• Software Engineer - Mid level

    CACI International (Austin, TX)
    Software Engineer - Mid level Job...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel ... * * **The Opportunity:** CACI is seeking a talented Software engineer to join our Capabilities Development..._Required:_ + US Citizenship and ability to obtain a TS / SCI security clearance + Bachelor's or equivalent… more
    CACI International (09/05/25)
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  • Scientist, Software Engineer

    L3Harris (Greenville, TX)
    …and SVN. Preferred Additional Skills: + Active US Top Secret / SCI clearance. + Demonstrated experience with software configuration management tools (eg ... in the interest of national security. Job Title: Scientist, Software Engineer Job Code: 30613 Job Location:...technical guidance to junior engineers. Qualifications: + Active US Secret clearance. + Bachelor's Degree and minimum 12 years… more
    L3Harris (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 ... in the interest of national security. Job Title: Lead, Software Engineer Job Code: 30612 Job Location:...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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  • TS / SCI Software

    Insight Global (San Antonio, TX)
    Job Description An employer is seeking a Mid-Level Software Engineer develops, maintains, and enhances complex and diverse software systems (eg, ... Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements Active TS / SCI Level Clearance Must have a minimum 5… more
    Insight Global (09/09/25)
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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 ... sea and cyber domains in the interest of national security. Job Title: Specialist, Software Engineer Job Code: 30529 Job Location: Greenville, TX Schedule: 9/80… more
    L3Harris (11/05/25)
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  • Software Engineer

    CACI International (Austin, TX)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel ... * * * **The Opportunity:** CACI seeks a talented software engineer to join our Command, Control,...technical items within the larger team. **Qualifications:** _Required:_ + TS / SCI security clearance + Bachelors or equivalent… more
    CACI International (11/11/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …global market. Collins Aerospace is seeking a highly motivated and talented Principal Software Engineer with a strong interest in the design, development and ... citizens are eligible for a security clearance **Security Clearance:** TS / SCI - Current Raytheon Company Managed by...team. The ideal candidate will be passionate about developing software solutions and solving complex problems, in support of… more
    RTX Corporation (09/21/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …global market. Collins Aerospace is seeking a highly motivated and talented Senior Software Engineer with a strong interest in the design, development and ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current Raytheon Company Managed by...team. The ideal candidate will be passionate about developing software solutions and solving complex problems, in support of… more
    RTX Corporation (11/06/25)
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  • Full Time - Software Infrastructure…

    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 ... create a safer, more secure world. Raytheon is seeking a highly motivated Software Infrastructure Engineering candidate to be an active participant on the … more
    RTX Corporation (11/19/25)
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  • Infrastructure Engineer - TS

    Insight Global (Richardson, TX)
    …Red Hat Linux System Administration background in an Agile Software Environment and ACTIVE Top Secret / SCI CI Poly clearance to join our team . This is ... Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements Active TS / SCI clearance with CI Poly - Active… more
    Insight Global (11/14/25)
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  • F5 Security Engineer - Active TS

    ENS Solutions (San Antonio, TX)
    information systems, telecommunications, or an engineering focused field + Must have an Active TS / SCI and willing to obtain a CI Poly + 5+ years of relevant ... security infrastructure and connectivity issues + Perform launch testing for new software releases and the introduction of new features + Coordinate equipment orders… more
    ENS Solutions (09/27/25)
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  • Critical Facility Technician 2 - TS

    M. C. Dean (San Antonio, TX)
    …must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS / SCI with Polygraph Required** **Passport ... of experience with electrical, mechanical, and fire/life safety equipment. + Active TS / SCI with Polygraph Required **Desired / Advantageous Qualifications:** +… more
    M. C. Dean (08/30/25)
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  • Virtualization Engineer - Active TS

    ENS Solutions (San Antonio, TX)
    …physical/virtual infrastructure for the future. Our work depends on a Virtualization Engineer joining our team to support Government activities in Sterling, VA or ... Annapolis Junction, MD. As a Virtualization Engineer supporting the Government, you will be responsible for physical/virtual platforms, server build deployments,… more
    ENS Solutions (09/27/25)
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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...required) Program & Project Management + MILCON Program Manager ( Top Secret / SCI ) + Project Manager… more
    KBR (11/22/25)
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  • Sr. Specialist, Systems Engineer - COMMS…

    L3Harris (Greenville, TX)
    …be considered with the ability to obtain a Top Secret with SCI Job Description: Mid-Senior level Systems Engineer to perform data analysis in tactical ... and release of related data management, processing, and reporting software tools. Essential Functions: + DOD Secret ...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 - ELINT

    L3Harris (Greenville, TX)
    …be considered with the ability to obtain a Top Secret with SCI Job Description: Senior level Systems Engineer to design, develop, and integrate ELINT ... engineering documents, data management tools, data processing, and reporting software tools. Essential Functions: + DOD Secret ...with the ability to obtain and maintain a DOD Top Secret ( TS / SCI )… more
    L3Harris (11/01/25)
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  • Unified Communication Engineer - Senior

    Amentum (San Antonio, TX)
    …part of a team in a dynamic environment **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS with the ability to acquire SCI ... operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ...Services (DCIN- TS ES) which is a DoD-provided, TS / SCI , integrated voice, video, and data, global… more
    Amentum (09/09/25)
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  • Unified Communications Engineer - Principal

    Amentum (San Antonio, TX)
    …part of a team in a dynamic environment **Clearance Required:** + Must have active Top - Secret clearance with SCI or TS with the ability to acquire SCI ... operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ...Services (DCIN- TS ES) which is a DoD-provided, TS / SCI , integrated voice, video, and data, global… more
    Amentum (09/17/25)
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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 + ... It all started in sunny San Diego, California in 2004 when a visionary engineer , Fred Luddy, saw the potential to transform how we work. Fast forward to today -… more
    ServiceNow, Inc. (11/06/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Security Clearance at the time of hire with the ability to obtain and maintain a DOD Top Secret ( TS / SCI ) Clearance. + Must be a US Citizen. Preferred ... interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 30686 Job Location: Greenville, TX (On-Site)...Additional Skills: + Active Top Secret with SCI . #LI-AH1… more
    L3Harris (11/08/25)
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