• Systems Engineer - IT / Windows…

    Lockheed Martin (Louisville, CO)
    …you must be a US Citizen for consideration\. **Clearance Level:** Top Secret with Investigation or CV date within 5 years **Other Important Information ... to both transform and standardize Classified IT delivery\. This System Engineer will be an integral part... SECRET clearance with ability to upgrade to TOP SECRET * Demonstrated experience with configuring… more
    Lockheed Martin (08/22/25)
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  • Principal OR Senior Principal Field Service…

    Northrop Grumman (Keystone, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...by Company, based on OCONUS location. + **Active DoD Top Secret clearance** (with a background investigation… more
    Northrop Grumman (09/17/25)
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  • Systems Engineer - Requirements…

    Lockheed Martin (Littleton, CO)
    …levels 2\- 5 \. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. This event is for external applicants ... be expected to be well versed in: * Develop/analyze/verify system level requirements and document & manage accordingly\. *...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (08/27/25)
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  • Mechanical Engineer - Stress

    Lockheed Martin (Littleton, CO)
    …years of relevant work experience * Ability to obtain and maintain a Top Secret security clearance, thus US Citizenship is required\. **Basic Qualifications:** ... a cutting edge analysis team for missiles and spacecraft systems \! As the Stress Analyst in support of FBM...mechanical joints * Ability to obtain and maintain a Top Secret security clearance, thus US Citizenship… more
    Lockheed Martin (08/13/25)
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  • Senior Network Engineer - Secret…

    Lockheed Martin (Schriever AFB, CO)
    …first hop redundancy protocols, and IP subnetting\. **Desired Skills:** * Active TOP SECRET /SCI clearance preferred * Cisco Nexus/Catalyst switches and ... developing and integrating new capability for the Missile Defense System that currently protects the United States and its...are seeking a highly skilled, experienced and motivated Network Engineer to join our team\. The successful candidate will… more
    Lockheed Martin (08/08/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Littleton, CO)
    …experience\)\. * U\.S\. Citizenship with ability to obtain and maintain a Top Secret security clearance \(SCI eligibility required\)\. * Hands\-on experience ... As we enter a new era of Strategic Weapon Systems , Lockheed Martin is a pioneer, partner, innovator and...secure, resilient, and automated software solutions\. As a DevSecOps Engineer , you will be a key contributor to mission… more
    Lockheed Martin (09/06/25)
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  • Entry Level Satellite Integration & Test…

    Lockheed Martin (Littleton, CO)
    …to work off\-shifts and weekends as needed in a 24/7 operations environment * Active Top Secret clearance required prior to start\. Must be able to obtain a ... TS /SCI clearance\. **Desired Skills:** * Bachelor's Degree from an...college or equivalent experience/combined education * Aerospace or defense systems hardware/software integration experience * Test Engineer … more
    Lockheed Martin (09/26/25)
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  • Systems Security Engineer I

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …of required education + Security+ CE Certification + **Ability to obtain/maintain to Top Secret US Security Clearance is required** **Qualifications We Prefer:** ... We have a great opportunity for you! As a Systems Security Engineer I, you will be...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (08/27/25)
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  • DevSecOps Engineer

    SMX (Boulder, CO)
    …& Experience** + This position will require the ability to obtain a US government DoD Top Secret Security clearance. Interim or Active DoD Top Secret ... DevSecOps Engineer (4387)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO...as Jira and Confluence. + Interim or Active DoD TOP SECRET security clearance or higher. **Application… more
    SMX (07/30/25)
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  • Senior Java and C++ Software Engineer…

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... 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 (09/24/25)
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