• Guidance, Navigation & Control Staff…

    Lockheed Martin (Highlands Ranch, CO)
    …position requires that you are a US Citizen and be able/willing to obtain an active Top Secret with CI poly clearance \. Our employees play an active role in ... required to solve the challenging problems of controlling these systems in a harsh, zero\-g environment\. Are you willing...Filtering / Attitude Determination \- Willingness to obtain a TS /SCI clearance with CI Poly **Desired Skills:** \- Possess… more
    Lockheed Martin (09/19/25)
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  • Software Quality Engineer - Mission…

    Lockheed Martin (Littleton, CO)
    …and locations will vary based on actual hiring job postings\. **Basic Qualifications:** * Active Top Secret clearance with the ability to obtain and maintain a ... the systems which support our nation's defense systems \.** We are seeking a Software Quality Engineer...must be a US Citizen for consideration\. **Clearance Level:** TS /SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (09/13/25)
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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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  • Principal Data Modeler and Database…

    RTX Corporation (Aurora, CO)
    …to perform database administration activities, deployment automation. + Active and transferable Top Secret US government issued security clearance is required ... 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 (07/16/25)
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  • Avionics Responsible Engineer V

    Lockheed Martin (Littleton, CO)
    …needed to start in this position, you will need to obtain and maintain a DoD ** Top Secret clearance** , thus **US Citizenship** is required\. - - - **Why ... **Description:** Join Our Team as an **Avionics Responsible Engineer ** where you will work on the development...Willing and able to obtain and maintain a DoD Top Secret or higher clearance\. US Citizenship… more
    Lockheed Martin (09/20/25)
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  • RF Engineer Sr - Antennas

    Lockheed Martin (Littleton, CO)
    …of payloads, subsystems, and RF and Antenna components\. \#LI\-DJ1 **Basic Qualifications:** * Active Top Secret , with the ability to obtain a SCI clearance * ... of RF communications systems link budget analysis\. **Desired Skills:** * Active TS /SCI * Experience using tools such as Agilent ADS \(Advanced Design System more
    Lockheed Martin (07/12/25)
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  • Military Fellowship Program: Systems

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …standard tools such as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** ... Secret US Security Clearance **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility and current full-scope polygraph US… more
    Sierra Nevada Company, LLC (08/14/25)
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  • Principal / Sr. Principal Algorithms Software…

    Northrop Grumman (Boulder, CO)
    …**Preferred Qualifications:** + A current active in-scope US Government DoD issued Top Secret security clearance. + Strong statistical background and skills. ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (09/30/25)
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  • Algorithms Software Engineer - Level 2/3

    Northrop Grumman (Boulder, CO)
    …**Preferred Qualifications:** + A current active in-scope US Government DoD issued Top Secret security clearance. + Strong statistical background and skills. ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...Defense Systems division within Northrop Grumman Space Systems is seeking an Algorithms Software Engineer more
    Northrop Grumman (09/04/25)
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  • Spacecraft Thermal Engineer

    Lockheed Martin (Englewood, CO)
    …skills *Ability to occasionally support 24/7 activities\. *Ability to obtain/maintain DoD Top Secret clearance; US Citizenship required **Desired Skills:** *7\+ ... that's built for you\. As a Spacecraft Design Thermal Engineer you will be responsible for performing preliminary and...less experienced thermal engineers * Active or Current DoD Top Secret clearance **Security Clearance Statement:** This… more
    Lockheed Martin (09/26/25)
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