• Research Scientist - Early Career

    Lockheed Martin (Boulder, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... and another programming language * Ability to obtain a TS / SCI Clearance required for this role\. **Desired...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (01/08/26)
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  • Mechanical Ground Support Equipment Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... Y14\.5\. \- Working Knowledge of EPDM\. \- Knowledge of LM Space command media\. \- TS / SCI **Security Clearance Statement:** This position requires a government… more
    Lockheed Martin (01/08/26)
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  • Principle Solutions Architect

    CACI International (Denver, CO)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% ... growth through Bid & Proposal efforts, leading directly to top and bottom line results. + You will leverage...including technical, development, acquisition, contracts, program management. + A TS / SCI clearance is the minimum requirement to… more
    CACI International (01/08/26)
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  • Project Engineer, Logistics - Level 2

    Lockheed Martin (Aurora, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... required with the ability to obtain and Maintain a TS / SCI \. **Desired Skills:** \- MS Suite experience...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (01/08/26)
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  • Mission IT Operator

    CACI International (Denver, CO)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... with high customer visibility into all actions and responses. Qualifications: Required: - Active TS / SCI with Poly required. - Must have a current DODI 8570.01-M… more
    CACI International (01/08/26)
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  • Sr. Delivery Consultant - Cloud Infrastructure,…

    Amazon (Denver, CO)
    …requires that the candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the ... tools and methodologies - Current, active US Government Security Clearance of TS / SCI Preferred Qualifications - AWS experience preferred, with proficiency in… more
    Amazon (01/08/26)
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  • Senior Principal Engineer, Systems Engineering…

    RTX Corporation (Aurora, CO)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything we do is rooted ... issued security clearance is required prior to start date ( TS / SCI with current polygraph). US citizenship is...**Qualifications We Prefer** + Experience solving complex problems where information is limited or advanced research is required to… more
    RTX Corporation (01/07/26)
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  • Front End Software Engineer (Mid-Level)

    CACI International (Denver, CO)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... to a positive and upbeat team atmosphere. **Qualifications:** _Required:_ + An active TS / SCI clearance with Polygraph. + Bachelor's degree in Computer Science, a… more
    CACI International (01/07/26)
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  • Senior ProServe Account Executive, AWS WWPS…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities As an experienced ... or a related field - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Experience with high-level negotiation… more
    Amazon (01/07/26)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... 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 (01/06/26)
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