• 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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  • KBR DoD SkillBridge Internship - Multiple Roles…

    KBR (Houston, TX)
    …civilian career in engineering, IT, logistics, or business operations Preferred Qualifications + Existing Secret or Top Secret / SCI clearance (many roles ... Electrical & Instrumentation Designer + Big Data Systems Engineer ( TS / SCI clearance) + Lead Flight...required) Program & Project Management + MILCON Program Manager ( Top Secret / SCI ) + Project Manager… more
    KBR (11/22/25)
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  • Network Defense and Analysis Shift Lead

    CACI International (San Antonio, TX)
    …reports to government senior leaders and decision makers. **Qualifications:** _Required:_ + DoD Top Secret / SCI Security Clearance + BS in related field, ... Network Defense and Analysis Shift Lead Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (11/20/25)
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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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  • 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 ... will receive daily tasking and prioritization from their site lead . The selected candidate will be responsible for operations...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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  • Product Owner (Hybrid)

    Huntington Ingalls Industries (San Antonio, TX)
    …support to users of the Air Force BDP and its applications. + Serve as the lead for gathering software requirements from Air Force customers and convey them to ... Enlighten, honored as a Top Workplace from USA Today, is a leader...assigned. Minimum Qualifications + + Security Clearance: A current TS / SCI level US Government security clearance is… more
    Huntington Ingalls Industries (11/12/25)
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  • Senior Security Systems Engineer - Clearance…

    Cydecor, Inc. (Crystal City, TX)
    …Environment (CE) training within six (6) months of hire. Security Clearance: + Active Top Secret or higher required ( SCI eligibility preferred). + Any ... and business platforms. We leverage leading-edge secure systems and software development, backed by industry-leading subject matter expertise, and...Validator supporting SLBM must also possess TS with SCI eligibility. Education: + Bachelor's… more
    Cydecor, Inc. (11/20/25)
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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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  • Senior DevOps Engineer

    CACI International (Austin, TX)
    …Aerospace Engineering, Computer Engineering, Physics, Math, or equivalent experience + Active TOP SECRET security clearance with SCI eligbility + ... Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10%… more
    CACI International (11/07/25)
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