• Principal Systems Engineer (MBSE) (Onsite))

    RTX Corporation (Dulles, VA)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS /SCI with CI Poly - Current At ... team environment (Government, Military, SETA, and Contractor). + **An active and transferable TS /SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (10/13/25)
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  • Network Engineer (Levels 2, 3)

    CACI International (Springfield, VA)
    … (Levels 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... Services (TCS) program is actively hiring a team of TS /SCI cleared Network Engineers to support an Intelligence Community...and performance of the network including hardware and management software . + Develop and maintain a road map for… more
    CACI International (11/10/25)
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  • Cloud Computing Engineer SME

    KBR (Chantilly, VA)
    …the ability to convey complex security concepts to technical and non-technical stakeholders Clearance : TS /SCI clearance with a Polygraph Belong, Connect and ... Title: Cloud Computing Engineer SME Belong. Connect. Grow. with KBR! KBR's...cloud-enabled platforms + Experience using Agile; DevSecOps, and Modem Software Factory practices that separate data from applications; use… more
    KBR (10/21/25)
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  • LAN/WAN Engineer SME

    IT Veterans (Alexandria, VA)
    LAN/WAN Engineer SME Alexandria, VA . Information Technology Apply...to join our team. You must have an active TS /SCI clearance with the ability to gain ... Now LAN/WAN Engineer SME Alexandria, VA Job Summary: IT Veterans is...a DoD or IC environment desired + Current active TS /SCI clearance , with the ability to obtain… more
    IT Veterans (11/07/25)
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  • Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    …Engineer /Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... governing configuration management and change control. **Qualifications:** _Required:_ + Active TS /SCI w/ Poly clearance is required. + Bachelor's degree… more
    CACI International (09/26/25)
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  • Project Engineer (Future Openings)

    In-Q-Tel, Inc. (Mclean, VA)
    …with a collaborative mindset. + Candidates must meet eligibility requirements for a US top - secret clearance . To perform this job successfully, an individual ... deployment, maintenance, and support of a range of hardware and software technologies. These can include cloud infrastructure, AI/ML applications, geospatial… more
    In-Q-Tel, Inc. (10/07/25)
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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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  • Senior Field Engineer

    Leidos (Chantilly, VA)
    **Description** Leidos is looking for a Sr Field Engineer with a TS /SCI with polygraph to support work on an information technology (IT) contract. The contract ... Hosting, Mission Unique Services, and Business Management. The Systems Engineer will analyze internal and external client needs and...HVAC service provider. Basic Qualifications: + Must have a TS /SCI clearance with polygraph to be considered.… more
    Leidos (11/06/25)
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  • CSfC Systems Engineer SME

    CACI International (VA)
    …Engineer SME Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... Continental US * * * Seeking a Senior Systems Engineer to provide Subject Matter Expertise for Archon's Commercial...CompTIA Security+; or Certified Information Security Manager (CISM) **A TS /SCI clearance is required to begin employment.… more
    CACI International (11/19/25)
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  • Security Engineer , AWS Cross Domain…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the ... basic tasks using command line tools - Current, active US Government Security Clearance of TS /SCI with Polygraph Preferred Qualifications - 2+ years of… more
    Amazon (10/31/25)
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