• SIGINT Sensor Manager (Onsite)

    RTX Corporation (Beale AFB, CA)
    …required, as only US citizens are eligible for a security clearance ​ ** Security Clearance :** TS / SCI - Current Raytheon Company Managed by Collins ... Security + or higher DoD 8570 certification. + Active and transferable TS / SCI US government issued security clearance is required prior to start… more
    RTX Corporation (11/19/25)
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  • Optical Architecture and Analysis Principal

    Lockheed Martin (Sunnyvale, CA)
    …, you must be a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of Interest:** ... US Citizen\. The ability to obtain and maintain a TS / SCI clearance \. **Desired Skills:** *...relationships with government organizations such as NGA, AFRL, etc\. ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (11/01/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …multiple security domains. + Must have an active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI . + Must be ... a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI . +...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (11/01/25)
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  • Embedded Software Engineer

    Leidos (Linthicum, MD)
    …the Information Assurance Security Requirements Document (IASRD) + Security Clearance Requirement + Active TS / SCI with a polygraph. Must be a US ... of Crypto Core Products; Test System Design and Development; Information Assurance Security Documentation, Evaluation and Certification;...Citizen ** Security Clearance Requirement** Active TS / SCI with… more
    Leidos (10/14/25)
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  • Electrician

    Leidos (Augusta, GA)
    …and less than 1 year of prior relevant experience. + Security Clearance : Top Secret ( TS / SCI ) w/ Poly At **Leidos** , the opportunities are ... and exciting opportunity for a Electrician in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)**...hand and power tools. Qualified candidate must obtain a TS / SCI with Poly clearance +… more
    Leidos (12/19/25)
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  • General Maintenance Technician (Night Shift)

    Leidos (Augusta, GA)
    …+ Previous experience in maintenance or a related field + Security Clearance : Top Secret ( TS / SCI ) w/ CI Poly At **Leidos** , the opportunities ... a **General Maintenance Technician (Night Shift)** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)**...and below floor spaces. + Must possess a current TS / SCI clearance with Poly +… more
    Leidos (12/02/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …Engineering (SYE) **Travel Required** **:** Up to 10% ** Clearance Required** **:** Active Top Secret SCI with Polygraph **What You Will Do** **:** As ... Need** **:** + An ACTIVE and MAINTAINED TS / SCI Federal or DoD security clearance...patching, and system monitoring + Demonstrated experience with IC information technology (Linux and Windows) and security more
    Guidehouse (12/25/25)
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  • Network / Communications Engineer (Full…

    Parsons Corporation (Reston, VA)
    …and training methodologies. ** Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... and network diagrams. + Domestic/International travel may be required + Active TS / SCI is required **Full Performance Requirements:** + Bachelor's degree and… more
    Parsons Corporation (12/24/25)
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  • Test Engineer

    CACI International (Sarasota, FL)
    …managing compliance evidence. + Must be a US citizen with an active Top Secret / SCI DoD Security clearance with polygraph. _Desired:_ + Certifications ... Test Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of… more
    CACI International (12/20/25)
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  • Software Engineer

    CACI International (Annapolis Junction, MD)
    …internal review standards. + Must be a US citizen with an active Top Secret / SCI DoD Security clearance with polygraph. _Desired:_ + Certifications ... Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ...with Agile methodologies to improve software delivery speed and security posture. + Demonstrated ability to lead cross-functional teams… more
    CACI International (12/20/25)
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