• Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …to drive system architecture making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required ... 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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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …* Specification, collection, processing, and/or analysis of analog and digital signals * Active Top Secret clearance **Security Clearance Statement:** This ... a MS degree \(must meet all Basic Qualifications\) * Active Secret Clearance with the ability to obtain a Top Secret Clearance\. * Ability to work onsite… more
    Lockheed Martin (07/30/25)
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  • Systems Engineer - Mechanical/Electrical…

    Lockheed Martin (Englewood, CO)
    …systems thinking skills to solve very complex problems and implement constructive change * Active Secret or Top Secret DoD security clearance\. ... Martin \(LM\) is looking for a dedicated Systems Integration Engineer to become a member of the Missile Subsystem...Willing and able to obtain and maintain a DoD ** Top Secret clearance** , thus **US Citizenship**… more
    Lockheed Martin (07/30/25)
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  • Integration/CDS Engineer

    ISYS Technologies (Colorado Springs, CO)
    …in Colorado Springs, CO .This position will be on-site and will require an active Top Secret clearance. + Responsible for the development, configuration ... in our development lab and the following: + Assisting software development personnel with the investigation and resolution of...years of experience + IAT Level II certification + Active Top Secret clearance +… more
    ISYS Technologies (09/17/25)
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  • Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …with a Master's; 0 years of relevant experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of application and willingness to ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the...Strong written and oral communications skills **Preferred Qualifications:** + Active TS /SCI with poly + Experience with… more
    Northrop Grumman (09/30/25)
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  • Telecommunications Engineer

    SAIC (Aurora, CO)
    …program office support on behalf of this customer. Active Top Secret /SCI clearance with current polygraph ( TS /SCI with Polygraph) is required to start ... **JOB DESCRIPTION:** SAIC is seeking a long-haul fiber Telecommunications Engineer in **Aurora, CO** area to support a government...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)
    …required to start, applicants must be eligible to obtain a US government issued Top Secret security clearance with adjudicated SCI Eligibility \(i\.e\. TS ... processing and software \-defined radio systems\. **What You'll Do:** The RF Engineer will play a key role in ensuring the development of high\-quality EGSE… more
    Lockheed Martin (08/30/25)
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  • Mission Demo 4 (MD4) Chief Engineer

    Lockheed Martin (Highlands Ranch, CO)
    …objectives * Willingness to mentor junior engineers Ability to obtain and maintain a Top Secret security clearance **Desired Skills:** * Prior experience as a ... you\. Lockheed Martin \(LM\) Space is seeking a Chief Engineer \(CE\) to lead the Mission Demo 4 \(MD4\)...in Class C/D, IRAD, or "go\-fast" development environment * Active TS /SCI clearance **Security Clearance Statement:** This… more
    Lockheed Martin (10/01/25)
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  • Guidance, Navigation & Control Staff…

    Lockheed Martin (Highlands Ranch, CO)
    …talent\. This 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 ... individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling.../SCI clearance with CI Poly **Desired Skills:** \- Possess active TS /SCI clearance with CI Poly \-… more
    Lockheed Martin (09/19/25)
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  • Guidance, Navigation & Control Senior…

    Lockheed Martin (Highlands Ranch, CO)
    …experience\. This position requires that you have the ability to obtain and maintain a Top Secret clearance w/SCI \. Our employees play an active role ... complex technical issues to peers, management, subcontractors and customers\. \- Active TS /SCI clearance with Poly **Security Clearance Statement:** This… more
    Lockheed Martin (09/19/25)
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