• 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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  • 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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  • Network Engineer - Staff

    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 ... operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ...with SCI or the ability to acquire Top Secret / SCI * 5+ years… more
    Amentum (10/03/25)
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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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  • Sr Principal Cyber Systems Engineer

    Northrop Grumman (San Antonio, TX)
    …be considered in lieu of a degree. + US Citizenship required + A current/active DoD Top Secret w/ SCI eligibility + Ability to obtain and maintain Special ... team. This role involves serving as a **Model-Based Systems Engineer ** (MBSE) on a team dedicated to the development...degree. + US Citizenship required + A current/active DoD Top Secret w/ SCI eligibility… more
    Northrop Grumman (09/11/25)
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  • Cyber Security Engineer (SME)

    GovCIO (San Antonio, TX)
    …will be an onsite position. **Responsibilities** Required Skills and Experience + Clearance Required: Top Secret / SCI + CISSP or other cert that meets 8570 ... years (or commensurate experience) Required Skills and Experience + Clearance Required: TS / SCI Preferred Skills and Experience: + Experience with Unix operating… more
    GovCIO (10/02/25)
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  • Principal Cybersecurity Test Engineer

    Northrop Grumman (San Antonio, TX)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Mission Systems (NGMS) is seeking a **Principal Cybersecurity Test Engineer ** to join our team of qualified, diverse individuals...Citizenship is required + Active Department of Defense (DoD) Top Secret Security Clearance is required to… more
    Northrop Grumman (10/07/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …upgrades **What We Look For in a Candidate** Basic Qualifications: + **Requires a Top Secret / SCI clearance** + On-call after hours/on-call support as ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting… more
    Lumen (10/08/25)
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  • Vulnerability Researcher/Reverse Engineer

    Nightwing (San Antonio, TX)
    …to audit a piece of C++ code. Required Skills + Ability to obtain a US Government TS / SCI Clearance + Experience with C or C++ Experience with Python + BS/MS in ... + 4 or more of the following desired skills Desired Skills + Existing US Government DOD TS or TS / SCI Clearance + Understanding of OS Internals (any major OS)… more
    Nightwing (09/17/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (San Antonio, TX)
    …be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities * Clearly communicate ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...Qualifications - Current, active US Government Security Clearance of TS / SCI with Polygraph - Knowledge of network… more
    Amazon (09/13/25)
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  • Senior Cloud DevOps Engineer

    CACI International (San Antonio, TX)
    Senior Cloud DevOps Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... One Production environments. **Qualifications:** **_Required:_** + US Citizenship required Current TS / SCI clearance + Experience with cloud automation, CI/CD, or… more
    CACI International (08/26/25)
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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 (07/26/25)
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  • Network Engineer Tier 3

    CACI International (San Antonio, TX)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network...experience + 10+ years of related work experience + TS / SCI w/ poly is required + Advanced… more
    CACI International (07/26/25)
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  • Cleared Data Center Electrical Engineer

    Amazon (San Antonio, TX)
    …the candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities Amazon's vision is to ... Description We have an immediate opening for a Field Engineer in the San Antonio, TX region. As an...want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security… more
    Amazon (08/08/25)
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  • DevOps Engineer

    Huntington Ingalls Industries (San Antonio, TX)
    …Other duties as assigned Minimum Qualifications + Security Clearance - A current TS / SCI US Government Security clearance is required; US citizenship required. + ... Enlighten, honored as a Top Workplace from USA Today, is a leader...solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.… more
    Huntington Ingalls Industries (10/10/25)
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  • Platform Engineer (Hybrid)

    Huntington Ingalls Industries (San Antonio, TX)
    …is essential to adapt to schedule changes as needed. Preferred Requirements + A TS / SCI level security clearance preferred. + Prior experience or familiarity with ... Enlighten, honored as a Top Workplace from USA Today, is a leader...solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.… more
    Huntington Ingalls Industries (09/01/25)
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  • Platform Engineer (Hybrid)

    Huntington Ingalls Industries (San Antonio, TX)
    …Ability to travel when needed, up to about 10%. Preferred Requirements + A TS / SCI level security clearance preferred. + DoD 8140 / 8570 compliance certifications ... Enlighten, honored as a Top Workplace from USA Today, is a leader...solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.… more
    Huntington Ingalls Industries (08/23/25)
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