• Systems Engineer Staff (Level 4)

    Lockheed Martin (Littleton, CO)
    …happen in order to mitigate them and maintain schedule * Current or Active Top Secret clearance, thus US Citizenship is required\. * **A successful candidate ... Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields...our Littleton, CO campus\. **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance * Familiarity with… more
    Lockheed Martin (12/06/25)
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  • TSSCI Poly Software Engineer

    Actalent (Aurora, CO)
    Job Title: Software Engineer TS /SCI Poly Job Description We are seeking a Full Stack Developer to design, develop, and implement both frontend and backend ... components for a sophisticated web application. This role involves translating software requirements into functional and maintainable solutions within the existing… more
    Actalent (12/23/25)
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  • ElectroMechanical Harness Engineer V, Lead

    Lockheed Martin (Englewood, 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 ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (11/14/25)
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  • ASIC & FPGA Engineer Senior Staff

    Lockheed Martin (Boulder, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... Lockheed Martin Space is seeking a Field Programmable Gate Array \(FPGA\) Design Engineer to work on space\-based mission processing capabilities at the edge\. This… more
    Lockheed Martin (12/20/25)
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  • Systems Engineer , Senior - Requirements…

    Lockheed Martin (Englewood, CO)
    …* Active or Current Secret security clearance with eligibility to obtain a Top Secret **Desired Skills:** * Self\-starter, able to complete work with general ... \(FBM\) Program by joining the Systems Engineering Integration and Test \(SEIT\) team as a Systems Engineer \....Submarine exposure is highly desired\. * Active or Current Top Secret security clearance **Security Clearance Statement:**… more
    Lockheed Martin (12/14/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage ... to understand requirements and provide feedback * Interface with Software and Integration Engineers to containerize, test ,...**Qualifications:** _Required:_ * Java development using Spring * Active TS /SCI with Poly * 5 years of experience in… more
    CACI International (10/16/25)
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  • Space-Based Infrared Systems (SBIRS)…

    INTECON (CO)
    Clearance: Top Secret /SCI (US citizenship required) Location: Buckley SFB, CO and Beale AFB, CA (On-site with limited telework) Work Type: Onsite with limited ... Summary INTECON is seeking a highly skilled Space Systems Engineer to support critical national security space programs. In...Space Force operations, acquisition, and sustainment policies. + Active Top Secret /SCI clearance at the time of… more
    INTECON (11/09/25)
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  • Spacecraft Thermal Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... that's built for you\. As a Spacecraft Design Thermal Engineer you will be responsible for performing preliminary and...Aerodynamics, computer programming * Experience with thermal analysis and software tools such as Thermal Desktop, SINDA, TSS *… more
    Lockheed Martin (12/05/25)
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  • Engineer VI

    General Atomics (Englewood, CO)
    …0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (SCI access eligible) **Pay Range Low:** 116,480 ... requirements. We currently have an opportunity for a Project Engineer working on satellite systems to join our team... Security Clearance is required with ability to obtain Top Security ( TS )/SCI. **US Citizenship Required?:** Yes… more
    General Atomics (12/11/25)
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  • Engineer IV

    General Atomics (Englewood, CO)
    …0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret **Pay Range Low:** 98,100 **City:** Englewood **Clearance ... commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. In this role, you'll… more
    General Atomics (12/11/25)
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