• OCONUS Field Engineer - TS /SCI…

    Leidos (Chantilly, VA)
    …team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator. Prior OCONUS experience and ... included.** **Clearance Requirement:** **All candidates for consideration, must possess an active and in-scope TS /SCI Polygraph.** **Basic Qualifications:** +… more
    Leidos (11/07/25)
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  • Sr. Software Engineer TS /SCI…

    Leidos (Alexandria, VA)
    **Description** Leidos has an exciting opportunity for a Sr. Software Engineer ! *Must have an active TS /SCI Polygraph up front. No exceptions.* You will ... as both an individual and a member of our top -notch agile development team building a large complex enterprise...and shared actions for developers and testers. You will engineer , author, tune and document automation scripts in a… more
    Leidos (12/10/25)
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  • Facility Engineering Manager 1- TS /SCI…

    M. C. Dean (Vienna, VA)
    …US Citizenship, for access to classified information; **Applicant must hold an active Top - Secret /SCI with Poly clearance.** Responsibilities Responsible for ... life safety, automation and controls, audio visual, and IT systems . MC Dean is headquartered in Tysons, Virginia, and...for access to classified information; **Applicant must hold an active Top - Secret /SCI with Poly clearance.**… more
    M. C. Dean (10/14/25)
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  • Facilities Mechanical Engineer

    Leidos (Springfield, VA)
    …stakeholders, contractors, and regulatory authorities. + Familiarity with Facility Management Control Systems (FMCS). + Active Professional Engineer (PE) ... codes, energy standards, and industry regulations. **Basic Qualifications** + **Must have an active TS /SCI with a Polygraph clearance.** + Bachelor's degree in… more
    Leidos (11/15/25)
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  • Sr. Network Administrator - TS required

    Huntington Ingalls Industries (Virginia Beach, VA)
    …help desk environment, including ticketing and customer communications Credintials: + Current or Active US Top Secret clearance (must maintain throughout ... Full Time/Salaried/Exempt Anticipated Salary Range: $86,177.00 - $130,000.00 Security Clearance: Top Secret Level of Experience: Mid This opportunity resides… more
    Huntington Ingalls Industries (12/20/25)
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  • Senior Software Developer - TS /SCI…

    Leidos (Reston, VA)
    …the government problem domain. **Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ... Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities...test, simulation, and verification of software simulation or decision systems . A successful applicant will be able to write… more
    Leidos (12/21/25)
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  • Capability Integration Lead ( TS /SCI)

    Tau Six (Arlington, VA)
    …national security IT integration projects for a critical DoD customer. CLEARANCE REQUIRED: Active Top Secret /SCI US Government clearance The Capabilities ... an agile small company delivering cutting edge cybersecurity and systems integration services to the US National Security market,...more years of experience + Proven experience as IT engineer , project manager or similar role + Experience in… more
    Tau Six (12/21/25)
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  • HVAC Technician 3 - TS /SCI with Polygraph

    M. C. Dean (Charlottesville, VA)
    …requirements, including US Citizenship, for access to classified information; ** Active TS /SCI with Polygraph** **License/Certification Requirement:** Applicants ... meet eligibility requirements, including US Citizenship, for access to classified information; ** Active TS /SCI with Polygraph** + Applicants selected must hold a… more
    M. C. Dean (11/26/25)
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  • Cybersecurity Automation Subject Matter Expert…

    Koniag Government Services (Arlington, VA)
    …company **,** is seeking a Cybersecurity Automation Subject Matter Expert (SME) with an active TS /SCI to support KITS and our government customer at the Mark ... and streamline cybersecurity compliance. The Cybersecurity Automation SME will engineer and implement automated solutions that accelerate Assessment & Authorization… more
    Koniag Government Services (01/06/26)
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  • Senior Technical Consultant, Platform - Federal…

    ServiceNow, Inc. (Vienna, VA)
    …+ Up to 50% travel annually, driven by customer needs and internal meetings + ** Active TS /SCI Clearance with Full Scope Polygraph (FSP) Required** + 3 years of ... It all started in sunny San Diego, California in 2004 when a visionary engineer , Fred Luddy, saw the potential to transform how we work. Fast forward to today -… more
    ServiceNow, Inc. (12/30/25)
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