• 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 - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (12/24/25)
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  • Configuration Management & Data Management…

    Lockheed Martin (Littleton, CO)
    …CO, Colorado Springs, CO or King of Prussia, PA\. Clearance Required: Active Top Secret \( TS /SCI preferred\) **Basic Qualifications:** * Bachelor's degree ... combination of education and experience\)\. * Active or Current TS /SCI security clearance; U\.S\. Citizenship required\. * Experience performing Configuration… more
    Lockheed Martin (12/14/25)
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  • Guidance, Navigation & Control Engineer (Level II)

    Lockheed Martin (Highlands Ranch, CO)
    …the selected applicant must: 1\) Be eligible to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) 2\) Be willing to consent ... on control system design & analysis * Possess active TS /SCI clearance with CI Poly * Experience with flight...must be a US Citizen for consideration\. **Clearance Level:** TS /SCI w/Poly **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (12/13/25)
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  • Satellite Operations Research Analyst II

    Lockheed Martin (Littleton, CO)
    …using MATLAB, Python, or a similar high\-level language * Must have an active TOP SECRET clearance with an investigation date within five years\. Also has ... the ability to obtain TS /SCI Security Clearance\. **Desired Skills:** * Active TS /SCI Clearance * Experience with mission modeling and simulation tools, such as… more
    Lockheed Martin (12/13/25)
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  • Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... software verification and test at the subsystem or system level\. \- Active TS /SCI security clearance required\. \- Ability to support quarterly travel as needed\.… more
    Lockheed Martin (12/11/25)
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  • Space Mission Analyst III

    Lockheed Martin (Littleton, CO)
    …experience in modeling and simulation tools, such as STK or AFSIM * Must have an active Top Secret clearance with the ability to obtain a TS /SCI clearance * ... in a Science, Technology, Engineering, and Mathematics \(STEM\) field * Active TS /SCI clearance * Multi\-domain kill chain, ISR, and/or space security analysis… more
    Lockheed Martin (12/08/25)
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  • Chief Analyst - Satellite Mission Analysis / Level…

    Lockheed Martin (Littleton, CO)
    …* Experience collaborating with customers and/or key stakeholders * Must have an active Top Secret clearance prior to start \(with a current investigation or CV ... date\) and be able to obtain a TS /SCI clearance **Desired Skills:** * Master's degree with strong...with strong Math, Physics, and/or Statistics background * Active TS /SCI clearance * Experience managing projects and personnel, often… more
    Lockheed Martin (12/06/25)
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  • Computer Vision Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    …the selected applicant must be eligible to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS /SCI\) for long term employment on ... with C\+\+, MATLAB, Python, CUDA, and/or RUST * Possess an active TS /SCI clearance **Security Clearance Statement:** This position requires a government security… more
    Lockheed Martin (11/20/25)
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  • Thermal Subsystems Product Development Lead

    Lockheed Martin (Highlands Ranch, CO)
    …and programmatic issues to peers, senior management and customers \- Current US TOP SECRET or TS /SCI clearance **Security Clearance Statement:** This ... schedule \- US Citizen with the ability to obtain and maintain a TS /SCI or higher clearance **Desired Skills:** \- Engineering lifecycle experience in development of… more
    Lockheed Martin (11/15/25)
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  • System Test Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …Regulations and experience in Air Force formal testing is a plus + Current Top Secret level clearance, with SCI eligibility Applicants selected will be subject ... technical concepts orally and in written form. + Current Secret level clearance required + Required to either be...+ Required to either be able to obtain a TS /SCI, or currently have a TS /SCI Preferred… more
    Kratos Defense & Security Solutions, Inc. (12/31/25)
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