• TS / SCI Lead Software

    Insight Global (Greenville, TX)
    Job Description This role is for a sophisticated Lead Software Architect / Application Lead who is experienced in leading architecture and system designs for ... 40% on site in Greenville Texas at a cleared TS / SCI facility leading integration efforts and 60%...deep passion for writing exceptional code and building world-class software products that serve millions of users. They will… more
    Insight Global (11/07/25)
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  • Lead , Software Engineer

    L3Harris (Greenville, TX)
    …scripting languages such as Bash and Python. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Experience in Design Patterns and ... domains in the interest of national security. Job Title: Lead , Software Engineer Job Code: 30612 Job...technical guidance to junior engineers. Qualifications: + Active US Secret clearance. + Bachelor's Degree and minimum 9 years… more
    L3Harris (11/05/25)
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  • Contractor SAP Security Officer (CSSO)

    Lockheed Martin (Fort Worth, TX)
    …candidate will: develop, implement, and administer a Special Access Program \(SAP\) and/or a Sensitive Compartmented Information \( SCI \) program as well ... DOD 5205\.07 Special Access Program \(SAP\) Security Manuals, and DOD 5105\.21 Sensitive Compartmented Information \( SCI \) Manuals\. Understand… more
    Lockheed Martin (10/25/25)
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  • Lead , Systems Engineer - ELINT

    L3Harris (Greenville, TX)
    …+ DOD Secret Clearance with the ability to obtain and maintain a DOD Top Secret ( TS / SCI ) Security Clearance is required. Qualifications: + Bachelor's ... domains in the interest of national security. Job Title: Lead , Systems Engineer - ELINT Job Code: 30649 Job...with the ability to obtain and maintain a DOD Top Secret ( TS / SCI )… more
    L3Harris (11/01/25)
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  • Principal Product Excellence Architect

    ServiceNow, Inc. (Addison, TX)
    …and portals + United States Top Secret / Sensitive Compartmented Information ( TS / SCI ) Clearance with Full-Scope-Polygraph (FSP) a plus + ... standard capabilities in their efforts to improve their IT processes + Lead customer design workshops focused on ServiceNow Platform and IT Asset Management… more
    ServiceNow, Inc. (11/06/25)
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  • Program Management, Senior Manager

    Lockheed Martin (Grand Prairie, TX)
    …clearance; Must be able to obtain a Top Secret / Special Compartmented Information \( TS / SCI \) security clearance\. **Desired Skills:** + Program ... team is responsible for researching, developing, and delivering leading\-edge software , hardware, and security solutions to protect platform/weapon systems...Active Top Secret / Special Compartmented Information \( TS / SCI \)… more
    Lockheed Martin (09/20/25)
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  • Lead , Systems Engineer - COMMS & Datalink

    L3Harris (Greenville, TX)
    …Active Secret Clearance required to be considered with the ability to obtain a Top Secret with SCI Job Description: The Senior level Systems Engineer is ... domains in the interest of national security. Job Title: Lead , Systems Engineer - COMMS & Datalink Job Code:...Secret Clearance with the ability to obtain a Top Secret with SCI . +… more
    L3Harris (10/05/25)
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  • Lead , Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret DoD Clearance with abilty to obtain and maintain a Top Secret with SCI . + Current Secruity+ Certification is required. + Must ... domains in the interest of national security. Job Title: Lead , Systems Engineer Job Code: 29157 Job Location: Greenville,...be a US Citizen. Preferred Additional Skills: + Active TS w/ SCI . #LI-AH1 L3Harris Technologies is proud… more
    L3Harris (09/24/25)
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  • Lead , Systems Engineering (SIGINT/COMINT)

    L3Harris (Greenville, TX)
    …+ Active SECRET clearance required at the time of hire with the ability to obtain a Top Secret with SCI . + Must be able to successfully pass an FAA Class ... domains in the interest of national security. Job Title: Lead , Systems Engineer (SIGINT/COMINT) Job Code: 30387 Job Location:...be a US Citizen. Preferred Additional Skills: + Active TS / SCI clearance. + Cybersecurity Certification such as… more
    L3Harris (10/26/25)
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  • Sr. Manager, Enterprise Architect & Strategy…

    RTX Corporation (Richardson, TX)
    …Prefer:** + Current DoD Security Clearance ( Secret ) with the ability to obtain a Top - Secret ( TS / SCI ) clearance + Advanced Degree (ie, MS, Ph.D.) or ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI The Strategic Business Unit (SBU) and Enterprise Architect (EA)… more
    RTX Corporation (11/14/25)
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  • Associate Director, Systems Engineering…

    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; ... and minimum 10 years of experience + Active DoD Top Secret clearance or higher. + Minimum...interagency environments with cross-domain integration requirements. + Active DoD TS / SCI Clearance Do you want to be… more
    RTX Corporation (09/26/25)
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  • Cyber R&D Program Manager / DoD / Level 5

    Lockheed Martin (Grand Prairie, TX)
    Secret clearance; Ability to obtain a Top Secret / Special Compartmented Information \( TS / SCI \) security clearance\. * Lead complex ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (10/11/25)
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  • Sr. Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …position requires an ACTIVE Secret Clearance with the ability to obtain/maintain Top Secret / SCI Security Clearance, which requires US Citizenship. Job ... based development environment Qualifications: + US Citizenship + Ability to obtain/maintain a Top Secret / SCI Security Clearance + Bachelor's Degree and… more
    L3Harris (09/25/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current Raytheon Company Managed by Collins Aerospace Collins ... Aerospace is seeking a highly motivated and talented Senior Software Engineer with a strong interest in the design,...9 years of relevant experience + Active and transferable TS / SCI US government issued security clearance is… more
    RTX Corporation (11/06/25)
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  • Systems Engineer Sr Stf - Level 5

    Lockheed Martin (Fort Worth, TX)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression ... related discipline * Experience integrating and testing hardware and/or software * Active Secret Clearance will be...conflict, and manage interpersonal dynamics * Security\+ Certification * TS / SCI Clearance will be required for this… more
    Lockheed Martin (09/13/25)
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  • Senior AI Engineer (Computer Vision, hybrid)

    Lockheed Martin (Fort Worth, TX)
    …or small teams Familiarity with transitioning prototype software to production Top Secret // SCI Clearance **Security Clearance Statement:** This ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (10/25/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance **Security Clearance:** TS / SCI - Current Raytheon Company Managed by Collins Aerospace Collins ... Aerospace is seeking a highly motivated and talented Principal Software Engineer with a strong interest in the design,...products. ​ At Collins, the paths we pave together lead to limitless possibility. And the bonds we form… more
    RTX Corporation (09/21/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current **Raytheon Company Managed by Collins Aerospace** Collins ... Aerospace is looking for a talented **Senior Systems Engineer** **with an active TS / SCI clearance** to work onsite in Richardson, TX. Collins Aerospace, an RTX… more
    RTX Corporation (09/03/25)
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  • Staff AI Researcher (mid-career, hybrid)

    Lockheed Martin (Grand Prairie, TX)
    …or small teams Familiarity with transitioning prototype software to production Top Secret // SCI Clearance **Security Clearance Statement:** This ... capability to our customers\. With a strong focus on software engineering and computer science, this role is perfect...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (10/25/25)
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  • Staff AI/SW Engineer (mid-career, hybrid)

    Lockheed Martin (Fort Worth, TX)
    …or small teams Familiarity with transitioning prototype software to production Top Secret // SCI Clearance **Security Clearance Statement:** This ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know** **Expression of Interest:**… more
    Lockheed Martin (10/25/25)
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