• Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... impactful results. Leidos is currently looking to add a Software Engineer (SWE-3) to a growing task....discipline from an accredited college or university. + **Clearance Required : Must have TS/SCI with Polygraph ** **Preferred… more
    Leidos (09/06/25)
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  • Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …Space Systems Sector would love to have you join our team as a Principal (level 3) Software Engineer or Sr. Principal (level 4) Software Engineer based ... a part of our mission. Are you a multi-talented engineer looking for your next opportunity? We support a...considered and must be willing to take a Counterintelligence Polygraph (CI-Poly).** + Strong knowledge of software more
    Northrop Grumman (08/31/25)
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  • Senior Software Infrastructure…

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon is seeking a highly skilled ** Software Infrastructure Engineer ** with **expertise in DevOps** tools to join our ... team. This role involves designing, implementing, and maintaining the software infrastructure required for the operation and...+ Active and transferable US government issued **TS/SCI with Polygraph ** security clearance is required prior to… more
    RTX Corporation (08/30/25)
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  • Principal Java Software Engineer

    RTX Corporation (Aurora, CO)
    …Ft. Meade, MD or Aurora, CO.** **What You Will Do** + The Principal Java Software Engineer will design, develop, and maintain advanced software applications ... Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ...a safer, more secure world. In the **Principal Java Software Engineering** role, you will design, develop, and test… more
    RTX Corporation (08/30/25)
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  • Software Engineer Staff

    Lockheed Martin (Littleton, CO)
    …and find a career that's built for you\. Space Protection Programs is seeking a skilled Software Engineer and Agile Leader who can guide a team through a complex ... mission application software development lifecycle\. Candidate must have the ability to...also desirable\. Occasional odd and/or extended hours may be required to meet program milestones\. In this role you… more
    Lockheed Martin (08/02/25)
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  • Junior Software Engineer - TS/SCI w/…

    Parsons Corporation (Denver, CO)
    …**Job Description:** Blue Ridge Envisioneering is seeking qualified candidates to fill a ** Software Engineer ** position at our Denver, CO location. Blue Ridge ... Envisioneering, a Parsons Company, is currently searching for full-time **Jr.** ** Software Engineer ** that participate in the design, development, and… more
    Parsons Corporation (09/24/25)
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  • Experienced Software Developer…

    CACI International (Aurora, CO)
    Experienced Software Developer / Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Percentage of Travel Required : Up to 10% Type of Travel: Local Anticipated...Anticipated Posting End: 9/25/2026 CACI is seeking an experienced Software Developer to join a multidisciplined team to work… more
    CACI International (09/25/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …tough, meaningful problems that create a safer, more secure world. As a Senior Software Engineer , you have the opportunity to directly impact the world around ... and maintain a US government issued security clearance is required .​ US citizenship is required , as only...eligible for a security clearance **Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything we do… more
    RTX Corporation (09/13/25)
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  • Software Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required , as ... US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (09/26/25)
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  • Software Test Engineer Staff

    Lockheed Martin (Littleton, CO)
    …new era in space and find a career that's built for you\. This Software Engineering position requires participation in the integration and test of complex mission ... application software within Space Protection Programs at Lockheed Martin\. Responsibilities...also desirable\. Occasional odd and/or extended hours may be required to meet program milestones\. In this role you… more
    Lockheed Martin (08/02/25)
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