• Systems Integration Engineer

    CACI International (Austin, TX)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... a small team to develop, maintain, and improve existing software systems + Execute the research, engineering, and development...be a US Citizen + Must currently hold a TS / SCI clearance with a polygraph + Bachelor's… more
    CACI International (12/11/25)
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  • AI Machine Learning Engineer

    SAIC (Chantilly, VA)
    …operations. This position is in **Chantilly, VA** and requires an **active TS / SCI clearance with Polygraph.** **JOB RESPONSIBILITES INCLUDE:** + Train machine ... and respond based on those factors. **Qualifications** + Active TS / SCI with polygraph. + Bachelors in computer...SCI with polygraph. + Bachelors in computer science, information systems, or a related field and 9 years… more
    SAIC (10/04/25)
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  • Systems Engineer

    Shuvel Digital (Dulles, VA)
    …+ Must be a US Citizen + Secret Clearance. Must be able to obtain a TS / SCI clearance + Must be able to obtain DHS Suitability + 8+ years of directly relevant ... Job Title: Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract...to obtain DHS Suitability. Must be able to obtain TS / SCI . Description: Our client is supporting a… more
    Shuvel Digital (12/25/25)
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  • Network Engineer

    CACI International (Mclean, VA)
    Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... * **The Opportunity:** CACI is looking for a Network Engineer to join the Luke Team! You will support...weekly activity report **You'll Bring These Qualifications:** **Required:** + TS / SCI poly + Bachelor's degree preferably in… more
    CACI International (11/20/25)
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  • Resiliency Systems Engineer (Level 4)

    Lockheed Martin (Sunnyvale, CA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... performing complex component\- or system\-level performance analyses * Active TS / SCI security clearance \(U\.S\. citizenship required\) **Desired Skills:**… more
    Lockheed Martin (11/06/25)
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  • Spacecraft Systems Engineer

    SAIC (Chantilly, VA)
    …** . This position is located in **Chantilly, VA** and requires an **active TS / SCI clearance with Polygraph** . This role will support a program office ... changes are effectively communicated and implemented. **Qualifications** **Qualifications:** + Active TS / SCI Clearance with Polygraph. + Bachelor of Science… more
    SAIC (11/06/25)
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  • CSfC Network Engineer

    CACI International (Fort Bragg, NC)
    CSfC Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... US Citizenship (no waiver) and currently hold an active TS / SCI with Poly (no waiver)** + Minimum...defining, documenting, and enforcing system standards. + Provides detailed information for hardware and software selection, implementation… more
    CACI International (10/15/25)
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  • Lead, Thermal Mechanical Engineer (Space…

    L3Harris (Wilmington, MA)
    …with thermal vacuum testing + Ability to obtain and maintain a US TS / SCI Security Clearance Preferred Additional Skills: + Experience with finite element ... The role requires utilizing state of the art custom software in conjunction with Thermal Desktop and Finite Element...Microsoft office tools (Word, Excel, PowerPoint, etc.) + Active TS / SCI clearance In compliance with pay transparency… more
    L3Harris (10/12/25)
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  • Principal Systems Engineer

    Applied Research Solutions (Bedford, MA)
    …as assigned. **Qualifications/ Technical Experience Requirements:** + Must be a US citizen + Top Secret Security Clearance with SCI eligibility + Familiarity ... **Description** Applied Research Solutions is seeking a full-time Principal Innovation Engineer providing support to the Command, Control, Communications, and Battle… more
    Applied Research Solutions (12/24/25)
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  • Aerospace Modeling and Simulation Engineer

    Leidos (Huntsville, AL)
    …Candidate must be a US citizen and have the ability to obtain a DoD Top Secret / SCI with CI Polygraph security clearance with Leidos. **Preferred ... **Description** Leidos is seeking a talented Aerospace Modeling and Simulation Engineer within the Flight Systems Department. As part of the Leidos Threat Analysis… more
    Leidos (12/12/25)
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