• Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …skills, with the ability to present complex technical concepts to diverse stakeholders. + ** Active Top Secret /SCI clearance required at time of application** ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...history. We are seeking a highly motivated Sr. Principal ** Systems Engineer ** to join our team in… more
    Northrop Grumman (09/06/25)
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  • Engineer Senior Principal II Radar…

    BAE Systems (Westminster, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active Secret security clearance is required with ability to obtain and maintain ... a Top Secret . + Proven track record in...a Top Secret . + Proven track record in producibility of designs...be available based on position level and/or job specifics. ** Engineer Senior Principal II Radar Systems Subject… more
    BAE Systems (09/09/25)
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  • Sr Systems Engineer - Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …object-oriented programming or standard tools such as Matlab, Python, and C++. + **A current/ active Top Secret US Security Clearance with SCI Eligibility is ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/ active Top Secret with SCI eligibility… more
    Sierra Nevada Company, LLC (07/18/25)
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  • Systems Engineer - Requirements…

    Lockheed Martin (Littleton, CO)
    …requirements and verification \(including requirement engineering, requirements management, verification\) * Active security clearance \( Secret or Top \- ... are interested in joining LM and working as a Systems Engineer , please apply to this requisition\....must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (08/27/25)
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  • Principal Data Modeler and Database…

    RTX Corporation (Aurora, CO)
    …Linux command line skills to perform database administration activities, deployment automation. + Active and transferable Top Secret US government issued ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (07/16/25)
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  • Software Quality Engineer - Mission…

    Lockheed Martin (Littleton, CO)
    …levels, and locations will vary based on actual hiring job postings\. **Basic Qualifications:** * Active Top Secret clearance with the ability to obtain and ... build the systems which support our nation's defense systems \.** We are seeking a Software Quality Engineer ...maintain a TS /SCI * Bachelor's degree in… more
    Lockheed Martin (09/13/25)
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  • Engineer Senior CONOPS Active

    BAE Systems (Boulder, CO)
    **Job Description** Technical position for a CONOPS/ Systems Engineer with experience in Tasking, Collection, Processing, Exploitation and Dissemination (TCPED). ... US Secretary of Education, US Department of Education. + Active Secret clearance with ability to obtain... clearance with ability to obtain and maintain a TS /SCI security clearance is required. + Solid Systems more
    BAE Systems (09/27/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Littleton, CO)
    …experience\)\. * U\.S\. Citizenship with ability to obtain and maintain a Top Secret security clearance \(SCI eligibility required\)\. * Hands\-on experience ... As we enter a new era of Strategic Weapon Systems , Lockheed Martin is a pioneer, partner, innovator and...Development experience with Java or Python\. **Desired Skills:** * Active TS /SCI clearance\. * Recent experience as… more
    Lockheed Martin (09/06/25)
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  • Systems Engineer - IT / Windows…

    Lockheed Martin (Louisville, CO)
    …**Basic Qualifications:** * DoD SECRET clearance with ability to upgrade to TOP SECRET * Demonstrated experience with configuring and maintaining Windows OS ... both transform and standardize Classified IT delivery\. This System Engineer will be an integral part of our enterprise...must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date… more
    Lockheed Martin (08/22/25)
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  • DevSecOps Engineer

    SMX (Boulder, CO)
    …+ This position will require the ability to obtain a US government DoD Top Secret Security clearance. Interim or Active DoD Top Secret clearance or ... DevSecOps Engineer (4387)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO...tools such as Jira and Confluence. + Interim or Active DoD TOP SECRET security… more
    SMX (07/30/25)
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