• Sr Systems Engineer - Operations Research

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

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …or standard tools such as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (07/02/25)
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  • Test Engineer

    Parsons Corporation (Colorado Springs, CO)
    …related to computer architecture. An advanced degree is preferred at this level. + Active Top Secret Clearance with SCI eligibility + 2+ years of related ... an Agile Software Development environment (Scrum) **Security Clearance Requirement:** An active Top Secret security clearance is required for this position.​… more
    Parsons Corporation (05/13/25)
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  • Amazon Dedicated Cloud Engineer , EC2,…

    Amazon (Denver, CO)
    …requires that the candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...language - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - 1+… more
    Amazon (06/28/25)
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  • Digital Signal Processing Engineer

    CACI International (Aurora, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... Opportunity:** CACI is seeking a senior Digital Signal Processing Engineer in Aurora, Colorado to be at the forefront...in a scientific, mathematical, or engineering discipline + Active TS / SCI security clearance + Software defined radio… more
    CACI International (05/20/25)
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  • Joint Space Warfighting Modeling, Simulation,…

    Parsons Corporation (Colorado Springs, CO)
    … SCI and Special Access Required eligibility **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on...to include Space & Terrestrial capabilities + Analyze input data from multiple sources to validate their use in… more
    Parsons Corporation (07/12/25)
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  • Systems Engineer

    Lockheed Martin (Longmont, CO)
    …executing test plans * Secret Security clearance with ability to obtain TS / SCI **Desired Skills:** * Experience with OPIR and/or SBIRS mission processing ... security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (07/12/25)
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  • Space Domain Awareness (SDA) EO Systems Test…

    KBR (Colorado Springs, CO)
    …Reference Matrices (VCRM), and Requirement Verification Files (RVFs). Desired: + Current Top Secret / SCI + Defense Acquisition University (DAU), Department ... Title: Space Domain Awareness (SDA) EO Systems Test Engineer KBR is hiring highly skilled and motivated...techniques and procedures to analyze and evaluate specific problem, data , or other features of the work which are… more
    KBR (07/02/25)
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  • Mechanical Engineer Design Verification…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... built for you\. We are currently seeking a Mechanical Engineer Design Verification Checker to join our team\. In...product development teams\. \-Ability and desire to obtain a TS / SCI clearance, requires US citizenship\. **Desired Skills:**… more
    Lockheed Martin (07/12/25)
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  • Satellite Systems Crew Chief

    Lockheed Martin (Boulder, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... work rotational shift work * Active or Current Final Top \- Secret security clearance, with ability to achieve...security clearance, with ability to achieve and maintain a TS / SCI clearance; US Citizenship required **Desired Skills:**… more
    Lockheed Martin (07/12/25)
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