• Senior Hardware Engineer , Level 3…

    Lockheed Martin (Aurora, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... that's built for you\. This role is a Hardware Engineer on the Double Eagle program\. The responsibilities of...while meeting competing deadlines * Must have an active TS / SCI clearance and CI poly **Desired Skills:**… more
    Lockheed Martin (01/17/26)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    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 ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...issues - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Experience… more
    Amazon (01/15/26)
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  • Software Engineer

    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: ... of operational issues **Qualifications:** _Required:_ * Java development using Spring * Active TS / SCI with Poly * 5 years of experience in software engineering… more
    CACI International (01/15/26)
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  • Mechanical Ground Support Equipment…

    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** ... the designs solutions that support the Organization\. As an Engineer , you will work with a diverse work force...EPDM\. \- Knowledge of LM Space command media\. \- TS / SCI **Security Clearance Statement:** This position requires… more
    Lockheed Martin (01/08/26)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... safer, more secure world. As a **Senior Platform DevOps Engineer ** , you will herald a transformative era in...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (11/29/25)
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  • Senior DevOps Engineer - Autonomous…

    Oracle (Broomfield, CO)
    …services. Career Level - IC3 **Responsibilities** **Qualifications:** + Possess and maintain TS / SCI w/Poly US government security clearance, Must be US Citizen. ... US CITIZENSHIP_** **_as this role will support Oracle's Government Customers_** **_TS/ SCI w/Poly Security Clearance Required_** Are you interested in the exciting… more
    Oracle (11/25/25)
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  • Senior Platform Engineer (OnSite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... a safer, more secure world. As a **Senior Platform Engineer ** , you will herald a transformative era in...C#, Go) + Experience with RedHat Linux + Current TS / SCI issued security clearance is required day… more
    RTX Corporation (01/14/26)
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  • Associate Technical Fellow - Software

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …solutions for product development. + Experience or certification in INCOSE standards. + Active Secret or Top Secret / SCI Security Clearance. **What you ... effectively integrate into program execution. + The ability to obtain and maintain a Top Secret Security Clearance is required. Learn more about the background… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Principal Software Engineer (Hybrid)

    RTX Corporation (Aurora, CO)
    …the processes and guidelines for Certifying & Accrediting (ICD 503/DITSCAP/DIACAP/DCID 6/3) information systems based upon experience on development programs. + ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current Position contingent upon contract award Collins Aerospace, an… more
    RTX Corporation (01/14/26)
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  • Principal/Sr. Principal RF Microwave Design…

    Northrop Grumman (Aurora, CO)
    …in Electrical Engineering or Physics with 4 years of relevant experience + Active TS / SCI Clearance at the time of application. + Aerospace industry experience, ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (11/20/25)
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