• Systems Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz ... + 5+ years of experience as a systems administrator, network engineer , or cybersecurity engineer ...interpret, and analyze te chn ical documentation + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • Lead Infrastructure Systems Engineer

    NANA Regional Corporation (Alexandria, VA)
    …team. **Qualifications** + Top Secret ( TS ) clearance with Sensitive Compartmented Information ( SCI ) eligibility. + Bachelor's degree in ... Lead Engineer will collaborate closely with cybersecurity, application, and network teams to ensure resilient, scalable, and compliant IT solutions. This… more
    NANA Regional Corporation (07/01/25)
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  • Information System Security Engineer

    Amentum (Warrenton, VA)
    …is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a DoD-provided, ... so, look no further. Amentum is seeking a **Senior Information System Security Engineer (ISSE)** to join...classifications levels. **Requirements:** + Must have active Top - Secret clearance with SCI or TS more
    Amentum (07/29/25)
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  • Sr Linux Admin (Active FS Poly)

    World Wide Technology (Reston, VA)
    **QUALIFICATIONS:** + 7+ years of experience as a Network Engineer /Security Engineer + ** Top Secret / SCI with full scope poly Security Clearance ... + Detailed understanding of cyber security methodologies + Experience with network design and architecture, including high availability, scalability, and disaster… more
    World Wide Technology (06/06/25)
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  • Microsoft Endpoint Configuration Manager (MECM)…

    Amentum (Warrenton, VA)
    …is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a DoD-provided, ... SCI , integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key...a dynamic environment **Clearance Required:** + Active Top - Secret clearance with SCI or TS more
    Amentum (06/27/25)
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  • Site Reliability Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …have an **active** US Government Top Secret Clearance with access to Sensitive Compartmented Information ( SCI ) based on a Single Scope Background ... Microsoft has an exciting opportunity for a Site Reliability Engineer in the Cloud+AI Silver Team. This team will be responsible for deploying and operating a Secure… more
    Microsoft Corporation (08/08/25)
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  • Mission Infrastructure Specialist

    CACI International (Chantilly, VA)
    …organization **Qualifications:** _Required:_ * Active Top Secret / Sensitive Compartmented Information ( TS / SCI ) clearance, with polygraph * 5+ ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage...* **The Opportunity:** CACI is seeking a VDI Automation Engineer to assist with the development, deployment, and O&M… more
    CACI International (08/08/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …have an **active** US Government Top Secret Clearance with access to Sensitive Compartmented Information ( SCI ) based on a Single Scope Background ... Microsoft has an exciting opportunity for a Software Engineer II in the Cloud+AI Silver Team. This...and Firewall). Our team designs, builds, and operates critical network infrastructure our clients rely on every day. We… more
    Microsoft Corporation (07/27/25)
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  • Software Engineer

    Guidehouse (Springfield, VA)
    **Job Family** **:** Software Engineering (SWE) **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI ( TS / SCI ) **What You ... **:** + An ACTIVE and MAINTAINED TOP SECRET with SCI ( TS / SCI...Python + Hands on programming and scripting experience for network automation + Experience with web-based technologies and programming… more
    Guidehouse (07/10/25)
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  • Test & Evaluation Engineer

    Serco (Arlington, VA)
    …To be successful in this role, you will have: + Active DoD Top Secret clearance with TS / SCI eligibility + A Bachelor's degree and10 years of ... Defense, Serco has a great opportunity for you! The Engineer V will be part of a dynamic team...Clearance** _Other_ **Clearance Details** _Active DoD Top Secret clearance with TS / SCI eligibility_… more
    Serco (08/04/25)
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