• Principal Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is… more
    RTX Corporation (10/09/25)
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  • ADC Engineer II, Peet ADC

    Amazon (Denver, CO)
    …3+ years of networking experience. - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Preferred Qualifications - ... Periphery team is hiring an Amazon Dedicated Cloud (ADC) Engineer II to support development in ADC regions across...candidate selected must currently possess and maintain an active TS / SCI security clearance. The position further requires… more
    Amazon (10/22/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …are not only part of history, they're making history. Northrop Grumman Space Systems is seeking an **Principal** **Electr** **omechanical Engineer ** to join our ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...with a completed PhD-STEM + **Must have an Active/Final TS / SCI DoD security clearance at the time… more
    Northrop Grumman (09/20/25)
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  • Senior Reliability Engineer

    Lockheed Martin (Highlands Ranch, CO)
    …or fields outside of Systems Engineering * Active or Current Top Secret or higher security clearance **Security Clearance Statement:** This position ... Citizenship with the ability to acquire and maintain a Top Secret or higher security clearance **Desired...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/05/25)
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  • Digital Signal Processing Engineer Junior

    Parsons Corporation (Denver, CO)
    … TS / SCI w/polygraph is preferred **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA....in Electrical Engineering, Computer Engineering or related discipline + TS / SCI is required + Minimum of 2… more
    Parsons Corporation (11/18/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Littleton, CO)
    …equivalent experience\)\. * U\.S\. Citizenship with ability to obtain and maintain a Top Secret security clearance \( SCI eligibility required\)\. * Hands\-on ... As we enter a new era of Strategic Weapon Systems , Lockheed Martin is a pioneer, partner, innovator and...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/06/25)
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  • Cyber Software Test Engineer

    Lockheed Martin (Denver, CO)
    …Opportunity** **MUST BE AU\.S\. CITIZEN** - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 ... **Description:** You will be the **Cyber Test Exploitation Engineer ** for the research and development team, responsible...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information … more
    Lockheed Martin (10/10/25)
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  • Computer Vision Software Engineer , Senior…

    Lockheed Martin (Littleton, CO)
    …must be eligible to obtain, and maintain, Top Secret with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) for long term employment on this program ... mind, including the ultra‑low‑power, radiation‑hardened CPUs typical of space‑borne systems \. **About the Role** : We are seeking a...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/17/25)
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  • Principal Data Modeler and Database…

    RTX Corporation (Aurora, CO)
    …to perform database administration activities, deployment automation. + Active and transferable Top Secret US government issued security clearance is required ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation...Raytheon is hiring a **Principal Data Modeler and Database Engineer ** to support our teams in **Richardson TX** or… more
    RTX Corporation (10/13/25)
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  • Senior Reliability Engineer

    Lockheed Martin (Littleton, CO)
    …or fields outside of Systems Engineering * Active or Current Top Secret or higher clearance **Security Clearance Statement:** This position requires ... Citizenship with the ability to acquire and maintain a Top Secret or higher security clearance **Desired...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (10/24/25)
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