• Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …with object-oriented programming or standard tools such as Matlab, Python, and C++. + ** Active Top Secret US Security Clearance with SCI eligibility US ... 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 (08/08/25)
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  • Responsible System Engineer (RSE) delegate

    Lockheed Martin (Englewood, CO)
    …Fleet and Facility support issues relating to the Trident II \(D5\) Missile * Active Top Secret security clearance **Security Clearance Statement:** This ... Martin is looking for an energetic and high performing Systems Engineer to join the team in...US citizenship with ability to obtain and maintain a Top Secret Security Clearance **Desired Skills:** *… more
    Lockheed Martin (07/12/25)
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  • Reentry Systems Engineer

    Lockheed Martin (Littleton, CO)
    …document, and maintain the agreed upon design solution between teams\. The **Reentry Systems Engineer ** will focus on the physical interfaces between systems ... programmatic issues to subordinates, peers, management and customers * Active Secret Security clearance; US Citizenship is...**Desired Skills:** * Demonstrated ability to learn * Existing Top Secret Clearance with T5 investigation and/or… more
    Lockheed Martin (07/30/25)
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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 (08/08/25)
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  • Mechanical Engineer - Stress

    Lockheed Martin (Littleton, CO)
    …Static, vibration, acoustic, modal, shock test experience of aerospace flight hardware * Active Top Secret security clearance **Security Clearance ... a cutting edge analysis team for missiles and spacecraft systems \! As the Stress Analyst in support of FBM...work experience * Ability to obtain and maintain a Top Secret security clearance, thus US Citizenship… more
    Lockheed Martin (08/13/25)
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  • ADC Engineer , Containers/Serverless

    Amazon (Denver, CO)
    …and coding languages. - Current, active US Government Security Clearance of Top Secret or above. Preferred Qualifications - 3+ years experience with cloud ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...the candidate selected must currently possess and maintain an active TS /SCI security clearance. The position further… more
    Amazon (06/14/25)
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  • Systems Engineer II - Military…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/ active Top Secret with SCI eligibility ... as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security...Plug-in development experience + Experience in SAP environments + Active Secret US Security Clearance Estimated Starting… more
    Sierra Nevada Company, LLC (07/02/25)
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  • Senior Network Engineer - Secret

    Lockheed Martin (Schriever AFB, CO)
    …routing protocols, first hop redundancy protocols, and IP subnetting\. **Desired Skills:** * Active TOP SECRET /SCI clearance preferred * Cisco Nexus/Catalyst ... are seeking a highly skilled, experienced and motivated Network Engineer to join our team\. The successful candidate will...a meaningful impact in the industry\. **Basic Qualifications:** * Active Final SECRET clearance required prior to… more
    Lockheed Martin (08/08/25)
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  • Senior Principal Systems Engineer

    BAE Systems (Westminster, CO)
    …recognized by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required. + Experience with ... be available based on position level and/or job specifics. **Senior Principal Systems Engineer - RF Systems ** **113950BR** EEO Career Site Equal Opportunity… more
    BAE Systems (06/28/25)
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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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