• Systems Test Engineer / Principal Systems Test…

    Northrop Grumman (Chantilly, VA)
    …concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret / SCI security clearance + Experience in cable testing ... of 0 Years experience with PhD + Willing and able to obtain and maintain a TS / SCI Security Clearance (US citizenship is a pre-requisite) + A background… more
    Northrop Grumman (10/23/25)
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  • Senior Platform Network Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance ​ ** Security Clearance :** TS / SCI with CI Poly - Current At Raytheon, the ... after starting in the role + Current TS / SCI with CI Poly security clearance...of the Department of Defense, handles and adjudicates the security clearance process. More information more
    RTX Corporation (12/19/25)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance ​ ** Security Clearance :** TS / SCI with Polygraph At Raytheon, the foundation of ... Ruby, Bash, C++, C#, Go) + Current TS / SCI with CI Poly security clearance...of the Department of Defense, handles and adjudicates the security clearance process. More information more
    RTX Corporation (11/29/25)
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  • Platform Network Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance ​ ** Security Clearance :** TS / SCI with Polygraph At Raytheon, the foundation of ... after starting in the role + Current TS / SCI with CI Poly security clearance...of the Department of Defense, handles and adjudicates the security clearance process. More information more
    RTX Corporation (11/15/25)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information ( SCI ), and ability to obtain a Counterintelligence ... across multi-enclave environments with focus on Top Secret infrastructure. + Implement comprehensive systems security ... Security accreditation processes (RMF, NIST 800-53) for TS / SCI systems + Cross-domain solutions for secure… more
    Noblis (12/22/25)
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  • Principal Product Support Engineer - Deployable

    Sierra Nevada Company, LLC (Omaha, NE)
    …**IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship status is required ... and customer interface skills + Active/Current Top Secret US Clearance with SCI ...as this position needs an active US Security Clearance for employment. Non-U.S. Citizens may… more
    Sierra Nevada Company, LLC (12/19/25)
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  • Intelligence Analyst II

    Sierra Nevada Company, LLC (Springfield, VA)
    …customer location in Northern Virginia + Current active Top Secret Security Clearance with SCI eligibility required prior to start **Qualifications ... are seeking! As an Intelligence Analyst, you will assess information , provide judgments, and make recommendations to support our...requires current/active Top Secret with SCI eligibility US Security Clearance .… more
    Sierra Nevada Company, LLC (12/10/25)
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  • Field Service Technician IV - Deployed Only…

    Sierra Nevada Company, LLC (Shalimar, FL)
    …+ Prior experience with Linux and Java + Active Top Secret with SCI eligibility US Security Clearance is required + Ability to frequently travel ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship… more
    Sierra Nevada Company, LLC (12/05/25)
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  • Product Support Engineer III

    Sierra Nevada Company, LLC (Omaha, NE)
    …of networks and communications systems + An active Top Secret with SCI eligibility US Security Clearance is required **Qualifications We Prefer:** + ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship… more
    Sierra Nevada Company, LLC (11/27/25)
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  • Product Support Engineer III - Deploy Only

    Sierra Nevada Company, LLC (Shalimar, FL)
    …Training, Medical, and Certification renewals + An active Top Secret with SCI eligibility US Security Clearance is required + US Citizen with US ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship… more
    Sierra Nevada Company, LLC (11/18/25)
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