• Sr Principal Systems Administrator…

    Northrop Grumman (Colorado Springs, CO)
    …**Preferred Qualifications:** + A current and active in-scope DoD-issued ** Top Secret ** with eligibility to be cleared at ** SCI ** security clearance + ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...security clearance at the time of application, which is required to start with the eligibility to be cleared… more
    Northrop Grumman (08/27/25)
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  • Senior Cyber Security Engineer (P3)

    RTX Corporation (Aurora, CO)
    …prior relevant experience + Active and transferable US government issued DoD Top Secret with CI Polygraph security clearance is required prior to start date. ... Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required , as… more
    RTX Corporation (08/15/25)
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  • Principal/Sr. Principal Systems Test Engineer

    Northrop Grumman (Aurora, CO)
    …years of relevant experience may be considered in lieu of a degree. + Active Top Secret / SCI clearance at time of application + Experience supporting ... operations of communication systems + Analyze requirements and write required test procedures to satisfy Site Acceptance Testing with...be considered in lieu of a degree. + Active Top Secret / SCI clearance at time… more
    Northrop Grumman (06/04/25)
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  • Principal/ Sr. Principal Network Engineer

    Northrop Grumman (Aurora, CO)
    …experience; or Master's degree with 4 years of Network Engineering experience + Active/current Top Secret / SCI clearance with adjudicated CI or Full Scope ... experience; or Master's degree with 6 years of Network Engineering experience + Active/current Top Secret / SCI clearance with adjudicated CI or Full Scope… more
    Northrop Grumman (08/13/25)
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  • Military Fellowship Program: Systems Engineer…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required ** **Qualifications We Prefer:** + Military ... US Security Clearance **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility...full-scope polygraph US Security Clearance. US Citizenship status is required as this position needs an active US Security… more
    Sierra Nevada Company, LLC (08/14/25)
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  • Principal Systems Engineer - Military Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and C++. + **Active Top Secret US Security Clearance with SCI eligibility US Security Clearance is required ** **Qualifications We Prefer:** + Military ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (08/08/25)
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  • PC Network Support Technician 3

    Northrop Grumman (Aurora, CO)
    …of continued employment + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include ** SCI access level eligibility** based on ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: No **Description** At Northrop Grumman, our employees have incredible… more
    Northrop Grumman (08/26/25)
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  • Security Analyst

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …debriefs) + Facility compliance reviews and Air Force SAP security inspections + Top Secret Control for accountable material and associated correspondence + ... needed: + Lifting up to 50 pounds, working outdoors, bending, transporting equipment Required Experience: + US Citizenship and active TS/ SCI clearance with SSBI… more
    Kratos Defense & Security Solutions, Inc. (06/22/25)
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  • Advanced Programs Mission Architect - Staff…

    Northrop Grumman (Boulder, CO)
    …clearance is required to start; with the ability to obtain and maintain a Top Secret / SCI (TS/ SCI ) security clearance. + Knowledge of Space ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (08/28/25)
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  • Space Mission Analyst III

    Lockheed Martin (Littleton, CO)
    …an active Top Secret clearance with the ability to obtain a TS/ SCI clearance * US Citizenship required **Desired Skills:** * Bachelor's degree or higher ... \(e\.g\. radiation, thermal, power, communications\) * Demonstrated experience working with information across multiple security levels, including SCI and… more
    Lockheed Martin (08/15/25)
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