• Systems Engineer - Enterprise…

    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 ... with you\. Lockheed Martin seeks an innovative and talented Systems Engineer to join the Global Security...other technical discipline with significant related experience * Active TS / SCI security clearance **Desired Skills:** * Prior… more
    Lockheed Martin (09/10/25)
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  • Sr. Principal Software and Mathematics…

    Northrop Grumman (Boulder, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Defense Systems division within Northrop Grumman Space Systems is seeking a Senior Principal Software Engineer...must have a current active in-scope US Government DoD Top Secret security clearance at the time… more
    Northrop Grumman (08/20/25)
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  • Systems Engineer

    RTX Corporation (Aurora, CO)
    …create a safer, more secure world. We have an exciting opportunity for a ** Systems Engineer ** supporting one of our premier programs where your knowledge with ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation...Do** + Provide technical analyses and define how the system works using Model-Based Systems Engineering +… more
    RTX Corporation (09/26/25)
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  • Java Software Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret At Raytheon, the foundation of everything we do is ... deliver, and maintain software for a cutting-edge satellite ground system . + Work with talented teams of engineers, architects,...ability to obtain and maintain a US government issued TS / SCI security clearance is required. US citizenship… more
    RTX Corporation (09/11/25)
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  • Engineer II SIGINT Mission Systems

    BAE Systems (Boulder, CO)
    …suite. + Your systems analysis results will guide and/or set architecture, system and/or component requirements. + You will be expected to develop new tools and ... Education, US Department of Education. + A current, active TS / SCI security clearance is required. + Experience...STK and/or AFSIM beneficial. + Experience with Model Based Systems Engineering. **Pay Information ** Full-Time Salary Range:… more
    BAE Systems (09/09/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Colorado Springs, CO)
    …that create a safer, more secure world. Raytheon is seeking a Principal Systems Engineer , providing enterprise-wide systems engineering and integration ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At...CO (Denver area) **What You Will Do** + Provides systems engineering and integration support to assess, plan, coordinate,… more
    RTX Corporation (09/26/25)
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  • Satellite Systems Engineer

    CACI International (Aurora, CO)
    Satellite Systems Engineer Job Category: Intelligence Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... End: 1/1/2099 **The Opportunity:** Join CACI as a Satellite Systems Engineer and work in a high-speed...and performance analysis and optimization **Qualifications:** _Required:_ + Active TS / SCI with Polygraph ] + Strong communication… more
    CACI International (09/03/25)
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  • Sr. Infrastructure Engineer

    CACI International (Denver, CO)
    …best practices to continuously improve infrastructure capabilities. **Qualifications:** _Required:_ + Top Secret Clearance required with SCI eligibility ... Sr. Infrastructure Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (09/17/25)
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  • Systems Engineer - IT

    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 ... environment that values integrity and excellence\. **THE WORK:** The Systems Engineer contributes to program scope working...**Basic Qualifications:** \- Must have the ability to obtain TS / SCI Clearance to be considered for this… more
    Lockheed Martin (09/24/25)
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  • Mission Systems Engineer

    General Atomics (Englewood, CO)
    …space system development and operations. **DUTIES AND RESPONSIBILITIES:** Mission Systems Engineer responsible for: + Lead HWIL development across programs ... systems team is looking for a Mission Systems Engineer to oversee the design, implementation,... clearance and be able to obtain and maintain TS / SCI security clearance. **Salary:** $116,480 - $208,505… more
    General Atomics (08/20/25)
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