• Test Engineer

    CACI International (Sterling, VA)
    Test Engineer Job Category: Engineering Time Type: Full time...evidence. + Must be a US citizen with an active Top Secret /SCI DoD Security ... Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...* **The Opportunity:** Join our team as a Test Engineer and play a pivotal role in ensuring the… more
    CACI International (12/20/25)
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  • Senior DevOps Engineer

    CACI International (Chantilly, VA)
    …Engineering, 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 Required: Up… more
    CACI International (11/07/25)
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  • Cleared AI/ML Engineer (Multiple Levels)

    Noblis (Chantilly, VA)
    …**Noblis is seeking to hire an AI/ML Engineer (Multiple Levels) with an ACTIVE Top ** ** Secret with SCI and Polygraph in Chantilly, VA** As ... an experienced AI/ML Engineer with our team, you will be working with...environment Required Qualifications + US Citizenship is required + Active TS /SCI with Polygraph + Experience working… more
    Noblis (12/22/25)
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  • Security Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …successor + Bachelor's degree desired **Security Requirements:** + Active DoD Top Secret security clearance 1. One (1) engineer will require a TS /SCI ... **This position requires** **U.S. citizenship** **and an** ** active US DoD clearance** **.** **Candidates who are** **not US citizens** **are** **not** **eligible**… more
    Imagine One Technology & Management (12/24/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Chantilly, VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current ... Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and mission focused....etc.) - Experience writing detailed, technical documentation -8570 Compliance - Active TS /SCI + CI Poly - Ability… more
    Arena Technical Resources, LLC (11/29/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …and employ best practices + Demonstrated effective communication skills **Preferred Qualifications:** + Active DoD Top Secret / SCI security clearance + ... Are you interested in defining possible? **Northrop Grumman Mission Systems ** is seeking a **Principal Software Engineer ...with a minimum of 7 years of experience. + Active Secret security clearance required. Active… more
    Northrop Grumman (12/23/25)
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  • Senior Network Engineer Data Center Manager

    ManTech (Charlottesville, VA)
    …with and supporting Microsoft Office products **Clearance Requirements:** + Must have a current/ active TS /SCI clearance and the ability to obtain and maintain a ... for installs, tech refresh, and maintaining all IT hardware to support customer's Top - Secret Network. + Provides resolutions to out of the ordinary issues… more
    ManTech (12/31/25)
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  • Multi-disciplinary Engineer II

    Nightwing (Springfield, VA)
    …practical and theoretical engineering problems. **Required Qualifications** + Candidate must possess an ** active TS /SCI CI Poly** + MS or BS in Mechanical, ... this position, and it requires the ability to obtain and retain a US Top Secret Clearance with a successful Counterintelligence (CI) polygraph.** _At Nightwing,… more
    Nightwing (11/25/25)
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  • NOC Network Solutions Engineer

    Virtual Service Operations (Lorton, VA)
    …(Relocation Assistance Package Available). + Must be willing to work onsite. + Must have an active Top Secret ( TS ) security clearance + Must be willing ... NOC Network Solutions Engineer * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you... and drive the strategic evolution of our network systems . Opportunity: VSO is seeking an experienced and innovative… more
    Virtual Service Operations (10/31/25)
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  • Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    …support wargames and exercises Security Requirements: Active Top Secret clearance and eligible for SCI. Current TS /SCI preferred. Belong, Connect ... Title: Modeling and Simulation Engineer KBR is seeking a highly qualified Modeling...perform analysis support modeling and simulation of complex space systems . Analysis and Modeling & Simulation actives will support… more
    KBR (12/02/25)
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