX Corporation (11/15/25)
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  • Senior. Platform Engineer / Linux (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... with programming languages (Eg Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI issued security clearance is required on day 1. US citizenship is… more
    RTX Corporation (11/15/25)
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