• Principal Systems Engineer - Military…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …with object-oriented programming or standard tools such as Matlab, Python, and C++. + **Active Top Secret US Security Clearance with SCI eligibility US ... **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance....Top Secret with SCI eligibility US Security Clearance. US Citizenship status is required as this… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Systems Engineer II - Military Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …such as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** **Qualifications We ... **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance....Top Secret with SCI eligibility US Security Clearance. US Citizenship status is required as this… more
    Sierra Nevada Company, LLC (07/02/25)
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  • Software Engineer 3/4

    Northrop Grumman (Aurora, CO)
    …service architecture + Experience with publisher/subscriber architectures + **Must have current** ** Top Secret /SCI security clearance at time of ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (08/09/25)
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  • Systems Engineer - Associate Manager

    Lockheed Martin (Englewood, CO)
    … Clearance required prior to start * Ability to obtain and maintain a DoD Top Secret Security Clearance \- U\.S\. Citizenship Required **Desired Skills:** * ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (07/24/25)
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  • Research Engineer /Scientist 1 - COBRA

    Huntington Ingalls Industries (Colorado Springs, CO)
    …- 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $60,624.00 - $86,606.00 Security Clearance: Top Secret Level of Experience: Mid ... data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities...4 years relevant experience. + Must possess an active Top Secret Clearance at the time of… more
    Huntington Ingalls Industries (08/02/25)
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  • Systems Engineer Staff, Weapon System…

    Lockheed Martin (Littleton, CO)
    …* Strong team collaboration, communication and presentation skills * Active or Current Top Secret security clearance ** Security Clearance Statement:** ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (07/18/25)
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  • Sr. Specialist, Software Engineering C# Full Stack

    L3Harris (Colorado Springs, CO)
    …lieu of degree, 10 years of software experience. + Active US DoD Secret or Top Secret Security clearance. + At least 4-8 years of experience in software ... sea and cyber domains in the interest of national security . Job Title: Sr. Specialist, Software Engineer ...onsite located in Colorado Springs, CO and requires a Secret Security Clearance. Essential Functions: + Perform… more
    L3Harris (06/22/25)
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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 of ... Title: Space Domain Awareness (SDA) EO Systems Test Engineer KBR is hiring highly skilled and motivated...supporting the US Space Force mission to defend National Security Interests in Space as a Space Domain Awareness… more
    KBR (07/02/25)
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  • Sr Software Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required ... product lifecycle. We are seeking a Senior Software Systems Engineer with a bachelor's degree in Software Engineering or...of relevant experience + The ability to obtain/maintain a Secret US Security Clearance is required +… more
    Sierra Nevada Company, LLC (06/03/25)
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  • Systems Operations (SysOps) Engineer

    Parsons Corporation (Colorado Springs, CO)
    …in a team environment + **Minimum Secret clearance is required to start. Active Top Secret is preferred with SCI eligibility** + Must be a US Citizen due ... team is looking for a **Systems Operations** ( **SysOps) Engineer ** to focus on the development, security ,...cloud computing ** Security Clearance Requirement:** An active Secret security clearance is required for this… more
    Parsons Corporation (06/03/25)
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