• Manufacturing Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as ... this position needs an active US Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance . The… more
    Sierra Nevada Company, LLC (06/02/25)
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  • Sr Human Resources Business Partner

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as ... this position needs an active US Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance . The… more
    Sierra Nevada Company, LLC (05/30/25)
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  • Planning & Scheduling Manager IV

    Lockheed Martin (Littleton, CO)
    …such as OpenPlan and MS Project * Must be a United States citizen * Must have an active Top Secret clearance to be considered and be able to obtain a TS/SCI ... environment that encourages big\-picture thinking\. Our employees play an active role in strengthening the quality of life where...more on how we proudly support Hiring Our Heroes\. ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (08/08/25)
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  • System Development Engineer III,…

    Amazon (Denver, CO)
    …or similar container orchestration technology - Current, active US Government Security Clearance of Top Secret or above Preferred Qualifications ... that the candidate selected must currently possess and maintain an active TS/SCI security clearance . The position further requires that, after start,… more
    Amazon (07/18/25)
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  • Senior Product Manager-Technical, Aerospace Edge…

    Amazon (Denver, CO)
    …engineering design and taking it to market - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Preferred ... that the candidate selected must currently possess and maintain an active TS/SCI security clearance . The position further requires that, after start,… more
    Amazon (06/24/25)
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  • Senior Specialist, Cyber Infrastructure Systems…

    L3Harris (Colorado Springs, CO)
    …+ Experience with system monitoring, event log management, and incident correlation. + Active TS/SCI DOD security clearance w/CI Poly is preferred. ... of 10 years of prior related experience. + Top Secret /SCI clearance is required and ability to...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (08/03/25)
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  • Sr. Systems Engineer/Architect, AWS Bespoke…

    Amazon (Denver, CO)
    …verification testing of complex hardware/software systems - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above ... that the candidate selected must currently possess and maintain an active TS/SCI security clearance . The position further requires that, after start,… more
    Amazon (07/26/25)
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  • Systems Integration Engineer Senior Staff…

    Lockheed Martin (Littleton, CO)
    …organizational boundaries and geographical locations to collaborate with and influence others * Active DoD Secret clearance ; U\.S\. Citizenship is required\. ... contractors * Experience with MBSE in DOORS and Cameo ** Security Clearance Statement:** This position requires a..., you must be a US Citizen for consideration\. ** Clearance Level:** Secret **Other Important Information You… more
    Lockheed Martin (08/10/25)
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  • Propulsion Project Engineer Sr.

    Lockheed Martin (Englewood, CO)
    …management, or as Control Account Manager \- Ability to obtain a DoD Secret Clearance **Desired Skills:** * Missile and/or aerospace related education or ... Excellent written and verbal communication skills, demonstrated leadership and initiative ** Security Clearance Statement:** This position requires a government … more
    Lockheed Martin (07/25/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …/ GED with 12 years of IT experience is required + **Candidate must have active /current Top Secret /SCI clearance with adjudicated Full Scope Polygraph at ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Polygraph TRAVEL: Yes, 25% of the...user and computer accounts and modify file permissions and security access lists. + Develop and document technical processes… more
    Northrop Grumman (06/12/25)
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