• Systems Integration and Test…

    Lockheed Martin (Littleton, CO)
    …the interdependencies * Experience or familiarity with testing and problem solving for integrated systems * Active Top Secret clearance, thus US Citizenship ... Missile\. Lockheed Martin is looking for a highly motivated Systems Integration and Test Engineer to become...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (08/08/25)
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  • Telecommunications Engineer

    SAIC (Aurora, CO)
    …as program office support on behalf of this customer. Active Top Secret /SCI clearance with current polygraph ( TS /SCI with Polygraph) is required to start ... best practices to ensure a satisfactory delivery of Open Systems Interconnection (OSI) Layer 1 and 2 ...plus years experiences working Tier 3 anomaly resolution. + Top Secret /SCI with Polygraph required to start… more
    SAIC (08/07/25)
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  • RF Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    … Top Secret security clearance with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) **Desired Skills:** * Experience with EGSE systems and applications * ... components, such as digital signal processing and software\-defined radio systems \. **What You'll Do:** The RF Engineer ...waveform development and testing * Troubleshooting and debugging RF system issues, using a range of tools and techniques… more
    Lockheed Martin (08/30/25)
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  • Flight Test Integration - Systems…

    Lockheed Martin (Littleton, CO)
    …levels 2 \-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. This event is for external applicants ... Martin is looking for a highly motivated Flight Test Systems Integration Engineer to become a member...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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  • Systems Engineer - Requirements…

    Lockheed Martin (Littleton, CO)
    …levels 2 \-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. This event is for external applicants ... be expected to be well versed in: * Develop/analyze/verify system level requirements and document & manage accordingly\. *...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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  • Software Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (09/26/25)
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  • Sr Systems Engineer - Operations…

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

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

    The Boeing Company (Colorado Springs, CO)
    …acceptance by industry partner resource control board.** **This position requires an active Top Secret US Security Clearance.** (A US Security Clearance that has ... for testing and applying patches on all main software/application systems on the system including workstation and...physics, mathematics, data science, or computer science. + Active Top Secret clearance + Current DoD 8570… more
    The Boeing Company (08/23/25)
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  • Aeronautical Engineer - CFD and Venting…

    Lockheed Martin (Littleton, CO)
    …venting during vehicle ascent * MS Office experience * Ability to obtain a Top Secret clearance; Must be aU\.S\. Citizen **Desired Skills:** * Master's degree ... Engineer , you will: * Be responsible for performing system \-level CFD modeling * Correlate model results to missile...Physics, Aerospace, Mechanical Engineering, or related discipline * Active Top Secret security clearance * Extensive CFD… more
    Lockheed Martin (09/19/25)
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