• Infrastructure Engineer - TS

    Insight Global (Richardson, TX)
    …strong Red Hat Linux System Administration background in an Agile Software Environment and ACTIVE Top Secret / SCI CI Poly clearance to join our team . This ... 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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  • Systems Engineer II - Infrastructure

    RTX Corporation (Richardson, TX)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... that create a safer, more secure world. We are seeking an Infrastructure Service Engineer to join our SETC Systems Engineering and Test Capabilities (SETC) team… more
    RTX Corporation (11/11/25)
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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 ... a safer, more secure world. Raytheon is seeking a highly motivated Software Infrastructure Engineering candidate to be an active participant on the Software … more
    RTX Corporation (11/19/25)
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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 ... that will improve the performance and reliability of the network security infrastructure + Applies capacity planning configuration changes as demanded by the… more
    ENS Solutions (09/27/25)
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  • Critical Facility Technician 4 - TS

    M. C. Dean (San Antonio, TX)
    …must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active Top - Secret / SCI with Polygraph required.** ... must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active Top - Secret / SCI with Polygraph required.**… more
    M. C. Dean (08/27/25)
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  • Virtualization Engineer - Active TS

    ENS Solutions (San Antonio, TX)
    …clients' biggest challenges, deliver on promise, and innovate the client's physical/virtual infrastructure for the future. Our work depends on a Virtualization ... Engineer joining our team to support Government activities in...+ Design and build virtual environment service models including Infrastructure -as-a-Service and Platform-as-a-Service. + Identify, design, and implement process… more
    ENS Solutions (09/27/25)
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  • Facility Engineering Manager 1 - TS

    M. C. Dean (San Antonio, TX)
    …must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS / SCI with Polygraph Clearance** . ... must meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS / SCI with Polygraph Clearance** . **Desired… more
    M. C. Dean (10/11/25)
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  • Safety Professional Lead - TS / SCI

    M. C. Dean (San Antonio, TX)
    …meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS / SCI with Polygraph Clearance.** Responsibilities ... may meet eligibility requirements, including US Citizenship, for access to classified information ; **Active TS / SCI with Polygraph Clearance.** + Experience… more
    M. C. Dean (09/23/25)
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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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  • 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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  • Senior DevOps Engineer

    CACI International (Austin, TX)
    …Aerospace Engineering, Computer Engineering, Physics, Math, or equivalent experience + Active TOP SECRET security clearance with SCI eligbility + ... Senior DevOps Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (11/07/25)
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  • Cloud Engineer (Level 3 or 4)

    Northrop Grumman (San Antonio, TX)
    …be considered in lieu of a degree. + US Citizenship required + A current/active DoD Top Secret w/ SCI clearance + Experience with designing, deploying and ... of your career. We are seeking an experienced **Cloud Engineer ** (Principal Cyber Systems Engineer or Sr....degree._ + US Citizenship required + A current/active DoD Top Secret w/ SCI clearance… more
    Northrop Grumman (11/12/25)
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  • Sr Staff Cyber Systems Engineer

    Northrop Grumman (San Antonio, TX)
    …A current/active DoD Secret clearance + The ability to obtain and maintain a DoD Top Secret w/ SCI clearance is required. + The ability to obtain and ... system development life cycles and methodologies, and insight into information technology infrastructure management/monitoring and applications +...Briefed to the Sentinel program + A current/active DoD Top Secret w/ SCI and SAP… more
    Northrop Grumman (11/15/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …Managed by Collins Aerospace** Collins Aerospace is looking for a talented **Senior Systems Engineer ** **with an active TS / SCI clearance** to work onsite in ... applications. + Windows Server experience + **Active and transferable US government issued** ** TS / SCI security clearance** **is required prior to start date** +… more
    RTX Corporation (09/03/25)
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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 ... more secure world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer ** with well-rounded Linux Infrastructure Engineering expertise to join an… more
    RTX Corporation (11/19/25)
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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 ... Engineer II / Linux** with experience in Linux Infrastructure Engineering to join an agile product team. The...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 ... world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer / Linux** with well-rounded Linux Infrastructure ...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI issued security clearance is required on… more
    RTX Corporation (11/15/25)
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  • Platform DevOps Engineer II (Onsite)

    RTX Corporation (Richardson, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... a safer, more secure world. As a **Platform DevOps Engineer II** , you will herald a transformative era...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (11/05/25)
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  • Network Engineer Tier 2

    CACI International (San Antonio, TX)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network...field + 5+ years of related work experience + TS / SCI w/ poly is required + DoD… more
    CACI International (10/25/25)
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