• 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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  • 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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  • 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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  • 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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  • 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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  • Solution Architect III

    Sierra Nevada Company, LLC (Plano, TX)
    …drive consensus among stakeholders. + **Ability to obtain/maintain a Top Secret US Security Clearance with SCI eligibility is required.** **Qualifications We ... platforms. The ideal candidate will have extensive experience in the software development process, tooling, and needs, system architecture, excellent communication… more
    Sierra Nevada Company, LLC (11/01/25)
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  • Lead , Project Engineering

    L3Harris (Greenville, TX)
    …program lifecycle. Essential Functions: + Secret Clearance with ability to achieve TS / SCI if deemed necessary, ability to travel, & working extended hours + ... land, sea and cyber domains in the interest of national security. Job Title: Lead , Project Engineer Job Code: 30136 Job Location: Greenville, TX Schedule: 9/80 Job… more
    L3Harris (11/01/25)
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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 ... derivation, review assembly & electrical drawings, familiarity of systems & software architecture as it applies to training systems, subcontractor management, report… more
    Sierra Nevada Company, LLC (09/19/25)
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  • Principal Specialist, Estimating & Pricing

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything we do is rooted in ... of reasonableness, audit responses, and negotiation strategy + Plan, lead and perform pricing and cost proposal development in...of 3 years experience + Experience with MS Office software (ex. Word, Power-Point, Excel) + Experience with Federal… more
    RTX Corporation (10/29/25)
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  • Senior Manager, Project Engineering

    L3Harris (Greenville, TX)
    …Execution (including control of engineering cost, schedule, and technical performance) + TS / SCI Clearance is required Preferred Additional Skills: + As a ... programs. Project Engineering requires technical expertise, a willingness to make decisions to lead the project team to the required capability or delivery, and the… more
    L3Harris (11/01/25)
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