• Senior. Platform Developer Onsite

    RTX Corporation (Aurora, CO)
    …C#, Go) + Current CompTIA Security + or ability to obtain + Active and current TS / SCI / CI Poly security clearance is required day 1. US citizenship is ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI more
    RTX Corporation (07/23/25)
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  • Senior. Platform Engineer - Linux (FEP) Onsite

    RTX Corporation (Aurora, CO)
    …and maintaining Common Cryptographic equipment in a secure environment + Active and current TS / SCI with CI Poly security clearance is required day 1, as ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI more
    RTX Corporation (07/22/25)
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  • Senior. Platform DevSecOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …II requirements (Security + CE or equivalent) + Active and current US government TS / SCI with CI Poly security clearance is required day 1. US citizenship ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI more
    RTX Corporation (07/09/25)
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  • Senior IPT Lead / Sr Software Engineer Manager…

    RTX Corporation (Aurora, CO)
    …of relevant software leadership experience. + Active and transferable US government issued TS / SCI security clearance is required prior to start date. US ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI more
    RTX Corporation (06/27/25)
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  • Platform Section Lead (Onsite)

    RTX Corporation (Aurora, CO)
    …US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI without Polygraph At Raytheon, ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI issued security clearance is… more
    RTX Corporation (08/21/25)
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  • Platform Network Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI with Polygraph At Raytheon, ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...90 days after starting in the role + Current TS / SCI with CI Poly security clearance more
    RTX Corporation (08/16/25)
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  • Principal Linux Systems Administrator - Polygraph

    Northrop Grumman (Aurora, CO)
    …or JSIG information system environments + Candidates must have a current DOD ** Top ** ** Secret / SCI ** levelsecurity clearance , to include a recent ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the...do some of the best work of your career. ** Information Technology Professionals, We Want You!** The Northrop Grumman… more
    Northrop Grumman (06/25/25)
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  • Senior Systems Engineer - Onsite

    RTX Corporation (Aurora, CO)
    …and technical interchanges in support of the program + Active and transferrable TS / SCI US government issued clearance is required prior to start date ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...are eligible for a security clearance ​ **Security Clearance :** DoD Clearance : TS / SCI more
    RTX Corporation (07/30/25)
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  • Engineer II - Mission Planning (Onsite)

    RTX Corporation (Aurora, CO)
    …SQL, Wiki, JavaScript, MySQL, Linux). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior to start ... Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance...as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS / SCI more
    RTX Corporation (06/18/25)
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  • Network Engineer, Staff

    Lockheed Martin (Boulder, CO)
    …, you must be a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of Interest:** ... and work/life balance and more\. **Basic Qualifications:** * Final Secret clearance prior to start and ability...clearance prior to start and ability to obtain TS / SCI clearance * Hands\-on experience… more
    Lockheed Martin (08/15/25)
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