• Senior Systems Engineer (Onsite)

    RTX Corporation (Schriever AFB, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of everything we do ... Change (RFC) impact reviews and assessment experience. + **An active and transferable TS/SCI CI Poly US government issued security clearance is required prior to… more
    RTX Corporation (12/17/25)
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  • Full-stack Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …at time of application.** + Ability to pass a Counterintelligence Polygraph ( CI - Poly ) (not required to start) + Experience developing applications in ... Science, Software Engineering, or similar + Prior completed Counterintelligence Polygraph ( CI - Poly ) + Prior engineering or development experience within the… more
    Northrop Grumman (12/12/25)
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  • Principal Systems Engineer (MBSE) (Onsite))

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of everything we do ... environment (Government, Military, SETA, and Contractor). + **An active and transferable TS/SCI CI Poly US government issued security clearance is required prior… more
    RTX Corporation (12/03/25)
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  • Full-stack (Front-end focused) Software Engineer…

    Northrop Grumman (Aurora, CO)
    …clearance (not required to start) + Ability to pass a Counterintelligence Polygraph ( CI - Poly ) (not required to start) + Experience with Agile principles, ... clearance at the time of application + Prior completed Counterintelligence Polygraph ( CI - Poly ) + At least 1 year of experience developing front-end applications… more
    Northrop Grumman (11/15/25)
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  • Project Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of everything we do ... Atlassian tools emphasis on Confluence and Jira + **An active and transferable TS/SCI CI Poly US government issued security clearance is required prior to start… more
    RTX Corporation (11/13/25)
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  • Agile Product Owner Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …clearance at time of application** + Ability to pass a Counterintelligence Polygraph ( CI - Poly ) (not required to start) + Experience with Agile principles, ... Science, Software Engineering, or similar + Prior completed Counterintelligence Polygraph ( CI - Poly ) + Prior experience as a Product Owner and/or Scrum Master… more
    Northrop Grumman (10/29/25)
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  • Senior Full Stack Software Developer

    CACI International (Denver, CO)
    …fulltime in-person at CACI facilities in Sterling VA, Sarasota FL or Aurora, CO + Clearance: TS/SCI with CI poly (or be willing to take and pass a CI poly ... + Experience with agile methodologies and DevOps processes + Knowledge of Intelligence Community (IC) processes, policies and guidance + Knowledge of SIGINT Mission… more
    CACI International (10/17/25)
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  • Guidance, Navigation, & Control Engineer (Level…

    Lockheed Martin (Littleton, CO)
    …to consent to Polygraph Examination **Desired Skills:** * Active TS/SCI clearance with CI Poly \. * Experience with flight software development and autocode to ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/13/25)
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  • Guidance, Navigation & Control Engineer (Level II)

    Lockheed Martin (Highlands Ranch, CO)
    …focusing on control system design & analysis * Possess active TS/SCI clearance with CI Poly * Experience with flight software development and autocode to C\+\+ ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/13/25)
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  • Senior Satellite Systems Engineer - Clearance…

    Lockheed Martin (Aurora, CO)
    …while meeting competing deadlines * Must have an active TS/SCI clearance and CI poly **Desired Skills:** * Experience developing automated solutions on systems ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (11/23/25)
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