• Sr Staff Systems Architect - Top

    Lockheed Martin (Littleton, CO)
    …"Lockheed Martin Deer Facility in Littleton CO"\. **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * ... teams and guiding technical efforts\. This is a rare opportunity for a seasoned engineer to lead a team of engineers and technicians through the strategic design,… more
    Lockheed Martin (09/24/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …+ Active Secret US Security Clearance with ability to Obtain Top Secret **​** **Qualifications We Prefer:** + Proven track record of maintaining the ... about creating and managing for highly complex systems? Join our team! As a Systems Security Engineer II, you will be using your skills and expertise to design,… more
    Sierra Nevada Company, LLC (09/10/25)
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  • Cyber Security Engineer

    Lockheed Martin (Boulder, CO)
    …while shaping the possibilities of tomorrow\. **What You'll Do** As a Cybersecurity Engineer you will have the opportunity work across a broad range of technical ... vulnerability analysis, and mitigation planning\. * Define, analyze, and validate security design constraints and ensure compliance with RMF/NIST 800‑53 and DoD… more
    Lockheed Martin (10/11/25)
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  • Product Security Engineer

    The Boeing Company (Colorado Springs, CO)
    …benefit for this position. ** Security Clearance** This position requires an active US Top Secret Security Clearance (US Citizenship Required). (A US ... acceptance by industry partner resource control board.** **This position requires an active Top Secret US Security Clearance.** (A US Security Clearance… more
    The Boeing Company (10/23/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …required education + Security + CE Certification + **Ability to obtain/maintain to Top Secret US Security Clearance is required** **Qualifications We ... have a great opportunity for you! As a Systems Security Engineer II, you will be using...position requires the ability to obtain and maintain a Top Secret US Security Clearance.… more
    Sierra Nevada Company, LLC (10/08/25)
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  • Senior Cyber Security Engineer (P3)

    RTX Corporation (Aurora, CO)
    …5 years of prior relevant experience + Active and transferable US government issued DoD Top Secret with CI Polygraph security clearance is required prior to ... the Cyber Security Engineering team for a **Senior Cyber Security Engineer - P3** position supporting Continuous Monitoring and maintenance of Authority to… more
    RTX Corporation (08/15/25)
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  • Engineer Senior Principal II Mission…

    BAE Systems (Broomfield, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active Top Secret security clearance is required with ability to obtain and ... incentives may be available based on position level and/or job specifics. ** Engineer Senior Principal II Mission Architect National Security Systems**… more
    BAE Systems (09/17/25)
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  • Principal / Sr. Principal Software Engineer

    Northrop Grumman (Boulder, CO)
    …of application. All applicants must have the ability to obtain and maintain a Top Secret /SCI (TS/SCI) security clearance. **Preferred Qualifications:** + A ... Northrop Grumman Space Systems is seeking a Principal Software Engineer / Sr. Principal Software Engineer to...current active in-scope US Government DoD issued Top Secret /SCI (TS/SCI) security clearance… more
    Northrop Grumman (08/13/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …collection, processing, and/or analysis of analog and digital signals * Active Top Secret clearance ** Security Clearance Statement:** This position ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...Secret Clearance with the ability to obtain a Top Secret Clearance\. * Ability to work… more
    Lockheed Martin (07/30/25)
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  • Mechanical/Electrical Integration Engineer

    Lockheed Martin (Englewood, CO)
    …systems engineering skills * US Citizenship with the ability to obtain a DoD Top Secret security clearance\. **Desired Skills:** * Excellent leadership ... Martin \(LM\) is looking for a dedicated Systems Integration Engineer to become a member of the Missile Subsystem...implement constructive change * Active Secret or Top Secret DoD security clearance\.… more
    Lockheed Martin (10/18/25)
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