• Senior Systems Engineer (Onsite)

    RTX Corporation (Schriever AFB, 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 ... Change (RFC) impact reviews and assessment experience. + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior… more
    RTX Corporation (12/17/25)
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  • Electro-Optical Systems Engineer (Level IV)

    Lockheed Martin (Louisville, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... you\. Lockheed Martin Space is seeking an **Electro\-Optical Systems Engineer ** to join our team in **Louisville, CO** \!...Must have the ability to obtain & maintain a TS / SCI w/Poly security clearance **Desired Skills:** *… more
    Lockheed Martin (12/06/25)
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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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  • Cloud Enterprise Engineer , US National…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. About the team About AWS AWS values ... as a technical lead - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - 5+ years of technical engineering… more
    Amazon (11/20/25)
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  • Principal Software Engineer (Hybrid)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current Position contingent upon contract award Collins Aerospace, an ... sustainment for cloud-enabled systems that ingest, tag, and audit data sets, while maintaining security, integrity, and availability of...minimum 5 years of experience + Active and transferable TS / SCI US government issued security clearance is… 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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  • Electrical Engineer (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …with a Master's Degree; or 1 Year of experience with a PhD. + Active DoD TS / SCI Clearance with an investigation date within the last 6 years at the time ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description**...history. Northrop Grumman Space Systems is seeking an **Electrical Engineer (Level 2 or 3)** to join our team.… more
    Northrop Grumman (11/20/25)
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  • Machine Learning Engineer / Specialist

    DCCA (Littleton, CO)
    …our website at: www.dcca.com Machine Learning - All Levels Candidate must have an active TS / SCI to be considered For over 40 years, DCCA has provided a broad ... Python programming language . Involved with setting up the data pipeline, machine learning framework-from data discovery...or bachelors with 14+ years experience or equivalent . Engineer Consultant (CT11): Senior consultant to top more
    DCCA (11/21/25)
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  • Systems Software Integration

    Lockheed Martin (Littleton, CO)
    …CDR\) * Familiarity with the Systems Product Lifecycle * Active Top Secret security clearance with eligibility for SCI \- T5 investigation required **Desired ... Lockheed Martin seeks a highly motivated **Systems Software Integration Engineer ** to join the Global Security team in Denver,...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (01/10/26)
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